<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/A2015RestructuringPlans" xlink:href="livn-20151231.xsd#A2015RestructuringPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/A2015RestructuringPlansDetails" xlink:href="livn-20151231.xsd#A2015RestructuringPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/A2015RestructuringPlansTables" xlink:href="livn-20151231.xsd#A2015RestructuringPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebt" xlink:href="livn-20151231.xsd#AccountsReceivableAndAllowanceForBadDebt" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:href="livn-20151231.xsd#AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtTables" xlink:href="livn-20151231.xsd#AccountsReceivableAndAllowanceForBadDebtTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilities" xlink:href="livn-20151231.xsd#AccruedLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:href="livn-20151231.xsd#AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesTables" xlink:href="livn-20151231.xsd#AccruedLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:href="livn-20151231.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:href="livn-20151231.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:href="livn-20151231.xsd#BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinations" xlink:href="livn-20151231.xsd#BusinessCombinations" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsConsiderationTransferredDetails" xlink:href="livn-20151231.xsd#BusinessCombinationsConsiderationTransferredDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsNarrativeDetails" xlink:href="livn-20151231.xsd#BusinessCombinationsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsProFormaInformationDetails" xlink:href="livn-20151231.xsd#BusinessCombinationsProFormaInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/BusinessCombinationsTables" xlink:href="livn-20151231.xsd#BusinessCombinationsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingencies" xlink:href="livn-20151231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:href="livn-20151231.xsd#CommitmentsAndContingenciesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesScheduleOfFutureMinimumLeasePaymentsDetails" xlink:href="livn-20151231.xsd#CommitmentsAndContingenciesScheduleOfFutureMinimumLeasePaymentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesTables" xlink:href="livn-20151231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheets" xlink:href="livn-20151231.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="livn-20151231.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="livn-20151231.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:href="livn-20151231.xsd#ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:href="livn-20151231.xsd#ConsolidatedStatementsOfIncomeLoss" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:href="livn-20151231.xsd#ConsolidatedStatementsOfStockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagement" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagement" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementTables" xlink:href="livn-20151231.xsd#DerivativesAndForeignCurrencyRiskManagementTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/DocumentAndEntityInformation" xlink:href="livn-20151231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlans" xlink:href="livn-20151231.xsd#EmployeeRetirementPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansAccumulatedBenefitObligationsInExcessOfPlanAssetsDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansAccumulatedBenefitObligationsInExcessOfPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansAssumptionsUsedDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansAssumptionsUsedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansChangeInBenefitObligationsAndFundedStatusDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansChangeInBenefitObligationsAndFundedStatusDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansExpectedBenefitPaymentsdetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansExpectedBenefitPaymentsdetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNarrativeDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTables" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTargetAssetAllocationDetails" xlink:href="livn-20151231.xsd#EmployeeRetirementPlansTargetAssetAllocationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurements" xlink:href="livn-20151231.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:href="livn-20151231.xsd#FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsNarrativeDetails" xlink:href="livn-20151231.xsd#FairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FairValueMeasurementsTables" xlink:href="livn-20151231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangements" xlink:href="livn-20151231.xsd#FinancingArrangements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsDebtMaturityScheduleDetails" xlink:href="livn-20151231.xsd#FinancingArrangementsDebtMaturityScheduleDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsLongTermDebtOutstandingDetails" xlink:href="livn-20151231.xsd#FinancingArrangementsLongTermDebtOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsNarrativeDetails" xlink:href="livn-20151231.xsd#FinancingArrangementsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsShortTermDebtOutstandingDetails" xlink:href="livn-20151231.xsd#FinancingArrangementsShortTermDebtOutstandingDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/FinancingArrangementsTables" xlink:href="livn-20151231.xsd#FinancingArrangementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformation" xlink:href="livn-20151231.xsd#GeographicAndSegmentInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationGeographicAreasDetails" xlink:href="livn-20151231.xsd#GeographicAndSegmentInformationGeographicAreasDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationSegmentInfoDetails" xlink:href="livn-20151231.xsd#GeographicAndSegmentInformationSegmentInfoDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationTables" xlink:href="livn-20151231.xsd#GeographicAndSegmentInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssets" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="livn-20151231.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShare" xlink:href="livn-20151231.xsd#IncomePerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:href="livn-20151231.xsd#IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:href="livn-20151231.xsd#IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomePerShareTables" xlink:href="livn-20151231.xsd#IncomePerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxes" xlink:href="livn-20151231.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesComponentsAndProvisionForIncomeTaxesDetails" xlink:href="livn-20151231.xsd#IncomeTaxesComponentsAndProvisionForIncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" xlink:href="livn-20151231.xsd#IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesNarrativeDetails" xlink:href="livn-20151231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesOperatingLossCarryforwardsDetails" xlink:href="livn-20151231.xsd#IncomeTaxesOperatingLossCarryforwardsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:href="livn-20151231.xsd#IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesSignificantComponentsOfDeferredTaxAssetsDetails" xlink:href="livn-20151231.xsd#IncomeTaxesSignificantComponentsOfDeferredTaxAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/IncomeTaxesTables" xlink:href="livn-20151231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/Inventories" xlink:href="livn-20151231.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InventoriesScheduleOfInventoryComponentsDetails" xlink:href="livn-20151231.xsd#InventoriesScheduleOfInventoryComponentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InventoriesTables" xlink:href="livn-20151231.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/Investments" xlink:href="livn-20151231.xsd#Investments" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:href="livn-20151231.xsd#InvestmentsEquityMethodInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsNarrativeDetails" xlink:href="livn-20151231.xsd#InvestmentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:href="livn-20151231.xsd#InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:href="livn-20151231.xsd#InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/InvestmentsTables" xlink:href="livn-20151231.xsd#InvestmentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/NatureOfOperations" xlink:href="livn-20151231.xsd#NatureOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/NewAccountingPronouncements" xlink:href="livn-20151231.xsd#NewAccountingPronouncements" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilities" xlink:href="livn-20151231.xsd#OtherLongTermLiabilities" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesDetails" xlink:href="livn-20151231.xsd#OtherLongTermLiabilitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesTables" xlink:href="livn-20151231.xsd#OtherLongTermLiabilitiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipment" xlink:href="livn-20151231.xsd#PropertyPlantAndEquipment" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:href="livn-20151231.xsd#PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentTables" xlink:href="livn-20151231.xsd#PropertyPlantAndEquipmentTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnaudited" xlink:href="livn-20151231.xsd#QuarterlyFinancialInformationUnaudited" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:href="livn-20151231.xsd#QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnauditedTables" xlink:href="livn-20151231.xsd#QuarterlyFinancialInformationUnauditedTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlans" xlink:href="livn-20151231.xsd#StockBasedIncentivePlans" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansNarrativeDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfPerformanceBasedRestrictedStockAndRestrictedStockUnitsRollforwardDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansScheduleOfPerformanceBasedRestrictedStockAndRestrictedStockUnitsRollforwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfRestrictedStockServiceBasedRollforwardDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansScheduleOfRestrictedStockServiceBasedRollforwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfShareBasedCompensationStockOptionsRollforwardDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansScheduleOfShareBasedCompensationStockOptionsRollforwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfShareOptionValuationAssumptionsDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansScheduleOfShareOptionValuationAssumptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfStockBasedCompensationCostUnrecognizedDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansScheduleOfStockBasedCompensationCostUnrecognizedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfPerformanceBasedRestrictedStockAndRestrictedStockUnitActivityDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansSummaryOfPerformanceBasedRestrictedStockAndRestrictedStockUnitActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfRestrictedStockServiceBasedActivityDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansSummaryOfRestrictedStockServiceBasedActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfShareBasedCompensationStockOptionActivityDetails" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansSummaryOfShareBasedCompensationStockOptionActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansTables" xlink:href="livn-20151231.xsd#StockBasedIncentivePlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquity" xlink:href="livn-20151231.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityComprehensiveIncomeDetails" xlink:href="livn-20151231.xsd#StockholdersEquityComprehensiveIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityNarrativeDetails" xlink:href="livn-20151231.xsd#StockholdersEquityNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/StockholdersEquityTables" xlink:href="livn-20151231.xsd#StockholdersEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformation" xlink:href="livn-20151231.xsd#TransitionPeriodFinancialInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformationDetails" xlink:href="livn-20151231.xsd#TransitionPeriodFinancialInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformationTables" xlink:href="livn-20151231.xsd#TransitionPeriodFinancialInformationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/Warranties" xlink:href="livn-20151231.xsd#Warranties" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/WarrantiesDetails" xlink:href="livn-20151231.xsd#WarrantiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.livanova.cyberonics.com/role/WarrantiesTables" xlink:href="livn-20151231.xsd#WarrantiesTables" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/A2015RestructuringPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/A2015RestructuringPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_8B69670132C887CA85573D5BF11E90EB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_B25F316EA641112267243D5BF11DA6CC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_8B69670132C887CA85573D5BF11E90EB" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_B25F316EA641112267243D5BF11DA6CC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_EBA2D3060EA3517567B83D939507F157" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_B25F316EA641112267243D5BF11DA6CC" xlink:to="loc_us-gaap_RestructuringPlanAxis_EBA2D3060EA3517567B83D939507F157" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_117E3C9FBAA8096130A13D9395096B05_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_EBA2D3060EA3517567B83D939507F157" xlink:to="loc_us-gaap_RestructuringPlanDomain_117E3C9FBAA8096130A13D9395096B05_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_117E3C9FBAA8096130A13D9395096B05" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_EBA2D3060EA3517567B83D939507F157" xlink:to="loc_us-gaap_RestructuringPlanDomain_117E3C9FBAA8096130A13D9395096B05" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TwoThousandFifteenRestructuringPlansMember" xlink:label="loc_livn_TwoThousandFifteenRestructuringPlansMember_69010E444026EB259B6F3D949ADCF4E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_117E3C9FBAA8096130A13D9395096B05" xlink:to="loc_livn_TwoThousandFifteenRestructuringPlansMember_69010E444026EB259B6F3D949ADCF4E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_28CCF530A1E2D3245F293D5BF11DA5E5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_B25F316EA641112267243D5BF11DA6CC" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_28CCF530A1E2D3245F293D5BF11DA5E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_28CCF530A1E2D3245F293D5BF11DA5E5" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_28CCF530A1E2D3245F293D5BF11DA5E5" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_79711B7DF24687FBE46E3D5BF11DD898" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB" xlink:to="loc_us-gaap_EmployeeSeveranceMember_79711B7DF24687FBE46E3D5BF11DD898" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContractTerminationMember" xlink:label="loc_us-gaap_ContractTerminationMember_4A1A0836257BE7941CEA3D5BF11E96CD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB" xlink:to="loc_us-gaap_ContractTerminationMember_4A1A0836257BE7941CEA3D5BF11E96CD" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_FixedAssetandOtherChargesMember" xlink:label="loc_livn_FixedAssetandOtherChargesMember_7104F321B596FE120E733D5BF11E90D6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_F8E4EE212E238EFB5D923D5BF11D09FB" xlink:to="loc_livn_FixedAssetandOtherChargesMember_7104F321B596FE120E733D5BF11E90D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_1AE9A9B72F2F5BBC570A3D5BF11E586E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_8B69670132C887CA85573D5BF11E90EB" xlink:to="loc_us-gaap_RestructuringReserveRollForward_1AE9A9B72F2F5BBC570A3D5BF11E586E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_95B714DB7A4956FB98AD3D5BF11E0D4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_1AE9A9B72F2F5BBC570A3D5BF11E586E" xlink:to="loc_us-gaap_RestructuringReserve_95B714DB7A4956FB98AD3D5BF11E0D4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_BFD83C032674415E59103D5BF11E93CB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_1AE9A9B72F2F5BBC570A3D5BF11E586E" xlink:to="loc_us-gaap_RestructuringCharges_BFD83C032674415E59103D5BF11E93CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_48DBAC7119E60D7B8F9D3D5BF11ED4CD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_1AE9A9B72F2F5BBC570A3D5BF11E586E" xlink:to="loc_us-gaap_PaymentsForRestructuring_48DBAC7119E60D7B8F9D3D5BF11ED4CD" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/A2015RestructuringPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebt" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtSummaryOfAccountsReceivableDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_574C610E98DD07BC37B03484FA9787CC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_4FC365001465959EBE0B3484FA860DF9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_574C610E98DD07BC37B03484FA9787CC" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_4FC365001465959EBE0B3484FA860DF9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_065CE5A2D34DBB598C13348527A133C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_4FC365001465959EBE0B3484FA860DF9" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_065CE5A2D34DBB598C13348527A133C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E8822989B34C9DFC1B10348527A1235D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_065CE5A2D34DBB598C13348527A133C7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E8822989B34C9DFC1B10348527A1235D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E8822989B34C9DFC1B10348527A1235D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_065CE5A2D34DBB598C13348527A133C7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E8822989B34C9DFC1B10348527A1235D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_66991C1DC26728D4B37B34855BFD9670" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E8822989B34C9DFC1B10348527A1235D" xlink:to="loc_livn_MergerAgreementMember_66991C1DC26728D4B37B34855BFD9670" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_FFE869C7F0EB15ED94A8348736573133" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_574C610E98DD07BC37B03484FA9787CC" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_FFE869C7F0EB15ED94A8348736573133" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccountsReceivableAndAllowanceForBadDebtTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilities" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesSummaryOfAccruedLiabilitiesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/AccruedLiabilitiesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7532F0A72528C7E527D64033D8899C3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7532F0A72528C7E527D64033D8899C3F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_A39F943A3914273884954033D88ABC62" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7532F0A72528C7E527D64033D8899C3F" xlink:to="loc_us-gaap_AwardTypeAxis_A39F943A3914273884954033D88ABC62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_A39F943A3914273884954033D88ABC62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_A39F943A3914273884954033D88ABC62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_F8B7B9A66C08949712A74033D88AC306" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191" xlink:to="loc_us-gaap_EmployeeStockOptionMember_F8B7B9A66C08949712A74033D88AC306" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RestrictedStockandRestrictedStockUnitsMember" xlink:label="loc_livn_RestrictedStockandRestrictedStockUnitsMember_9427D346A452A3A553E84033D88A1C9D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_39D275B95E04F15C9BFC4033D88A5191" xlink:to="loc_livn_RestrictedStockandRestrictedStockUnitsMember_9427D346A452A3A553E84033D88A1C9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_7A3E480C79773B57735A4033D88AD891" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7532F0A72528C7E527D64033D8899C3F" xlink:to="loc_us-gaap_VestingAxis_7A3E480C79773B57735A4033D88AD891" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_6CBB2E10D19F8C651B8C4033D88A55FE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_7A3E480C79773B57735A4033D88AD891" xlink:to="loc_us-gaap_VestingDomain_6CBB2E10D19F8C651B8C4033D88A55FE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_6CBB2E10D19F8C651B8C4033D88A55FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_7A3E480C79773B57735A4033D88AD891" xlink:to="loc_us-gaap_VestingDomain_6CBB2E10D19F8C651B8C4033D88A55FE" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CliffVestingScheduleMember" xlink:label="loc_livn_CliffVestingScheduleMember_AC92D767E8ABA184E7D34033D88A5B3B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_6CBB2E10D19F8C651B8C4033D88A55FE" xlink:to="loc_livn_CliffVestingScheduleMember_AC92D767E8ABA184E7D34033D88A5B3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_4B32A23A28F8096983E64033D88A4698" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_7532F0A72528C7E527D64033D8899C3F" xlink:to="loc_us-gaap_RangeAxis_4B32A23A28F8096983E64033D88A4698" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_4B32A23A28F8096983E64033D88A4698" xlink:to="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_4B32A23A28F8096983E64033D88A4698" xlink:to="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_63DE543D152349F12FBC4033D88BFA5D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF" xlink:to="loc_us-gaap_MinimumMember_63DE543D152349F12FBC4033D88BFA5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F27FE1BDEFE42FAEA32F4033D88BBF6F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_B70D4240D3390862A3854033D88A42EF" xlink:to="loc_us-gaap_MaximumMember_F27FE1BDEFE42FAEA32F4033D88BBF6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="loc_us-gaap_PrepaidTaxes_E7F3B5FECB8346923A844033D88B0925" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_PrepaidTaxes_E7F3B5FECB8346923A844033D88B0925" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaap_TaxesPayableCurrent_A7AAED9516E81AB31CE74033D88B6336" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_TaxesPayableCurrent_A7AAED9516E81AB31CE74033D88B6336" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MedicalDeviceExciseTaxPercentage" xlink:label="loc_livn_MedicalDeviceExciseTaxPercentage_DE8C09ABD929522ED67C4033D88B32D5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_livn_MedicalDeviceExciseTaxPercentage_DE8C09ABD929522ED67C4033D88B32D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsAtCarryingValue" xlink:label="loc_us-gaap_MoneyMarketFundsAtCarryingValue_30C3F238E7B4582E88CF4033D88B0D7A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_MoneyMarketFundsAtCarryingValue_30C3F238E7B4582E88CF4033D88B0D7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_65136D50C8EE22AA970D4033D88BF51E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_65136D50C8EE22AA970D4033D88BF51E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_413C25489900E99BB6914033D88B6FBC" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_413C25489900E99BB6914033D88B6FBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_95C9F4E1F6B06458FAFF4033D88BAA51" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_NumberOfOperatingSegments_95C9F4E1F6B06458FAFF4033D88BAA51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_13D992C0FED1FCAB15144033D88B2BB5" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_13D992C0FED1FCAB15144033D88B2BB5" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_DeferredCompensationLiabilityNoncurrentandPensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_livn_DeferredCompensationLiabilityNoncurrentandPensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_0BE4ABC8382E6C114B1C4033D88B2AEF" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_livn_DeferredCompensationLiabilityNoncurrentandPensionandOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_0BE4ABC8382E6C114B1C4033D88B2AEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_359379574C4A8A24C7674033D88CF898" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_359379574C4A8A24C7674033D88CF898" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_DBE5E7658308364DD0E94033D88C49C1" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_AdjustmentForAmortization_DBE5E7658308364DD0E94033D88C49C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_CF8B18FA9BBDED350F524033D88C6CAE" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6F8F55073DDA438BEAAD4033D88B93AF" xlink:to="loc_us-gaap_Depreciation_CF8B18FA9BBDED350F524033D88C6CAE" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BasisOfPresentationUseOfAccountingEstimatesAndSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsConsiderationTransferredDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3FF4F369F8EAD19DACF83C9F57DFAE7D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3FF4F369F8EAD19DACF83C9F57DFAE7D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_B255BB02977C8B0BCD3A3C9F57DF8BA3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3FF4F369F8EAD19DACF83C9F57DFAE7D" xlink:to="loc_dei_LegalEntityAxis_B255BB02977C8B0BCD3A3C9F57DF8BA3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_C4EDC669E961F6506ADB3C9F57DFAE0C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_B255BB02977C8B0BCD3A3C9F57DF8BA3" xlink:to="loc_dei_EntityDomain_C4EDC669E961F6506ADB3C9F57DFAE0C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_C4EDC669E961F6506ADB3C9F57DFAE0C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_B255BB02977C8B0BCD3A3C9F57DF8BA3" xlink:to="loc_dei_EntityDomain_C4EDC669E961F6506ADB3C9F57DFAE0C" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_A12081012E5437AC67753C9F57DF7238" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_C4EDC669E961F6506ADB3C9F57DFAE0C" xlink:to="loc_livn_SorinS.p.A.Member_A12081012E5437AC67753C9F57DF7238" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_85378047342B621128EE3C9F57DF196F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3FF4F369F8EAD19DACF83C9F57DFAE7D" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_85378047342B621128EE3C9F57DF196F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0BFAFFD230504630B84B3C9F57DF6588_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_85378047342B621128EE3C9F57DF196F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0BFAFFD230504630B84B3C9F57DF6588_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0BFAFFD230504630B84B3C9F57DF6588" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_85378047342B621128EE3C9F57DF196F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0BFAFFD230504630B84B3C9F57DF6588" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_EC8AC7061AD2AA646ADC3C9F57DF3CF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0BFAFFD230504630B84B3C9F57DF6588" xlink:to="loc_livn_MergerAgreementMember_EC8AC7061AD2AA646ADC3C9F57DF3CF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_3B9A32E6D2FA6951D8E93C9F57E00F2F" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3FF4F369F8EAD19DACF83C9F57DFAE7D" xlink:to="loc_us-gaap_CounterpartyNameAxis_3B9A32E6D2FA6951D8E93C9F57E00F2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CounterpartyNameAxis_3B9A32E6D2FA6951D8E93C9F57E00F2F" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CounterpartyNameAxis_3B9A32E6D2FA6951D8E93C9F57E00F2F" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.ShareholdersMember" xlink:label="loc_livn_SorinS.p.A.ShareholdersMember_1419879580E17E2BC5283C9F57E0837C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9" xlink:to="loc_livn_SorinS.p.A.ShareholdersMember_1419879580E17E2BC5283C9F57E0837C" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.ShareAwardHoldersMember" xlink:label="loc_livn_SorinS.p.A.ShareAwardHoldersMember_0F06BBA75B4413C97F463C9F57E02EDA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9" xlink:to="loc_livn_SorinS.p.A.ShareAwardHoldersMember_0F06BBA75B4413C97F463C9F57E02EDA" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.StockAppreciationRightsHoldersMember" xlink:label="loc_livn_SorinS.p.A.StockAppreciationRightsHoldersMember_D2DD6CED2363B4EEC71F3C9F57E06A57" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_2C5CFFDCB73EDD00E47F3C9F57E0BFE9" xlink:to="loc_livn_SorinS.p.A.StockAppreciationRightsHoldersMember_D2DD6CED2363B4EEC71F3C9F57E06A57" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_CD0B26F51CB053962A123C9F57E06FFD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_CD0B26F51CB053962A123C9F57E06FFD" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio" xlink:label="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_05E0EE1478B77E7107D43C9F57E0F582" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_05E0EE1478B77E7107D43C9F57E0F582" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OrdinarySharesSharesIssued" xlink:label="loc_livn_OrdinarySharesSharesIssued_4C59BC4090544D3C05983C9F57E0B052" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_livn_OrdinarySharesSharesIssued_4C59BC4090544D3C05983C9F57E0B052" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_E4912610A971C8A656CC3C9F57E121BB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_E4912610A971C8A656CC3C9F57E121BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_90C60A55547C7A30C6573C9F57E14035" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_90C60A55547C7A30C6573C9F57E14035" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_C6B71E885638ACD2976B3C9F57E1501F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_C6B71E885638ACD2976B3C9F57E1501F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_4F44580F8347B9420F263C9F57E1D548" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_4F44580F8347B9420F263C9F57E1D548" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_D5A53F84006B993B7E113C9F57E1F809" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_D5A53F84006B993B7E113C9F57E1F809" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_4F34206F78A6D69489933C9F57E19512" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_4F34206F78A6D69489933C9F57E19512" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_F40711D1406856F721A33C9F57E19C40" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_F40711D1406856F721A33C9F57E19C40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_494A5841698E063B54503C9F57E1651A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_494A5841698E063B54503C9F57E1651A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments" xlink:label="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments_2EAC7A9D6476A9C342533C9F57E13AED" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedEquityInvestments_2EAC7A9D6476A9C342533C9F57E13AED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_F2C7E10AF28D0124145B3C9F57E20A7D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_F2C7E10AF28D0124145B3C9F57E20A7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent_AE04CABB22C671B8F9853C9F57E20484" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent_AE04CABB22C671B8F9853C9F57E20484" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_D39F8C4A7D29E16B3CB23C9F57E2C6B1" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_320B1B988D0EE44E6A863C9F57E1E093" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_D39F8C4A7D29E16B3CB23C9F57E2C6B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_CF19085B31B433FEE5783C9F57E2A0FF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_CF19085B31B433FEE5783C9F57E2A0FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2E150C5D21EBFC952BC53C9F57E22029" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_2E150C5D21EBFC952BC53C9F57E22029" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_42C70FF3D273E29D0F1D3C9F57E2B877" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_42C70FF3D273E29D0F1D3C9F57E2B877" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_C48572E639BFD3C397463C9F57E24604" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_C48572E639BFD3C397463C9F57E24604" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_14615663A0C69F33287E3C9F57E2DA82" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_14615663A0C69F33287E3C9F57E2DA82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_488B29DB06C578C739073C9F57E2963A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_488B29DB06C578C739073C9F57E2963A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_34C90747470BBA96BE3F3C9F57E37CC9" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_37B662F17B7B9E244ACF3C9F57E2F2D1" xlink:to="loc_us-gaap_Goodwill_34C90747470BBA96BE3F3C9F57E37CC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_32251603A90A87AC0AD03C9F57E31988" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4823D0C271BB2D76AE1F3C9F57E031D6" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_32251603A90A87AC0AD03C9F57E31988" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_4DAE55F2056DEBCB01B83DCE7FFAFA5D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_4DAE55F2056DEBCB01B83DCE7FFAFA5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_27918BFDD5C6BF10EA1D3DCE7FFA4565_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4DAE55F2056DEBCB01B83DCE7FFAFA5D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_27918BFDD5C6BF10EA1D3DCE7FFA4565_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_27918BFDD5C6BF10EA1D3DCE7FFA4565" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_4DAE55F2056DEBCB01B83DCE7FFAFA5D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_27918BFDD5C6BF10EA1D3DCE7FFA4565" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_A1FF4A07F26021F603843DCE7FFA5307" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_27918BFDD5C6BF10EA1D3DCE7FFA4565" xlink:to="loc_livn_MergerAgreementMember_A1FF4A07F26021F603843DCE7FFA5307" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_46788976177A7935739D3DCE7FFA29D6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_dei_LegalEntityAxis_46788976177A7935739D3DCE7FFA29D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_46788976177A7935739D3DCE7FFA29D6" xlink:to="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_46788976177A7935739D3DCE7FFA29D6" xlink:to="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LivaNovaPLCMember" xlink:label="loc_livn_LivaNovaPLCMember_D00C37ACC9C25CE6E36C3DCE7FFAD3B2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210" xlink:to="loc_livn_LivaNovaPLCMember_D00C37ACC9C25CE6E36C3DCE7FFAD3B2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_EE4955DA1BE61862A5D03DCE7FFA5D41" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_3DD68B3368E1C9D27F363DCE7FFA4210" xlink:to="loc_livn_SorinS.p.A.Member_EE4955DA1BE61862A5D03DCE7FFA5D41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_71365C659FF10DE4E8233DCE7FFA3BC3" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_AwardTypeAxis_71365C659FF10DE4E8233DCE7FFA3BC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_71365C659FF10DE4E8233DCE7FFA3BC3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_71365C659FF10DE4E8233DCE7FFA3BC3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ShareAwardMember" xlink:label="loc_livn_ShareAwardMember_03CD98FC73EDC0DB1FDB3DCE7FFB01C9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3" xlink:to="loc_livn_ShareAwardMember_03CD98FC73EDC0DB1FDB3DCE7FFB01C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember_BF719DDB41BAC9173EB23DCE7FFB4E6B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93F0DCA2EEE26A77E68A3DCE7FFBB0A3" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember_BF719DDB41BAC9173EB23DCE7FFB4E6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_047069746B971976E8D63DCE7FFBC41C" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_047069746B971976E8D63DCE7FFBC41C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_D418833E65E2BA71C5223DCE7FFB24CF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_047069746B971976E8D63DCE7FFBC41C" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_D418833E65E2BA71C5223DCE7FFB24CF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_D418833E65E2BA71C5223DCE7FFB24CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_047069746B971976E8D63DCE7FFBC41C" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_D418833E65E2BA71C5223DCE7FFB24CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_33D5359B4FB482D918303DCE7FFB95FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_D418833E65E2BA71C5223DCE7FFB24CF" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_33D5359B4FB482D918303DCE7FFB95FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_E2496D34129B13A79BC53DCE7FFB6E1A" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_E2496D34129B13A79BC53DCE7FFB6E1A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_E2496D34129B13A79BC53DCE7FFB6E1A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_E2496D34129B13A79BC53DCE7FFB6E1A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelatedIntangibleAssetsMember" xlink:label="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_7049C1EF1CFC68296B8E3DCE8001E999" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:to="loc_us-gaap_CustomerRelatedIntangibleAssetsMember_7049C1EF1CFC68296B8E3DCE8001E999" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_8EF556C26E11454E0A8D3DCE80013663" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_8EF556C26E11454E0A8D3DCE80013663" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_514B00F0C8CDE05A1ADA3DCE80018F8B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:to="loc_us-gaap_TradeNamesMember_514B00F0C8CDE05A1ADA3DCE80018F8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember_266FCE5AA80F582E04613DCE80011CE6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_A325FDE453F323B1B3AA3DCE80003253" xlink:to="loc_us-gaap_LeasesAcquiredInPlaceMarketAdjustmentMember_266FCE5AA80F582E04613DCE80011CE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:label="loc_us-gaap_ContingentConsiderationByTypeAxis_24AC2941908A83BAF01C3DCE8001BD5B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_ContingentConsiderationByTypeAxis_24AC2941908A83BAF01C3DCE8001BD5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:label="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContingentConsiderationByTypeAxis_24AC2941908A83BAF01C3DCE8001BD5B" xlink:to="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:label="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContingentConsiderationByTypeAxis_24AC2941908A83BAF01C3DCE8001BD5B" xlink:to="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_UncertainTaxPositionsMember" xlink:label="loc_livn_UncertainTaxPositionsMember_959BE4EAFEA1B98A4AEF3DCE8001D878" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6" xlink:to="loc_livn_UncertainTaxPositionsMember_959BE4EAFEA1B98A4AEF3DCE8001D878" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ContingentPaymentsMember" xlink:label="loc_livn_ContingentPaymentsMember_B605A248DBEDE8379BFE3DCE800117AA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContingentConsiderationTypeDomain_5FEF918D6D63466278FA3DCE8001AAC6" xlink:to="loc_livn_ContingentPaymentsMember_B605A248DBEDE8379BFE3DCE800117AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_FDAB971EBD3D0B1ED1503DFF1221B467" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_FB5CAB5292159B46E81A3DCE7FFAD8F5" xlink:to="loc_us-gaap_StatementScenarioAxis_FDAB971EBD3D0B1ED1503DFF1221B467" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D646195E3D896F416FBA3DFF12223019_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_FDAB971EBD3D0B1ED1503DFF1221B467" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D646195E3D896F416FBA3DFF12223019_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D646195E3D896F416FBA3DFF12223019" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_FDAB971EBD3D0B1ED1503DFF1221B467" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D646195E3D896F416FBA3DFF12223019" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_C799B4ED9D1E7BEBE1623DFF4E830436" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_D646195E3D896F416FBA3DFF12223019" xlink:to="loc_us-gaap_ProFormaMember_C799B4ED9D1E7BEBE1623DFF4E830436" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_E9C6D2D97880434238973DCE8002A972" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_E9C6D2D97880434238973DCE8002A972" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio" xlink:label="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_FB3846997EF99BBC29653DCE800274DE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_livn_BusinessCombinationsSharesofCounterpartyToBeReceivedConversionRatio_FB3846997EF99BBC29653DCE800274DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_AFFA3816A81B48ED10E43DCE8002DCE5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_AFFA3816A81B48ED10E43DCE8002DCE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0C7C77B1D66633D8E3BE3DCE8002C23F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0C7C77B1D66633D8E3BE3DCE8002C23F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_226036DD929E9A7102373DCE80025B6C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_226036DD929E9A7102373DCE80025B6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_1E42AF0FECB46A31E9F83DCE80025600" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_1E42AF0FECB46A31E9F83DCE80025600" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AB04C6A6F1B45FAE4F2E3DCE80026948" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_AB04C6A6F1B45FAE4F2E3DCE80026948" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_93AB483024C2F8AE6EE33DCE800240DD" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_93AB483024C2F8AE6EE33DCE800240DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6A8580F6A7BA28F55C093DCE80024623" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6A8580F6A7BA28F55C093DCE80024623" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FE957E97827A5FBA366E3DCE8003C72D" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FE957E97827A5FBA366E3DCE8003C72D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_8DF92814C7302AD379B93DCE8003E614" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiability_8DF92814C7302AD379B93DCE8003E614" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfBusinessesAcquired" xlink:label="loc_us-gaap_NumberOfBusinessesAcquired_B153B9C8185980A30A933DCE80036698" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_NumberOfBusinessesAcquired_B153B9C8185980A30A933DCE80036698" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:label="loc_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_3699D351F944315012BD3DCE800398A0" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_3699D351F944315012BD3DCE800398A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:label="loc_us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_3326FA67895B5105928C3DCE80034588" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_3326FA67895B5105928C3DCE80034588" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_4F5BE9898432161C9C2B3DCE8003D146" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_4F5BE9898432161C9C2B3DCE8003D146" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_DC5D1307FD7CB961B01E3DCE80033A6B" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_DC5D1307FD7CB961B01E3DCE80033A6B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_29FEE78D40DA880C51B93E02684CCB32" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_29FEE78D40DA880C51B93E02684CCB32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_98AEFDB1558A831DCB913E03270C5C22" xlink:type="locator" />
    <definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_98AEFDB1558A831DCB913E03270C5C22" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_7101B2D3B4A5C42D35D23E0406F0018B" xlink:type="locator" />
    <definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_InventoryNet_7101B2D3B4A5C42D35D23E0406F0018B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_30A0B21512FE230113E23E05B98AB1EC" xlink:type="locator" />
    <definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_30A0B21512FE230113E23E05B98AB1EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfDeferredCharges" xlink:label="loc_us-gaap_AmortizationOfDeferredCharges_0DE4F3FA7DA70C6880473E0A442753E8" xlink:type="locator" />
    <definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_AmortizationOfDeferredCharges_0DE4F3FA7DA70C6880473E0A442753E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_B83081261455D2AAD0543E0BD80B2C2C" xlink:type="locator" />
    <definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_CD9B66F7309F3B9CE4323DCE8002938A" xlink:to="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_B83081261455D2AAD0543E0BD80B2C2C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsProFormaInformationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_093A4602129976914FE42F6136987667" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_D91C7687314A857CA4312F61368EFA3D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_093A4602129976914FE42F6136987667" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_D91C7687314A857CA4312F61368EFA3D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_DE4D71136E486959E32D2F61368E2471" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_D91C7687314A857CA4312F61368EFA3D" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_DE4D71136E486959E32D2F61368E2471" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C335E1412496402D9DB92F61368E100A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_DE4D71136E486959E32D2F61368E2471" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C335E1412496402D9DB92F61368E100A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C335E1412496402D9DB92F61368E100A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_DE4D71136E486959E32D2F61368E2471" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C335E1412496402D9DB92F61368E100A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_C96E87C81F5CF2C87C782F6521DE9B37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C335E1412496402D9DB92F61368E100A" xlink:to="loc_livn_MergerAgreementMember_C96E87C81F5CF2C87C782F6521DE9B37" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_B175D1155C4A650CEF572F65C5FAD04D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_093A4602129976914FE42F6136987667" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_B175D1155C4A650CEF572F65C5FAD04D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_D2085D7A9140F42069CA2F661E1FFB4A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_093A4602129976914FE42F6136987667" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_D2085D7A9140F42069CA2F661E1FFB4A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BusinessAcquisitionProFormaEarningsPerShareBasicandDiluted" xlink:label="loc_livn_BusinessAcquisitionProFormaEarningsPerShareBasicandDiluted_264B25527B5C736BEF172F66EE61F2DD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_093A4602129976914FE42F6136987667" xlink:to="loc_livn_BusinessAcquisitionProFormaEarningsPerShareBasicandDiluted_264B25527B5C736BEF172F66EE61F2DD" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/BusinessCombinationsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsLineItems" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCommitmentsTable" xlink:label="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_31AC79D6B5A0EB59D7F9398A17CAE19F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_us-gaap_LitigationCaseAxis_31AC79D6B5A0EB59D7F9398A17CAE19F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationCaseAxis_31AC79D6B5A0EB59D7F9398A17CAE19F" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationCaseAxis_31AC79D6B5A0EB59D7F9398A17CAE19F" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_FDAWarningLetterMember" xlink:label="loc_livn_FDAWarningLetterMember_E3401EC82DBEF6A0AB3E398A17CA12AD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78" xlink:to="loc_livn_FDAWarningLetterMember_E3401EC82DBEF6A0AB3E398A17CA12AD" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BakerMilleretalv.LivaNovaPLCMember" xlink:label="loc_livn_BakerMilleretalv.LivaNovaPLCMember_0CC387B0731E54917E16398A17CAD4B9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78" xlink:to="loc_livn_BakerMilleretalv.LivaNovaPLCMember_0CC387B0731E54917E16398A17CAD4B9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_AndrewHageryv.CyberonicsInc.Member" xlink:label="loc_livn_AndrewHageryv.CyberonicsInc.Member_1DE70AC5D2F65A2B53DF398A17CA1DCA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_37C7136DA1953E850474398A17CAAC78" xlink:to="loc_livn_AndrewHageryv.CyberonicsInc.Member_1DE70AC5D2F65A2B53DF398A17CA1DCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="loc_us-gaap_LitigationStatusAxis_F740F2109705333757EF398A17CAECA1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_us-gaap_LitigationStatusAxis_F740F2109705333757EF398A17CAECA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_F740F2109705333757EF398A17CAECA1" xlink:to="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_F740F2109705333757EF398A17CAECA1" xlink:to="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="loc_us-gaap_PendingLitigationMember_485B1DCD3B5662EEBEAE398A17CBB210" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946" xlink:to="loc_us-gaap_PendingLitigationMember_485B1DCD3B5662EEBEAE398A17CBB210" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ThreatenedLitigationMember" xlink:label="loc_us-gaap_ThreatenedLitigationMember_EB7D93D9FAA911096963398A17CB26EC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_2E6F55790F9304C23A61398A17CB2946" xlink:to="loc_us-gaap_ThreatenedLitigationMember_EB7D93D9FAA911096963398A17CB26EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0E0D129CF0244AC61A3E398A17CBE050" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_us-gaap_RangeAxis_0E0D129CF0244AC61A3E398A17CBE050" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2DBA93BF0BABF7368C9A398A17CBAF15_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_0E0D129CF0244AC61A3E398A17CBE050" xlink:to="loc_us-gaap_RangeMember_2DBA93BF0BABF7368C9A398A17CBAF15_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2DBA93BF0BABF7368C9A398A17CBAF15" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_0E0D129CF0244AC61A3E398A17CBE050" xlink:to="loc_us-gaap_RangeMember_2DBA93BF0BABF7368C9A398A17CBAF15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_1605CD8A8F81FE595967398A17CBC0D9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2DBA93BF0BABF7368C9A398A17CBAF15" xlink:to="loc_us-gaap_MaximumMember_1605CD8A8F81FE595967398A17CBC0D9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_8C46BD3D8330C956E237398A17CB3F3E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_8C46BD3D8330C956E237398A17CB3F3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BFAA41969068F0E3796B398A17CCF6F3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8C46BD3D8330C956E237398A17CB3F3E" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BFAA41969068F0E3796B398A17CCF6F3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_BFAA41969068F0E3796B398A17CCF6F3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8C46BD3D8330C956E237398A17CB3F3E" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_BFAA41969068F0E3796B398A17CCF6F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_A43C7F5F91EFEE63ED17398A17CC1EE6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_BFAA41969068F0E3796B398A17CCF6F3" xlink:to="loc_us-gaap_SubsequentEventMember_A43C7F5F91EFEE63ED17398A17CC1EE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_F7FCA96D4B2663FCE613398A17CC5411" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_F7FCA96D4B2663FCE613398A17CC5411" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_4152262019EA9E5272FD398A17CC1750_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_F7FCA96D4B2663FCE613398A17CC5411" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_4152262019EA9E5272FD398A17CC1750_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_4152262019EA9E5272FD398A17CC1750" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_F7FCA96D4B2663FCE613398A17CC5411" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_4152262019EA9E5272FD398A17CC1750" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RegionalInternalRevenueOfficeofLombardyMember" xlink:label="loc_livn_RegionalInternalRevenueOfficeofLombardyMember_EB2F1F5972F453C49A33398A17CCE6D6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_4152262019EA9E5272FD398A17CC1750" xlink:to="loc_livn_RegionalInternalRevenueOfficeofLombardyMember_EB2F1F5972F453C49A33398A17CCE6D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_365970D9BD2DA7461EF4398A17CC8F23" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_2CD956C5B21289AC94C3398A17CA6A1A" xlink:to="loc_dei_LegalEntityAxis_365970D9BD2DA7461EF4398A17CC8F23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_EF19453331312EE69F2A398A17CCA492_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_365970D9BD2DA7461EF4398A17CC8F23" xlink:to="loc_dei_EntityDomain_EF19453331312EE69F2A398A17CCA492_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_EF19453331312EE69F2A398A17CCA492" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_365970D9BD2DA7461EF4398A17CC8F23" xlink:to="loc_dei_EntityDomain_EF19453331312EE69F2A398A17CCA492" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_8B2D560D5A5CEEF75197398A17CCFE61" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_EF19453331312EE69F2A398A17CCA492" xlink:to="loc_livn_SorinS.p.A.Member_8B2D560D5A5CEEF75197398A17CCFE61" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LossContingencyEstimateofPossibleLossPercentofSales" xlink:label="loc_livn_LossContingencyEstimateofPossibleLossPercentofSales_921371B2A54087063E83398A17CD9157" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_livn_LossContingencyEstimateofPossibleLossPercentofSales_921371B2A54087063E83398A17CD9157" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LossContingencyNumberofPatients" xlink:label="loc_livn_LossContingencyNumberofPatients_860426B407CF69E0A850398A17CD7656" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_livn_LossContingencyNumberofPatients_860426B407CF69E0A850398A17CD7656" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityNoteSpinoffTransaction" xlink:label="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_51AF58A5F643AFCD7BDF398A17CD9323" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_51AF58A5F643AFCD7BDF398A17CD9323" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_2B2FEACBACBCAF28858F398A17CDE595" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_2B2FEACBACBCAF28858F398A17CDE595" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IncomeTaxExaminationOperatingLossesUnderDispute" xlink:label="loc_livn_IncomeTaxExaminationOperatingLossesUnderDispute_DBBA042773B8EAC323FC398A17CDE957" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_livn_IncomeTaxExaminationOperatingLossesUnderDispute_DBBA042773B8EAC323FC398A17CDE957" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LossContingencyNumberofAssessments" xlink:label="loc_livn_LossContingencyNumberofAssessments_053E11B86C303DF855C7398A17CD4B7C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_livn_LossContingencyNumberofAssessments_053E11B86C303DF855C7398A17CD4B7C" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LossContingencyNumberofJudgmentsAgainst" xlink:label="loc_livn_LossContingencyNumberofJudgmentsAgainst_694C6E7CBF5283C67049398A17CDD0F4" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_livn_LossContingencyNumberofJudgmentsAgainst_694C6E7CBF5283C67049398A17CDD0F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss" xlink:label="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_36975E6EB0880D956BA7398A17CE5028" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_36975E6EB0880D956BA7398A17CE5028" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_us-gaap_OperatingLeasesRentExpenseNet_EE3BAFCE6738C7F976AA398A17CE970C" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_F036532DD2FBF08C4E21398A17CDCAC1" xlink:to="loc_us-gaap_OperatingLeasesRentExpenseNet_EE3BAFCE6738C7F976AA398A17CE970C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesScheduleOfFutureMinimumLeasePaymentsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/CommitmentsAndContingenciesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfIncomeLoss" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/ConsolidatedStatementsOfStockholdersEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_B5C73F4F506A77C14FEB3E27E0AA0171" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_F6748F9B6952787518453E27E0A955F2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_B5C73F4F506A77C14FEB3E27E0AA0171" xlink:to="loc_us-gaap_StatementTable_F6748F9B6952787518453E27E0A955F2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_3929D532918125742BCE3E27E0A92F2C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_F6748F9B6952787518453E27E0A955F2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_3929D532918125742BCE3E27E0A92F2C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3929D532918125742BCE3E27E0A92F2C" xlink:to="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3929D532918125742BCE3E27E0A92F2C" xlink:to="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_613AA3346FE5AFC183113E27E0AA07B3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_CommonStockMember_613AA3346FE5AFC183113E27E0AA07B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_BB23BF66E073CE4539083E27E0AA22D2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_BB23BF66E073CE4539083E27E0AA22D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember_DE3E871A1BF69535ECB03E27E0AAF6DA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_WarrantMember_DE3E871A1BF69535ECB03E27E0AAF6DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_AAB3ACA9F3D2AED8B8BA3E27E0AAF075" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_TreasuryStockMember_AAB3ACA9F3D2AED8B8BA3E27E0AAF075" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8BCDD9DF0A8E7BFC6BD83E27E0AA9C65" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8BCDD9DF0A8E7BFC6BD83E27E0AA9C65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_209504220BAF76F0D9923E27E0AA5C7D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_73128C0F0126D786540D3E27E0A99E9F" xlink:to="loc_us-gaap_RetainedEarningsMember_209504220BAF76F0D9923E27E0AA5C7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_3837CC7F01F914AAD9073E27E0AACA79" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_F6748F9B6952787518453E27E0A955F2" xlink:to="loc_dei_LegalEntityAxis_3837CC7F01F914AAD9073E27E0AACA79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_3837CC7F01F914AAD9073E27E0AACA79" xlink:to="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_3837CC7F01F914AAD9073E27E0AACA79" xlink:to="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_7A4D6FD8DED57DED95973E27E0AA5E49" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564" xlink:to="loc_livn_SorinS.p.A.Member_7A4D6FD8DED57DED95973E27E0AA5E49" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CyberonicsIncMember" xlink:label="loc_livn_CyberonicsIncMember_34BF088A786466AB86453E27E0AA5AA0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5DF5AF6B9F9C683087693E27E0AAC564" xlink:to="loc_livn_CyberonicsIncMember_34BF088A786466AB86453E27E0AA5AA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B5C73F4F506A77C14FEB3E27E0AA0171" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_B2208B60FC090C7010CC3E27E0AAA3B7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockholdersEquity_B2208B60FC090C7010CC3E27E0AAA3B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_6EBFEBB940CE56E00B043E27E0AA2DEB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_CommonStockSharesIssued_6EBFEBB940CE56E00B043E27E0AA2DEB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_AEBF172CFCD53FFE85213E27E0AA7BC1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_AEBF172CFCD53FFE85213E27E0AA7BC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_EE34F790D553AE38AFD93E27E0AA4014" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_EE34F790D553AE38AFD93E27E0AA4014" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_B39D6B3BE783D1F027A53E27E0AB473E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_B39D6B3BE783D1F027A53E27E0AB473E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_56FCEC20E6E83D658F0B3E27E0AB42DD" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_56FCEC20E6E83D658F0B3E27E0AB42DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_196001B8FB8A4104A8BB3E27E0ABA0C9" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_196001B8FB8A4104A8BB3E27E0ABA0C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_FCE5002987DAFB8352813E27E0ABDDDE" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_FCE5002987DAFB8352813E27E0ABDDDE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_DA273240AFFBEC6E7DF03E27E0AB11A7" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_DA273240AFFBEC6E7DF03E27E0AB11A7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SettlementAndConversionOfWarrants" xlink:label="loc_livn_SettlementAndConversionOfWarrants_9B33B432260919F3AA343E27E0AB488B" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_livn_SettlementAndConversionOfWarrants_9B33B432260919F3AA343E27E0AB488B" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_StockCanceledDuringPeriodValue" xlink:label="loc_livn_StockCanceledDuringPeriodValue_598585AEC98AA4FA04153E27E0ABE901" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_livn_StockCanceledDuringPeriodValue_598585AEC98AA4FA04153E27E0ABE901" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_StockCanceledDuringPeriodShares" xlink:label="loc_livn_StockCanceledDuringPeriodShares_C84831530C0FFDCB69823E27E0AB2352" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_livn_StockCanceledDuringPeriodShares_C84831530C0FFDCB69823E27E0AB2352" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_93B2C663A665F3824F113E27E0ABC866" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_93B2C663A665F3824F113E27E0ABC866" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A475E45CA67CCAF620793E27E0AB44A2" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A475E45CA67CCAF620793E27E0AB44A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_A21AAA1ECC34248585B13E27E0AB0839" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_NetIncomeLoss_A21AAA1ECC34248585B13E27E0AB0839" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_753CEBBB5CD60F7599923E27E0AB689F" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_753CEBBB5CD60F7599923E27E0AB689F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalOther" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_D193AFF3E90819203C2F3E27E0AB63B0" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_5DD4E09F27A4BE0FDEBD3E27E0AA8940" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalOther_D193AFF3E90819203C2F3E27E0AB63B0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagement" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementAmountOfGainLossRecognizedInOciAndIncomeStatementDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42862884149D7144CD232E2C5C3CA192" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_32C645E360CD2EB32EA72E2C5C3C3F2A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42862884149D7144CD232E2C5C3CA192" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_32C645E360CD2EB32EA72E2C5C3C3F2A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_19AD0640C7F605CB76062E2C5C3CDA8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_32C645E360CD2EB32EA72E2C5C3C3F2A" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_19AD0640C7F605CB76062E2C5C3CDA8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_C236FF7621E9DB1EA80F2E2C5C3C2839_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_19AD0640C7F605CB76062E2C5C3CDA8C" xlink:to="loc_us-gaap_HedgingRelationshipDomain_C236FF7621E9DB1EA80F2E2C5C3C2839_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_C236FF7621E9DB1EA80F2E2C5C3C2839" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_19AD0640C7F605CB76062E2C5C3CDA8C" xlink:to="loc_us-gaap_HedgingRelationshipDomain_C236FF7621E9DB1EA80F2E2C5C3C2839" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_D1B424531289E7106EAE2E3005CA39EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_C236FF7621E9DB1EA80F2E2C5C3C2839" xlink:to="loc_us-gaap_CashFlowHedgingMember_D1B424531289E7106EAE2E3005CA39EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_C31CA3A00F45379F87672E2C5C3C17CA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_32C645E360CD2EB32EA72E2C5C3C3F2A" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_C31CA3A00F45379F87672E2C5C3C17CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C31CA3A00F45379F87672E2C5C3C17CA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C31CA3A00F45379F87672E2C5C3C17CA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_225AB632ABC10D5A1D3A2E3074E0A86A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82" xlink:to="loc_us-gaap_ForeignExchangeContractMember_225AB632ABC10D5A1D3A2E3074E0A86A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_DF421067F792DE7E8F912E30E7FDE341" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_BB31786CF05A0ED7333A2E2C5C3C0B82" xlink:to="loc_us-gaap_InterestRateSwapMember_DF421067F792DE7E8F912E30E7FDE341" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_B7365D9D00FE0E03144F2E2C5C3C9648" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_32C645E360CD2EB32EA72E2C5C3C3F2A" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_B7365D9D00FE0E03144F2E2C5C3C9648" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_B7365D9D00FE0E03144F2E2C5C3C9648" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_B7365D9D00FE0E03144F2E2C5C3C9648" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherIncomeExpenseNetMember" xlink:label="loc_livn_OtherIncomeExpenseNetMember_A6E412D88D389DD579312E326F00836E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673" xlink:to="loc_livn_OtherIncomeExpenseNetMember_A6E412D88D389DD579312E326F00836E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_16012EC4493B0A2180872E319CF09839" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_58662F571E3EB725E6C82E2C5C3C8673" xlink:to="loc_us-gaap_InterestExpenseMember_16012EC4493B0A2180872E319CF09839" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_8A307534417A2E2D2A052E2D2C5474F1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42862884149D7144CD232E2C5C3CA192" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_8A307534417A2E2D2A052E2D2C5474F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_6242664B0DA09C8259C92E2DE5904A3C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_42862884149D7144CD232E2C5C3CA192" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_6242664B0DA09C8259C92E2DE5904A3C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementFairValueOfDerivativeInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_2B2822F7AB3A6FDCD3062E1B7BE62C7F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7FFBCB8F38B2A597FBCA2E1B7BD66AF8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_2B2822F7AB3A6FDCD3062E1B7BE62C7F" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7FFBCB8F38B2A597FBCA2E1B7BD66AF8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_707A4A0C18FEDC3DFE512E1B7BD65CB8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7FFBCB8F38B2A597FBCA2E1B7BD66AF8" xlink:to="loc_us-gaap_HedgingDesignationAxis_707A4A0C18FEDC3DFE512E1B7BD65CB8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_707A4A0C18FEDC3DFE512E1B7BD65CB8" xlink:to="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_707A4A0C18FEDC3DFE512E1B7BD65CB8" xlink:to="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_4DBD2FEDC13D9B0EC0052E1CE35986F9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_4DBD2FEDC13D9B0EC0052E1CE35986F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_E3A9FD5916717F8345492E1C9CEA4376" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_DF971EC4D17E4F28DBBE2E1B7BD6FD5A" xlink:to="loc_us-gaap_NondesignatedMember_E3A9FD5916717F8345492E1C9CEA4376" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_751C698127B6A756203A2E1B7BD672B6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7FFBCB8F38B2A597FBCA2E1B7BD66AF8" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_751C698127B6A756203A2E1B7BD672B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_751C698127B6A756203A2E1B7BD672B6" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_751C698127B6A756203A2E1B7BD672B6" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_C40672EA51C51F7D56E92E2393F89078" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:to="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_C40672EA51C51F7D56E92E2393F89078" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_9A15C420435B05B806EA2E2223059CED" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_9A15C420435B05B806EA2E2223059CED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_AA531311F1C258BCCA682E22DAC0E22A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:to="loc_us-gaap_OtherAssetsMember_AA531311F1C258BCCA682E22DAC0E22A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_EE20506A1824BEDB23572E2298A8A074" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_B352C65503F4EE60577B2E1B7BD613BD" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_EE20506A1824BEDB23572E2298A8A074" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_45D82B4C42C143C8AA862E1B7BD6BBF6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_7FFBCB8F38B2A597FBCA2E1B7BD66AF8" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_45D82B4C42C143C8AA862E1B7BD6BBF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45D82B4C42C143C8AA862E1B7BD6BBF6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45D82B4C42C143C8AA862E1B7BD6BBF6" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_AF40AB2C1A9E8EFFE0912E1DE966B934" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F" xlink:to="loc_us-gaap_InterestRateContractMember_AF40AB2C1A9E8EFFE0912E1DE966B934" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_BB7A1759FDCC622EA9512E1E4FF4841B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_11E915F328149E8A5A922E1B7BD60E8F" xlink:to="loc_us-gaap_ForeignExchangeContractMember_BB7A1759FDCC622EA9512E1E4FF4841B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_879E8236D7795F709DCF2E1FD1DAE6E2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_2B2822F7AB3A6FDCD3062E1B7BE62C7F" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_879E8236D7795F709DCF2E1FD1DAE6E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_CF9788967458D8F7C2CB2E202FECF9B4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_2B2822F7AB3A6FDCD3062E1B7BE62C7F" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_CF9788967458D8F7C2CB2E202FECF9B4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementGainLossInConsolidatedStatementsOfIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_14B0DE2EFF30C499360B2E560728ECF8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_FD832221046E26693F222E5607283D73" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_14B0DE2EFF30C499360B2E560728ECF8" xlink:to="loc_us-gaap_DerivativeTable_FD832221046E26693F222E5607283D73" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_8CBBA98F7944480720592E560728E7A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FD832221046E26693F222E5607283D73" xlink:to="loc_us-gaap_HedgingDesignationAxis_8CBBA98F7944480720592E560728E7A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_D4B30BA6BA60D9502CA82E560728C642_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_8CBBA98F7944480720592E560728E7A0" xlink:to="loc_us-gaap_HedgingDesignationDomain_D4B30BA6BA60D9502CA82E560728C642_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_D4B30BA6BA60D9502CA82E560728C642" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_8CBBA98F7944480720592E560728E7A0" xlink:to="loc_us-gaap_HedgingDesignationDomain_D4B30BA6BA60D9502CA82E560728C642" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_7C46B8179A908DFE78BB2E560728403D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_D4B30BA6BA60D9502CA82E560728C642" xlink:to="loc_us-gaap_NondesignatedMember_7C46B8179A908DFE78BB2E560728403D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_E13090368495DA32F76F2E560728FE5B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FD832221046E26693F222E5607283D73" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_E13090368495DA32F76F2E560728FE5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_B7BA33936B25437FF8F72E5607284484_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E13090368495DA32F76F2E560728FE5B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_B7BA33936B25437FF8F72E5607284484_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_B7BA33936B25437FF8F72E5607284484" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E13090368495DA32F76F2E560728FE5B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_B7BA33936B25437FF8F72E5607284484" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_BCD9FFC2365A006C860D2E560728A90F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_B7BA33936B25437FF8F72E5607284484" xlink:to="loc_us-gaap_ForeignExchangeContractMember_BCD9FFC2365A006C860D2E560728A90F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_9C368AB565DEA9F408002E5607285901" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_FD832221046E26693F222E5607283D73" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_9C368AB565DEA9F408002E5607285901" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_FD0B92C1BE758754070C2E5607285427_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C368AB565DEA9F408002E5607285901" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_FD0B92C1BE758754070C2E5607285427_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_FD0B92C1BE758754070C2E5607285427" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C368AB565DEA9F408002E5607285901" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_FD0B92C1BE758754070C2E5607285427" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherIncomeExpenseNetMember" xlink:label="loc_livn_OtherIncomeExpenseNetMember_FE63A7D079947E9337C12E56072884D8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_FD0B92C1BE758754070C2E5607285427" xlink:to="loc_livn_OtherIncomeExpenseNetMember_FE63A7D079947E9337C12E56072884D8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_0D5A0B0744327D1A35DF2E560728B7ED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_14B0DE2EFF30C499360B2E560728ECF8" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_0D5A0B0744327D1A35DF2E560728B7ED" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_EA32D4924327AAA7BB8A399EE2E75B15" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_EA32D4924327AAA7BB8A399EE2E75B15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_EA32D4924327AAA7BB8A399EE2E75B15" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_EA32D4924327AAA7BB8A399EE2E75B15" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RelatedPartyLoansMember" xlink:label="loc_livn_RelatedPartyLoansMember_56242A2104C5BCAFA55339A077481123" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C" xlink:to="loc_livn_RelatedPartyLoansMember_56242A2104C5BCAFA55339A077481123" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ShortTermandLongTermDebtMember" xlink:label="loc_livn_ShortTermandLongTermDebtMember_CC42D6890D9FD979803C39A1D2369C32" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C" xlink:to="loc_livn_ShortTermandLongTermDebtMember_CC42D6890D9FD979803C39A1D2369C32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMember" xlink:label="loc_us-gaap_LongTermDebtMember_F2BCF29EF6A4BA53997139A20AFDA9B0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_5771390F4287811A677A399EE2ED332C" xlink:to="loc_us-gaap_LongTermDebtMember_F2BCF29EF6A4BA53997139A20AFDA9B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_2C776B30EC453D1873D5398D10931665" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_2C776B30EC453D1873D5398D10931665" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_2C776B30EC453D1873D5398D10931665" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_2C776B30EC453D1873D5398D10931665" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesMember" xlink:label="loc_us-gaap_SalesMember_311D32C80100E80927A0399FB3738980" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6" xlink:to="loc_us-gaap_SalesMember_311D32C80100E80927A0399FB3738980" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherIncomeExpenseNetMember" xlink:label="loc_livn_OtherIncomeExpenseNetMember_0A401839D227979E6B31398D1093FBC6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_DBFEB2C445AB4A83FE95398D109350F6" xlink:to="loc_livn_OtherIncomeExpenseNetMember_0A401839D227979E6B31398D1093FBC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_B70C5C5BF95DE92B230B398D10936024" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_B70C5C5BF95DE92B230B398D10936024" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_0FD38996C0086ED4FD73398D109D1F73_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_B70C5C5BF95DE92B230B398D10936024" xlink:to="loc_us-gaap_HedgingRelationshipDomain_0FD38996C0086ED4FD73398D109D1F73_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_0FD38996C0086ED4FD73398D109D1F73" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_B70C5C5BF95DE92B230B398D10936024" xlink:to="loc_us-gaap_HedgingRelationshipDomain_0FD38996C0086ED4FD73398D109D1F73" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_938AC9C13A78135D88CF398D109D8AC5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_0FD38996C0086ED4FD73398D109D1F73" xlink:to="loc_us-gaap_CashFlowHedgingMember_938AC9C13A78135D88CF398D109D8AC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_6F22F1001451554A9BA1398D109D2EF0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_dei_LegalEntityAxis_6F22F1001451554A9BA1398D109D2EF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_2003C36A22CB477CF367398D109D9A8D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_6F22F1001451554A9BA1398D109D2EF0" xlink:to="loc_dei_EntityDomain_2003C36A22CB477CF367398D109D9A8D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_2003C36A22CB477CF367398D109D9A8D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_6F22F1001451554A9BA1398D109D2EF0" xlink:to="loc_dei_EntityDomain_2003C36A22CB477CF367398D109D9A8D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_00118D35A92F75D8D0B4398D109DAFBA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_2003C36A22CB477CF367398D109D9A8D" xlink:to="loc_livn_SorinS.p.A.Member_00118D35A92F75D8D0B4398D109DAFBA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_94822E543415AFCFBF0E398D109D170E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_94822E543415AFCFBF0E398D109D170E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_94822E543415AFCFBF0E398D109D170E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_94822E543415AFCFBF0E398D109D170E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_17332ABA9DDE18FA0A75398D109DCCE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0" xlink:to="loc_us-gaap_ForeignExchangeContractMember_17332ABA9DDE18FA0A75398D109DCCE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_91CBD228FAE2E4B2B3FF398D109DBCA3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ForeignExchangeContractMember_17332ABA9DDE18FA0A75398D109DCCE9" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_91CBD228FAE2E4B2B3FF398D109DBCA3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_45A3FCAC4C4E364B2200398D109DF404" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_F3B75FBE2ACCDB04034D398D109DB9D0" xlink:to="loc_us-gaap_InterestRateSwapMember_45A3FCAC4C4E364B2200398D109DF404" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_InterestRateSwapEffectiveJuly122013Member" xlink:label="loc_livn_InterestRateSwapEffectiveJuly122013Member_4CA77BD43F7D374F62CF398D109D074A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_45A3FCAC4C4E364B2200398D109DF404" xlink:to="loc_livn_InterestRateSwapEffectiveJuly122013Member_4CA77BD43F7D374F62CF398D109D074A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_81465133A3998760E3B6398D109D1E47" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_HedgingDesignationAxis_81465133A3998760E3B6398D109D1E47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_040738146B5E8A88FF1B398D109D4A24_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_81465133A3998760E3B6398D109D1E47" xlink:to="loc_us-gaap_HedgingDesignationDomain_040738146B5E8A88FF1B398D109D4A24_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_040738146B5E8A88FF1B398D109D4A24" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_81465133A3998760E3B6398D109D1E47" xlink:to="loc_us-gaap_HedgingDesignationDomain_040738146B5E8A88FF1B398D109D4A24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_81ECD9726F9EDE6471C4398D109DD6AE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_040738146B5E8A88FF1B398D109D4A24" xlink:to="loc_us-gaap_NondesignatedMember_81ECD9726F9EDE6471C4398D109DD6AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_89479B558A172FF1C872398D109D9F0D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_DB1F657F3B2C9EA59389398D109389B6" xlink:to="loc_us-gaap_RangeAxis_89479B558A172FF1C872398D109D9F0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_89479B558A172FF1C872398D109D9F0D" xlink:to="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_89479B558A172FF1C872398D109D9F0D" xlink:to="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_0916FCAF5730071A4434398D109D4C74" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C" xlink:to="loc_us-gaap_MinimumMember_0916FCAF5730071A4434398D109D4C74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_93C19099D6C73BB0DBDB398D109D53BB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_2573DE7B795B3FF4BD5B398D109D2D7C" xlink:to="loc_us-gaap_MaximumMember_93C19099D6C73BB0DBDB398D109D53BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments" xlink:label="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_CB3653FC796CEE8B43CA399A28FEA884" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_CB3653FC796CEE8B43CA399A28FEA884" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_6D20CB4B6BE2126FFA99398D109D87FC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_invest_DerivativeNotionalAmount_6D20CB4B6BE2126FFA99398D109D87FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_E7E2BAA770604C1EEFAB398D109D374C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_DerivativeTermOfContract_E7E2BAA770604C1EEFAB398D109D374C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet" xlink:label="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_F5CA27D70E97D3A25568398D109D95FF" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet_F5CA27D70E97D3A25568398D109D95FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_923472E4D81301F3DD6A398D109D4F51" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_923472E4D81301F3DD6A398D109D4F51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_CAE0EBC34E6004DBCD07398D109D4CA9" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_CAE0EBC34E6004DBCD07398D109D4CA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_01739C87446860477AEC398D109D69C5" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_01739C87446860477AEC398D109D69C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_F7319F1744668F0461DA398D109DDD59" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_9F8FFFAE3E55ABF59A67398D109D3F1B" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_F7319F1744668F0461DA398D109DDD59" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DerivativesAndForeignCurrencyRiskManagementTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansAccumulatedBenefitObligationsInExcessOfPlanAssetsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansAssumptionsUsedDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CF034534BDFD7CF5C8232A5BF34DCBA5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_A3C5DD96249F9EE6342B2A5BF34AAFAC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CF034534BDFD7CF5C8232A5BF34DCBA5" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_A3C5DD96249F9EE6342B2A5BF34AAFAC" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_DF9D44F747A64D629B6F2A5BF34BDFD4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_A3C5DD96249F9EE6342B2A5BF34AAFAC" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_DF9D44F747A64D629B6F2A5BF34BDFD4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_DF9D44F747A64D629B6F2A5BF34BDFD4" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_DF9D44F747A64D629B6F2A5BF34BDFD4" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_2CF1E4156E91CF7B78DB2A5BF34B8C1F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_2CF1E4156E91CF7B78DB2A5BF34B8C1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_B16BEE76A88AC62A75442A5BF34BE018" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_DBBEDE0E785B29EC382A2A5BF34B1B29" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_B16BEE76A88AC62A75442A5BF34BE018" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_881515E8CEBCCD8127EA2A5BF34CA0FC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_A3C5DD96249F9EE6342B2A5BF34AAFAC" xlink:to="loc_us-gaap_RangeAxis_881515E8CEBCCD8127EA2A5BF34CA0FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_881515E8CEBCCD8127EA2A5BF34CA0FC" xlink:to="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_881515E8CEBCCD8127EA2A5BF34CA0FC" xlink:to="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_CA6083C4DB4165B501BE2A5BF34CCC29" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD" xlink:to="loc_us-gaap_MinimumMember_CA6083C4DB4165B501BE2A5BF34CCC29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_E78EACBE2A29A9E3407D2A5BF34CAFC1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_22CF5D6B9F3E0E93A0402A5BF34CDCBD" xlink:to="loc_us-gaap_MaximumMember_E78EACBE2A29A9E3407D2A5BF34CAFC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_A630C520D25CE600594D2A5BF34DC5B3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CF034534BDFD7CF5C8232A5BF34DCBA5" xlink:to="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_A630C520D25CE600594D2A5BF34DC5B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_3BF01F0B4F77E9E9269E2A5BF34D7517" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_A630C520D25CE600594D2A5BF34DC5B3" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_3BF01F0B4F77E9E9269E2A5BF34D7517" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_3749DCE72BBA6E21A0642A5BF34F0B1A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_A630C520D25CE600594D2A5BF34DC5B3" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_3749DCE72BBA6E21A0642A5BF34F0B1A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_BE16AA116289C2D03EB62A5BF34F4807" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CF034534BDFD7CF5C8232A5BF34DCBA5" xlink:to="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_BE16AA116289C2D03EB62A5BF34F4807" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_A2C46F5D37F018E3F8282A5BF34F2C9D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_BE16AA116289C2D03EB62A5BF34F4807" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_A2C46F5D37F018E3F8282A5BF34F2C9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_E36815A9B4C242C837642A5BF34F1DD3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract_BE16AA116289C2D03EB62A5BF34F4807" xlink:to="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_E36815A9B4C242C837642A5BF34F1DD3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansChangeInBenefitObligationsAndFundedStatusDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8ADE408F1BEB76FA0C4C4033D51E493D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8ADE408F1BEB76FA0C4C4033D51E493D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8FE5B16665E39CEF6E744033D51F8A58" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_8ADE408F1BEB76FA0C4C4033D51E493D" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8FE5B16665E39CEF6E744033D51F8A58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8FE5B16665E39CEF6E744033D51F8A58" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8FE5B16665E39CEF6E744033D51F8A58" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_C09B914AB6A9723F3F8A4033D51FD373" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_C09B914AB6A9723F3F8A4033D51FD373" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_2014BD1589FE36B547384033D5209D25" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_7C29D9A829941C0AB0B94033D51FD54C" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_2014BD1589FE36B547384033D5209D25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:to="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_4828D872883B9E727A434033D5202540" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_4828D872883B9E727A434033D5202540" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_DC044EA8FA38FE9AD3944033D520634A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_DC044EA8FA38FE9AD3944033D520634A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_754C3DAD5EB678D180074033D5210C3A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_754C3DAD5EB678D180074033D5210C3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_84909A6F2C2979C817494033D521ED4F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_84909A6F2C2979C817494033D521ED4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByPlanParticipants" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByPlanParticipants_9FD09A2996940D8453144033D5214CF0" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByPlanParticipants_9FD09A2996940D8453144033D5214CF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_D4CB0E03501E082B97724033D521F1CE" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_D4CB0E03501E082B97724033D521F1CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_F5328EA480D767CC7C634033D521E11C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_F5328EA480D767CC7C634033D521E11C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_5A8DE967ACBC68FA33D74033D5217A01" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitsPaid_5A8DE967ACBC68FA33D74033D5217A01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_FCB38E73C0DD3832849E4033D5225810" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_4483E88728BC87DCE5D44033D520D152" xlink:to="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_FCB38E73C0DD3832849E4033D5225810" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:to="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_CBCC475B1CE28E91273C4033D522CBCB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_CBCC475B1CE28E91273C4033D522CBCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_359FCFBB571D9112085E4033D5222682" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_359FCFBB571D9112085E4033D5222682" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets_8DDD714F10C87F8ACA7C4033D523FAFA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets_8DDD714F10C87F8ACA7C4033D523FAFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_7D24624D8832BCC6C06A4033D5238371" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_7D24624D8832BCC6C06A4033D5238371" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_EB107A9FC436562ECC274033D5242D38" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanSettlementsPlanAssets_EB107A9FC436562ECC274033D5242D38" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_DefinedBenefitPlanBenefitsPaidDirectlyByCompany" xlink:label="loc_livn_DefinedBenefitPlanBenefitsPaidDirectlyByCompany_E78F61FDADE13F966A8A4033D52469FF" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_livn_DefinedBenefitPlanBenefitsPaidDirectlyByCompany_E78F61FDADE13F966A8A4033D52469FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_10AE0BDD90FE5F030CF74033D5247856" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_AD89A7CA941890FE83974033D5222EA8" xlink:to="loc_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_10AE0BDD90FE5F030CF74033D5247856" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_48F97E768AA1809C5F554033D5259CBB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:to="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_48F97E768AA1809C5F554033D5259CBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_B9CEC0C8056B89C305584033D5250038" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_48F97E768AA1809C5F554033D5259CBB" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_B9CEC0C8056B89C305584033D5250038" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_CC2D8155B59E99EB73074033D520D6EA" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_1F3E168A5A9C6F7259404033D5267F4B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_1F3E168A5A9C6F7259404033D5267F4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_C1A1DC62A58F0CE7057A4033D526D46F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent_C1A1DC62A58F0CE7057A4033D526D46F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_940D2FED69F0DC90416C4033D5264B30" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_940D2FED69F0DC90416C4033D5264B30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_8749EAB5543004226D0F4033D5262F6A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilitiesAbstract_1612C34B7D5D86D183BB4033D525FDD3" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities_8749EAB5543004226D0F4033D5262F6A" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansExpectedBenefitPaymentsdetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CCBCD9E2EC18A972A9A726A635C3BDE3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CCBCD9E2EC18A972A9A726A635C3BDE3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BD60195E1139B49A57CD26A635C9EE7C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_CCBCD9E2EC18A972A9A726A635C3BDE3" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BD60195E1139B49A57CD26A635C9EE7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BD60195E1139B49A57CD26A635C9EE7C" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_BD60195E1139B49A57CD26A635C9EE7C" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_DE4328EC9B39D0631FA126AB6CC1E3C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_DE4328EC9B39D0631FA126AB6CC1E3C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_9E8CF124522CC6E091D626AC174337B8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_CEA43C6FA3F24442046C26A635CF487F" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_9E8CF124522CC6E091D626AC174337B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5CA62CF1538BB27CA92B26ADCE14F291" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_5CA62CF1538BB27CA92B26ADCE14F291" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_F9D55826A6A366F3437C26AE49FAF4A0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_F9D55826A6A366F3437C26AE49FAF4A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_35386C839F1CF3A9113826AEB54BFD61" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_35386C839F1CF3A9113826AEB54BFD61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_13DD97982147D6BB761326AF14FC1A50" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_13DD97982147D6BB761326AF14FC1A50" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_2135C6BDEA23D960F6FB26AF6C25E348" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_2135C6BDEA23D960F6FB26AF6C25E348" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_97B8E2AA539522563C5A26AFC820BE1B" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_33BD27EF79634DE9FF1426A635F58713" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_97B8E2AA539522563C5A26AFC820BE1B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansFairValueOfRetirementBenefitPlanAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_DD9628E13F591E7F73472ACAD57EA1CB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_3C9CE64F96B382B565272ACAD57E9E5E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_DD9628E13F591E7F73472ACAD57EA1CB" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_3C9CE64F96B382B565272ACAD57E9E5E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_B3123FC1881062E65FB32ACAD57EE313" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_3C9CE64F96B382B565272ACAD57E9E5E" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_B3123FC1881062E65FB32ACAD57EE313" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_1A50AF43DDB060894AE62ACAD57E221D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_B3123FC1881062E65FB32ACAD57EE313" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_1A50AF43DDB060894AE62ACAD57E221D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_1A50AF43DDB060894AE62ACAD57E221D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_B3123FC1881062E65FB32ACAD57EE313" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_1A50AF43DDB060894AE62ACAD57E221D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_3766FA76CB8613F529632B6123A2DB91" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_1A50AF43DDB060894AE62ACAD57E221D" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_3766FA76CB8613F529632B6123A2DB91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_B82CF09E4775DF3F130A2ACAD57E3358" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_3C9CE64F96B382B565272ACAD57E9E5E" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_B82CF09E4775DF3F130A2ACAD57E3358" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_B82CF09E4775DF3F130A2ACAD57E3358" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_B82CF09E4775DF3F130A2ACAD57E3358" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EquityMutualFundsMember" xlink:label="loc_livn_EquityMutualFundsMember_D143DCC3C20FEDB60D122B641FA6891E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4" xlink:to="loc_livn_EquityMutualFundsMember_D143DCC3C20FEDB60D122B641FA6891E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="loc_us-gaap_FixedIncomeFundsMember_E07F854882B9736288EE2B64AB537B81" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4" xlink:to="loc_us-gaap_FixedIncomeFundsMember_E07F854882B9736288EE2B64AB537B81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_6974D199A6C2DC1E2C632B65963ECF9E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_94E60E21DF8E9EE4D0132ACAD57E74A4" xlink:to="loc_us-gaap_MoneyMarketFundsMember_6974D199A6C2DC1E2C632B65963ECF9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_71B4DDBF312F77E039232ACAD57E864E" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_3C9CE64F96B382B565272ACAD57E9E5E" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_71B4DDBF312F77E039232ACAD57E864E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_71B4DDBF312F77E039232ACAD57E864E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_71B4DDBF312F77E039232ACAD57E864E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_1E4C10E9E654B503C6632B61D29D66E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_1E4C10E9E654B503C6632B61D29D66E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_D6C520F2758E55A1C3D32B6208C3DD20" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_D6C520F2758E55A1C3D32B6208C3DD20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_4392763D63BA50FB4DD52B6242D6CDC0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_C9DC99F60E9911C78B692ACAD57ECF97" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_4392763D63BA50FB4DD52B6242D6CDC0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_E09D9A5D0D4B5978A3FD2B677167A584" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_DD9628E13F591E7F73472ACAD57EA1CB" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_E09D9A5D0D4B5978A3FD2B677167A584" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4D6984485701DE360FA6398A16FC9087" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4D6984485701DE360FA6398A16FC9087" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_97B0F0EDBB6C7F88ABD9398A16FC25C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_4D6984485701DE360FA6398A16FC9087" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_97B0F0EDBB6C7F88ABD9398A16FC25C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_97B0F0EDBB6C7F88ABD9398A16FC25C5" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_97B0F0EDBB6C7F88ABD9398A16FC25C5" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_1C24D6408ADDCE60E98B398A16FD2A3E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_1C24D6408ADDCE60E98B398A16FD2A3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_23488CB2C85EAC516B82398A16FD6620" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_2EC94C93966198FCD00F398A16FCD07D" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_23488CB2C85EAC516B82398A16FD6620" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_1EF03EAE59021AC7F14D398A16FD372C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_1EF03EAE59021AC7F14D398A16FD372C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_F38939400564B6910729398A16FEE109" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_F38939400564B6910729398A16FEE109" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_402E1AEB105E5542AC38398A16FDE085" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_402E1AEB105E5542AC38398A16FDE085" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_D522DB79143086175390398A16FE3647" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_D522DB79143086175390398A16FE3647" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:label="loc_us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear_D3E2C79AD5D098FC87DF398A16FE572B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_5FBE75329720B2023C50398A16FDDF2A" xlink:to="loc_us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear_D3E2C79AD5D098FC87DF398A16FE572B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansNetPeriodicBenefitCostOfPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5411D06985F313156F8C34068FB84B34" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5411D06985F313156F8C34068FB84B34" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8DF4E1DFBDF90B09E23E34068FB87603" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_5411D06985F313156F8C34068FB84B34" xlink:to="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8DF4E1DFBDF90B09E23E34068FB87603" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8DF4E1DFBDF90B09E23E34068FB87603" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_8DF4E1DFBDF90B09E23E34068FB87603" xlink:to="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_82CB12058601BFA492D434068FB87D12" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A" xlink:to="loc_us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_82CB12058601BFA492D434068FB87D12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_DB8DBE080A2CA5CEA35E34068FB84BD0" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlansDomain_B195762F4209B3D9FDB734068FB85A8A" xlink:to="loc_us-gaap_ForeignPensionPlansDefinedBenefitMember_DB8DBE080A2CA5CEA35E34068FB84BD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_0033C6E6BD69BEC1588534068FB83C4C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_0033C6E6BD69BEC1588534068FB83C4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_11D1323177F3C4A741E534068FB8A23D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_11D1323177F3C4A741E534068FB8A23D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2470A3C82335484CEE6C34068FB8C09B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2470A3C82335484CEE6C34068FB8C09B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6DD998C85A0456E290A434068FB85691" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_6DD998C85A0456E290A434068FB85691" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0DB61684FD2D6E3B685C34068FB90B8B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_0DB61684FD2D6E3B685C34068FB90B8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_FB032816BFDA728466E334068FB91DB7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_FB032816BFDA728466E334068FB91DB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_4FF5C6E1E8A507D6CCBD34068FB9E2FA" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_662CA7956BC78F59991134068FB8D075" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_4FF5C6E1E8A507D6CCBD34068FB9E2FA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/EmployeeRetirementPlansTargetAssetAllocationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_2CA1859C44DC3881EF33382845498C33" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_218CD68D4A9F3254CCDC38284548D210" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_2CA1859C44DC3881EF33382845498C33" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_218CD68D4A9F3254CCDC38284548D210" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_7ED3612AFED221C41381382845485158" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_218CD68D4A9F3254CCDC38284548D210" xlink:to="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_7ED3612AFED221C41381382845485158" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_7ED3612AFED221C41381382845485158" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_7ED3612AFED221C41381382845485158" xlink:to="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_5A9E432EB9BDD1AEE4693828454842F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A" xlink:to="loc_us-gaap_EquitySecuritiesMember_5A9E432EB9BDD1AEE4693828454842F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_37DF9903AEDE1A788BF53828454856FA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A" xlink:to="loc_us-gaap_DebtSecuritiesMember_37DF9903AEDE1A788BF53828454856FA" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherAssetAllocationsMember" xlink:label="loc_livn_OtherAssetAllocationsMember_65BE688D88292C74247D382845483DE5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain_DF9521F67E287712FAD538284548B81A" xlink:to="loc_livn_OtherAssetAllocationsMember_65BE688D88292C74247D382845483DE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations" xlink:label="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_801557564DA4F76A9F6038284835FE02" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_2CA1859C44DC3881EF33382845498C33" xlink:to="loc_us-gaap_DefinedBenefitPlanTargetPlanAssetAllocations_801557564DA4F76A9F6038284835FE02" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsFairValueOfAssetsAndLiabilitiesMeasuredOnRecurringBasisDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1E36FFFA59FFE3A7212C4033D74764DF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1E36FFFA59FFE3A7212C4033D74764DF" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_20E75FE45D781692D3A94033D743B557" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_20E75FE45D781692D3A94033D743B557" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F1A55F4C89C2F3F237764033D743EE8C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_20E75FE45D781692D3A94033D743B557" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F1A55F4C89C2F3F237764033D743EE8C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F1A55F4C89C2F3F237764033D743EE8C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_20E75FE45D781692D3A94033D743B557" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F1A55F4C89C2F3F237764033D743EE8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_E91544B32E13C8F96BA64033D7430BAE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_F1A55F4C89C2F3F237764033D743EE8C" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_E91544B32E13C8F96BA64033D7430BAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A4028F4F404C5FF6C6EF4033D743D5DA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A4028F4F404C5FF6C6EF4033D743D5DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A4028F4F404C5FF6C6EF4033D743D5DA" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A4028F4F404C5FF6C6EF4033D743D5DA" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_9F492E44B8A0556A18A14033D7446A46" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_9F492E44B8A0556A18A14033D7446A46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_AA53BDE4B5B769EA12F84033D745A9DF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_AA53BDE4B5B769EA12F84033D745A9DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_9A950372BF7ACF66C5464033D74510D1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_8AFA71CC9250CBF712934033D743AC28" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_9A950372BF7ACF66C5464033D74510D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_AE0DF80A1241895029C54033D745D59C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:to="loc_us-gaap_HedgingDesignationAxis_AE0DF80A1241895029C54033D745D59C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_AE0DF80A1241895029C54033D745D59C" xlink:to="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_AE0DF80A1241895029C54033D745D59C" xlink:to="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_B431C5F9BB8926BF0D514033D7454366" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_B431C5F9BB8926BF0D514033D7454366" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_5BCF10EB53094A71D9424033D745A27C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_33EF64436D728C5A69D74033D7453FC4" xlink:to="loc_us-gaap_NondesignatedMember_5BCF10EB53094A71D9424033D745A27C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_E535DD5173F80C5DB6684033D745DFFD" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_D00A8CB6B316D51AC7384033D7429573" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_E535DD5173F80C5DB6684033D745DFFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E535DD5173F80C5DB6684033D745DFFD" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E535DD5173F80C5DB6684033D745DFFD" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_0DBD1E70459B012387454033D746FDE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965" xlink:to="loc_us-gaap_ForeignExchangeContractMember_0DBD1E70459B012387454033D746FDE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_902B19E20FD4D78E59CC4033D746567B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3B9B2874DA536D8414634033D7467965" xlink:to="loc_us-gaap_InterestRateContractMember_902B19E20FD4D78E59CC4033D746567B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_7E6AB5153049D8D632CC4033D7479359" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1E36FFFA59FFE3A7212C4033D74764DF" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_7E6AB5153049D8D632CC4033D7479359" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_0D3227EF7F2335E1D7204033D74791ED" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_7E6AB5153049D8D632CC4033D7479359" xlink:to="loc_us-gaap_DerivativeAssets_0D3227EF7F2335E1D7204033D74791ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_DBCB7C8D1EE602A088554033D747BD25" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_7E6AB5153049D8D632CC4033D7479359" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_DBCB7C8D1EE602A088554033D747BD25" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract" xlink:label="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_DE645A2A40C4B46306034033D74790C2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1E36FFFA59FFE3A7212C4033D74764DF" xlink:to="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_DE645A2A40C4B46306034033D74790C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_00BBFC7D17DD1018EE044033D748863F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_DE645A2A40C4B46306034033D74790C2" xlink:to="loc_us-gaap_DerivativeLiabilities_00BBFC7D17DD1018EE044033D748863F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_AccruedLiabilitiesFairValueDisclosure_4923AB8071092FBD3B7C4033D7486FC4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_DE645A2A40C4B46306034033D74790C2" xlink:to="loc_us-gaap_AccruedLiabilitiesFairValueDisclosure_4923AB8071092FBD3B7C4033D7486FC4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_27E5EF13F1C0B54BBAD54033D7485ED5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialLiabilitiesFairValueDisclosureAbstract_DE645A2A40C4B46306034033D74790C2" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_27E5EF13F1C0B54BBAD54033D7485ED5" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_42F0495623199D33488A4033D75C750E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_42F0495623199D33488A4033D75C750E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_42F0495623199D33488A4033D75C750E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_42F0495623199D33488A4033D75C750E" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_4CA0B329143C48F6624B4033D75C4D0B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_4CA0B329143C48F6624B4033D75C4D0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_55C53E1ED4F8050AB2CB4033D75DB482" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_EC207302DF977C68A2CB4033D75C78B5" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_55C53E1ED4F8050AB2CB4033D75DB482" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_49D80620373026702E604033D75DE82A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_49D80620373026702E604033D75DE82A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_49D80620373026702E604033D75DE82A" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_49D80620373026702E604033D75DE82A" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_9439D56AD068C265ADC64033D75D5296" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_9439D56AD068C265ADC64033D75D5296" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_494F8AB5B2408D4ADF554033D75DF10A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_9BAEAFAE727D29B8CC2E4033D75D34C5" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_494F8AB5B2408D4ADF554033D75DF10A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_074C55B80AC92BEB3D524033D75E1D88" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_074C55B80AC92BEB3D524033D75E1D88" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_DE63B4C44595E288F9AA4033D75E1814_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_074C55B80AC92BEB3D524033D75E1D88" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_DE63B4C44595E288F9AA4033D75E1814_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_DE63B4C44595E288F9AA4033D75E1814" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_074C55B80AC92BEB3D524033D75E1D88" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_DE63B4C44595E288F9AA4033D75E1814" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConvertibleDebtSecuritiesMember" xlink:label="loc_us-gaap_ConvertibleDebtSecuritiesMember_3E88767869D3C6AF1CA94033D75E8D5B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_DE63B4C44595E288F9AA4033D75E1814" xlink:to="loc_us-gaap_ConvertibleDebtSecuritiesMember_3E88767869D3C6AF1CA94033D75E8D5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_827FE6DCDFB4E2883A324033D75EEBDB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_827FE6DCDFB4E2883A324033D75EEBDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_827FE6DCDFB4E2883A324033D75EEBDB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_827FE6DCDFB4E2883A324033D75EEBDB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_A2068B91B69DA32E19DC4033D75EA7BD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_A2068B91B69DA32E19DC4033D75EA7BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_463DFFF2DC0B727A42C54033D75FB98F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FAD8C0088C8B16C3F63E4033D75E207B" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_463DFFF2DC0B727A42C54033D75FB98F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_674CF00722D6259701F74033D75F78CF" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_B3E68A657D1DA91BA5B44033D75CBB7D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_674CF00722D6259701F74033D75F78CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_760A4F8CBDFFB206D0694033D75FBCF4_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_674CF00722D6259701F74033D75F78CF" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_760A4F8CBDFFB206D0694033D75FBCF4_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_760A4F8CBDFFB206D0694033D75FBCF4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_674CF00722D6259701F74033D75F78CF" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_760A4F8CBDFFB206D0694033D75FBCF4" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EquipmentSoftwareFurnitureAndFixturesMember" xlink:label="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_A8B1A0C9F4C708BDE61B4033D75FFEEC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_760A4F8CBDFFB206D0694033D75FBCF4" xlink:to="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_A8B1A0C9F4C708BDE61B4033D75FFEEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_CDE6947AE0B364FFF95A4033D760DC3D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_AvailableForSaleSecurities_CDE6947AE0B364FFF95A4033D760DC3D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities_A971E1CA1EB309E0AD164033D760BEC3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities_A971E1CA1EB309E0AD164033D760BEC3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment" xlink:label="loc_us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_83BCE07432483184B92B4033D760D255" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_CostmethodInvestmentsOtherThanTemporaryImpairment_83BCE07432483184B92B4033D760D255" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_ED6CDCF6B47B0954C0E84033D760AC6A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_Goodwill_ED6CDCF6B47B0954C0E84033D760AC6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_020ED67CAC99289145BC4033D7607E5E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_020ED67CAC99289145BC4033D7607E5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss" xlink:label="loc_us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss_BCAB215BD0BBE0576F7B4033D760A740" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAmountOfImpairmentLoss_BCAB215BD0BBE0576F7B4033D760A740" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_6196263161E3C84B55044033D761EED3" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01DC2FEBAE6231D5713B4033D75FA49A" xlink:to="loc_us-gaap_LongTermDebt_6196263161E3C84B55044033D761EED3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsDebtMaturityScheduleDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsLongTermDebtOutstandingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_14E25404BE2C19EA9E713A131FD51E37" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:to="loc_us-gaap_DebtInstrumentTable_14E25404BE2C19EA9E713A131FD51E37" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_A02C35240A4A807AC0DB3A131FD59990" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_14E25404BE2C19EA9E713A131FD51E37" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_A02C35240A4A807AC0DB3A131FD59990" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_69EC875C868E0019F0A13A131FD5D379_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A02C35240A4A807AC0DB3A131FD59990" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_69EC875C868E0019F0A13A131FD5D379_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_69EC875C868E0019F0A13A131FD5D379" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_A02C35240A4A807AC0DB3A131FD59990" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_69EC875C868E0019F0A13A131FD5D379" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_157C4D190CECE5ABE71F3A131FD5FB2B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_69EC875C868E0019F0A13A131FD5D379" xlink:to="loc_us-gaap_LoansPayableMember_157C4D190CECE5ABE71F3A131FD5FB2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_0D03F21D7DF638B589323A131FD51C99" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_14E25404BE2C19EA9E713A131FD51E37" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_0D03F21D7DF638B589323A131FD51C99" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_0D03F21D7DF638B589323A131FD51C99" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_0D03F21D7DF638B589323A131FD51C99" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EuropeanInvestmentBankMember" xlink:label="loc_livn_EuropeanInvestmentBankMember_C5D7554E1BD68D6820583A131FD582F9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_EuropeanInvestmentBankMember_C5D7554E1BD68D6820583A131FD582F9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_UnicreditAGNewYorkMember" xlink:label="loc_livn_UnicreditAGNewYorkMember_CEC45DD948E25862146E3A131FD5FFD9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_UnicreditAGNewYorkMember_CEC45DD948E25862146E3A131FD5FFD9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BancadelMezzogiornoMember" xlink:label="loc_livn_BancadelMezzogiornoMember_B677C5C9609DFE1536193A131FD5F6FE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_BancadelMezzogiornoMember_B677C5C9609DFE1536193A131FD5F6FE" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BpifranceMember" xlink:label="loc_livn_BpifranceMember_A8E68EB88C83977442093A131FD529C9" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_BpifranceMember_A8E68EB88C83977442093A131FD529C9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BancaRegionaleEuropeaMember" xlink:label="loc_livn_BancaRegionaleEuropeaMember_26F1CF7AEC16F6FA46E23A131FD5B93D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_BancaRegionaleEuropeaMember_26F1CF7AEC16F6FA46E23A131FD5B93D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NovaliaSAMember" xlink:label="loc_livn_NovaliaSAMember_5A941B7D638E5618BF563A14685022DF" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_NovaliaSAMember_5A941B7D638E5618BF563A14685022DF" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MediocreditoItalianoMember" xlink:label="loc_livn_MediocreditoItalianoMember_0C35ECE1B510900557A53A131FD5471D" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_18C226DFC06DFA5700AD3A131FD54792" xlink:to="loc_livn_MediocreditoItalianoMember_0C35ECE1B510900557A53A131FD5471D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_FE98C8E20F9A70A8D8143A131FD56280" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_14E25404BE2C19EA9E713A131FD51E37" xlink:to="loc_us-gaap_RangeAxis_FE98C8E20F9A70A8D8143A131FD56280" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_FE98C8E20F9A70A8D8143A131FD56280" xlink:to="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_FE98C8E20F9A70A8D8143A131FD56280" xlink:to="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_2F3E37890E07DECA7E0A3A131FD54E4F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE" xlink:to="loc_us-gaap_MinimumMember_2F3E37890E07DECA7E0A3A131FD54E4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_C785A249F7050A205C633A131FD5F845" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_49DE640FE5DB23F13D883A131FD58CFE" xlink:to="loc_us-gaap_MaximumMember_C785A249F7050A205C633A131FD5F845" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_1292CAC32755B736C03E3A131FD5EAD6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_1292CAC32755B736C03E3A131FD5EAD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_518D506EDBA2EF431A5C3A131FD57231" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:to="loc_us-gaap_LongTermDebtCurrent_518D506EDBA2EF431A5C3A131FD57231" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_BEC04549FF91CA0E7D8C3A131FD515BE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_BEC04549FF91CA0E7D8C3A131FD515BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BC86150DD8C742BAB65D3A131FD54769" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_FC1C1E6978926A7730F43A131FD5C1CE" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_BC86150DD8C742BAB65D3A131FD54769" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_20B3B13A0ACC3547A9B23A2C5AAD9A65" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_20B3B13A0ACC3547A9B23A2C5AAD9A65" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F092C4448946CDBF30283A2C5AAD14F8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_20B3B13A0ACC3547A9B23A2C5AAD9A65" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F092C4448946CDBF30283A2C5AAD14F8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F092C4448946CDBF30283A2C5AAD14F8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_20B3B13A0ACC3547A9B23A2C5AAD9A65" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F092C4448946CDBF30283A2C5AAD14F8" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_035DD74721D49F3F1B903A2C5AAD6F53" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_F092C4448946CDBF30283A2C5AAD14F8" xlink:to="loc_livn_MergerAgreementMember_035DD74721D49F3F1B903A2C5AAD6F53" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_406A4C3C50DC102C33523A2C5AADB10D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_406A4C3C50DC102C33523A2C5AADB10D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_406A4C3C50DC102C33523A2C5AADB10D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_406A4C3C50DC102C33523A2C5AADB10D" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgagesMember" xlink:label="loc_us-gaap_MortgagesMember_40D496DDFB3E2E7AF2803A2C5AAD5D77" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:to="loc_us-gaap_MortgagesMember_40D496DDFB3E2E7AF2803A2C5AAD5D77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_3049AE8F4799B8181DD23A2C5AAD9E71" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:to="loc_us-gaap_LoansPayableMember_3049AE8F4799B8181DD23A2C5AAD9E71" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TermLoanMember" xlink:label="loc_livn_TermLoanMember_0B0283E462D246EFA1C63A2C5AAD32CA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:to="loc_livn_TermLoanMember_0B0283E462D246EFA1C63A2C5AAD32CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_BC222D22EA8EBC81DD963A2C5AAD674A" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_C13D1BD5B47BFF4924203A2C5AADDA40" xlink:to="loc_us-gaap_LineOfCreditMember_BC222D22EA8EBC81DD963A2C5AAD674A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_4690C5EAEB549A47D7593A2C5AADEF8D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_4690C5EAEB549A47D7593A2C5AADEF8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_8E7BF43A4E1393C1A63D3A2C5AAD2B04_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_4690C5EAEB549A47D7593A2C5AADEF8D" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_8E7BF43A4E1393C1A63D3A2C5AAD2B04_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_8E7BF43A4E1393C1A63D3A2C5AAD2B04" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_4690C5EAEB549A47D7593A2C5AADEF8D" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_8E7BF43A4E1393C1A63D3A2C5AAD2B04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayableToBanksMember" xlink:label="loc_us-gaap_NotesPayableToBanksMember_79F41736B42E3DAE10A33A2C5AAD1B0D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_8E7BF43A4E1393C1A63D3A2C5AAD2B04" xlink:to="loc_us-gaap_NotesPayableToBanksMember_79F41736B42E3DAE10A33A2C5AAD1B0D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_34E0F4C64B5128645F313A2C5AADCE31" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_CreditFacilityAxis_34E0F4C64B5128645F313A2C5AADCE31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_381328B713793477FB763A2C5AAD54FC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_34E0F4C64B5128645F313A2C5AADCE31" xlink:to="loc_us-gaap_CreditFacilityDomain_381328B713793477FB763A2C5AAD54FC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_381328B713793477FB763A2C5AAD54FC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_34E0F4C64B5128645F313A2C5AADCE31" xlink:to="loc_us-gaap_CreditFacilityDomain_381328B713793477FB763A2C5AAD54FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_C5F747977CD4158C9D093A2C5AADB6E0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_381328B713793477FB763A2C5AAD54FC" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_C5F747977CD4158C9D093A2C5AADB6E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_03AAC2B3F518D1C082713A2C5AADB60F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_03AAC2B3F518D1C082713A2C5AADB60F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_03AAC2B3F518D1C082713A2C5AADB60F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_03AAC2B3F518D1C082713A2C5AADB60F" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EuropeanInvestmentBankMember" xlink:label="loc_livn_EuropeanInvestmentBankMember_5BAD87B6E1F47BB211673A2C5AAD1819" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_EuropeanInvestmentBankMember_5BAD87B6E1F47BB211673A2C5AAD1819" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BancaRegionaleEuropeaMember" xlink:label="loc_livn_BancaRegionaleEuropeaMember_287C6AE6915F0E0827F73A2C5AADF1F6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_BancaRegionaleEuropeaMember_287C6AE6915F0E0827F73A2C5AADF1F6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CassaDepositiePrestitiMember" xlink:label="loc_livn_CassaDepositiePrestitiMember_AF9363075B19A8C60BA13A2C5AADE3A9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_CassaDepositiePrestitiMember_AF9363075B19A8C60BA13A2C5AADE3A9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_GECapitalInterbancaMember" xlink:label="loc_livn_GECapitalInterbancaMember_3B6C74726A29DF87906A3A2C5AAD069D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_GECapitalInterbancaMember_3B6C74726A29DF87906A3A2C5AAD069D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BpifranceMember" xlink:label="loc_livn_BpifranceMember_559D2B3EA3E621C9AE293A2C5AAD3746" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_BpifranceMember_559D2B3EA3E621C9AE293A2C5AAD3746" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MediocreditoItalianoMember" xlink:label="loc_livn_MediocreditoItalianoMember_B6774F6DD67104EDB6E43A2C5AADCFCB" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_MediocreditoItalianoMember_B6774F6DD67104EDB6E43A2C5AADCFCB" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NovaliaSAMember" xlink:label="loc_livn_NovaliaSAMember_9B77B3BCD14A45BD071F3A2C5AAD167E" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_NovaliaSAMember_9B77B3BCD14A45BD071F3A2C5AAD167E" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IntesaSaoPaoloBankMember" xlink:label="loc_livn_IntesaSaoPaoloBankMember_3681BE6BEC76409E89373A2C5AAD0D9D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_IntesaSaoPaoloBankMember_3681BE6BEC76409E89373A2C5AAD0D9D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BNLBNPParibasMember" xlink:label="loc_livn_BNLBNPParibasMember_2CDC4DE55F6CC189B6AD3A2C5AAD5D0A" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_BNLBNPParibasMember_2CDC4DE55F6CC189B6AD3A2C5AAD5D0A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_UnicreditBancaMember" xlink:label="loc_livn_UnicreditBancaMember_E0A57F6B4279BB1AE9803A2C5AAD4A64" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_UnicreditBancaMember_E0A57F6B4279BB1AE9803A2C5AAD4A64" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BNPParibasMember" xlink:label="loc_livn_BNPParibasMember_431740A608FE1936A2DD3A2C5AADED3A" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_43898E78C47C7631E7303A2C5AADF42F" xlink:to="loc_livn_BNPParibasMember_431740A608FE1936A2DD3A2C5AADED3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_A11FCEF4EABE9602BA033A2C5AAD5674" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_DebtInstrumentAxis_A11FCEF4EABE9602BA033A2C5AAD5674" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_A11FCEF4EABE9602BA033A2C5AAD5674" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_A11FCEF4EABE9602BA033A2C5AAD5674" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LargeStrategicProjectProgramMember" xlink:label="loc_livn_LargeStrategicProjectProgramMember_5E2C0990873EBCDF5C9A3A2C5AADFF36" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF" xlink:to="loc_livn_LargeStrategicProjectProgramMember_5E2C0990873EBCDF5C9A3A2C5AADFF36" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinLoansMember" xlink:label="loc_livn_SorinLoansMember_27E792CC051E1B07B3AD3A2C5AADD0F2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF" xlink:to="loc_livn_SorinLoansMember_27E792CC051E1B07B3AD3A2C5AADD0F2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherShortTermDebtFacilitiesMember" xlink:label="loc_livn_OtherShortTermDebtFacilitiesMember_1CBE4B2C4F3AC428E8F83A2C5AADF6F1" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_DF5BFE93F01EE344C14D3A2C5AAD29EF" xlink:to="loc_livn_OtherShortTermDebtFacilitiesMember_1CBE4B2C4F3AC428E8F83A2C5AADF6F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_056BA217B1CBB958E8133A2C5AADB887" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_dei_LegalEntityAxis_056BA217B1CBB958E8133A2C5AADB887" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5B140AA9BDEDD52094113A2C5AAD7DE2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_056BA217B1CBB958E8133A2C5AADB887" xlink:to="loc_dei_EntityDomain_5B140AA9BDEDD52094113A2C5AAD7DE2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5B140AA9BDEDD52094113A2C5AAD7DE2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_056BA217B1CBB958E8133A2C5AADB887" xlink:to="loc_dei_EntityDomain_5B140AA9BDEDD52094113A2C5AAD7DE2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_4F3E5349DDB0186FCBB23A2C5AAD6FF6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5B140AA9BDEDD52094113A2C5AAD7DE2" xlink:to="loc_livn_SorinS.p.A.Member_4F3E5349DDB0186FCBB23A2C5AAD6FF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_ED6372CB2A79B8FD9D293A2C5AAD6856" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_BA39FAFB76EFEE8984723A2C5AADFB3F" xlink:to="loc_us-gaap_VariableRateAxis_ED6372CB2A79B8FD9D293A2C5AAD6856" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8E3602AB5AAF9B5DE2093A2C5AAD7F9C_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_ED6372CB2A79B8FD9D293A2C5AAD6856" xlink:to="loc_us-gaap_VariableRateDomain_8E3602AB5AAF9B5DE2093A2C5AAD7F9C_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_8E3602AB5AAF9B5DE2093A2C5AAD7F9C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_ED6372CB2A79B8FD9D293A2C5AAD6856" xlink:to="loc_us-gaap_VariableRateDomain_8E3602AB5AAF9B5DE2093A2C5AAD7F9C" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EuriborMember" xlink:label="loc_livn_EuriborMember_165D769B8432D5940D583A2C5AAD04CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_8E3602AB5AAF9B5DE2093A2C5AAD7F9C" xlink:to="loc_livn_EuriborMember_165D769B8432D5940D583A2C5AAD04CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_08FB64BDBFFE416999973A2C5AAD1B78" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_LongTermDebt_08FB64BDBFFE416999973A2C5AAD1B78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_ABC0FBAE5EE3666D82793A2C5AAD6A36" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_ABC0FBAE5EE3666D82793A2C5AAD6A36" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_5585BBA0A75AD8CFA06B3A2C5AADFEEB" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPaymentPrincipal_5585BBA0A75AD8CFA06B3A2C5AADFEEB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_C725510D15A36B2576D93A2C5AADEF47" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_C725510D15A36B2576D93A2C5AADEF47" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet" xlink:label="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_F347C3988C4FD4497ECF3A2C5AAD3F05" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_F347C3988C4FD4497ECF3A2C5AAD3F05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm_943A095DAF7206D667D23A2C5AAD70B7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentTerm_943A095DAF7206D667D23A2C5AAD70B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_A5A2020BC0D7B0C32D4E3A2C5AAD0A82" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_A5A2020BC0D7B0C32D4E3A2C5AAD0A82" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_435DF824A09D7ECCB72D3A2C5AAD231D" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_435DF824A09D7ECCB72D3A2C5AAD231D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_61ED3AB8BC6819855B9B3A2C5AADF410" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_61ED3AB8BC6819855B9B3A2C5AADF410" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_DebtInstrumentExtensionTerm" xlink:label="loc_livn_DebtInstrumentExtensionTerm_40392672F94FE1BBFB053A2C5AADD267" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_livn_DebtInstrumentExtensionTerm_40392672F94FE1BBFB053A2C5AADD267" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_FF2449F044DFBAA671193A2C5AADB787" xlink:type="locator" />
    <definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_FF2449F044DFBAA671193A2C5AADB787" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_DebtInstrumentNumberofLoans" xlink:label="loc_livn_DebtInstrumentNumberofLoans_5608CA7B90C4691066EA3A2C5AAD96B3" xlink:type="locator" />
    <definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_livn_DebtInstrumentNumberofLoans_5608CA7B90C4691066EA3A2C5AAD96B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_EAE21B54E2BEBE3D44773A2C5AAD5FBD" xlink:type="locator" />
    <definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_EAE21B54E2BEBE3D44773A2C5AAD5FBD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FA09AF767528097CACFA3A2C5AADD413" xlink:type="locator" />
    <definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FA09AF767528097CACFA3A2C5AADD413" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment_EE70A073F5D48B56ED373A2C5AAD378D" xlink:type="locator" />
    <definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_DebtInstrumentPeriodicPayment_EE70A073F5D48B56ED373A2C5AAD378D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_6E5659DFAA68A3FDCD033A2C5AADF44B" xlink:type="locator" />
    <definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_6E5659DFAA68A3FDCD033A2C5AADF44B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_0BFEBAF246D3DCB026D73A2C5AAD5812" xlink:type="locator" />
    <definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3207BFB5EE3F638500D13A2C5AAD7745" xlink:to="loc_us-gaap_ShortTermBorrowings_0BFEBAF246D3DCB026D73A2C5AAD5812" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsShortTermDebtOutstandingDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_3216CF7B2B406B14A5C83A075A825957" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_3216CF7B2B406B14A5C83A075A825957" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_80D2613C3D6953BF57C33A075A8260AE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_3216CF7B2B406B14A5C83A075A825957" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_80D2613C3D6953BF57C33A075A8260AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_80D2613C3D6953BF57C33A075A8260AE" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_80D2613C3D6953BF57C33A075A8260AE" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IntesaSaoPaoloBankMember" xlink:label="loc_livn_IntesaSaoPaoloBankMember_20746982160CED6EE4163A075A82615D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:to="loc_livn_IntesaSaoPaoloBankMember_20746982160CED6EE4163A075A82615D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BNLBNPParibasMember" xlink:label="loc_livn_BNLBNPParibasMember_B708097F925C5E6089A33A075A820D08" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:to="loc_livn_BNLBNPParibasMember_B708097F925C5E6089A33A075A820D08" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_UnicreditBancaMember" xlink:label="loc_livn_UnicreditBancaMember_53B35C00D4725A3ACA393A075A82464A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:to="loc_livn_UnicreditBancaMember_53B35C00D4725A3ACA393A075A82464A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BNPParibasMember" xlink:label="loc_livn_BNPParibasMember_DFEB9B28F1C71EF47F593A075A8299F8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:to="loc_livn_BNPParibasMember_DFEB9B28F1C71EF47F593A075A8299F8" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_FrenchGovernmentMember" xlink:label="loc_livn_FrenchGovernmentMember_785579A792A72E7D035D3A075A82F791" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3F58D041DF6CF3A218233A075A82F982" xlink:to="loc_livn_FrenchGovernmentMember_785579A792A72E7D035D3A075A82F791" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_C7DEC8C8DBB9AEFFDD2E3A075A828CD3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_3216CF7B2B406B14A5C83A075A825957" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_C7DEC8C8DBB9AEFFDD2E3A075A828CD3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_9686A24091153FC3EB703A075A82503A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_C7DEC8C8DBB9AEFFDD2E3A075A828CD3" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_9686A24091153FC3EB703A075A82503A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_9686A24091153FC3EB703A075A82503A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_C7DEC8C8DBB9AEFFDD2E3A075A828CD3" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_9686A24091153FC3EB703A075A82503A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_0494FE3E5FFBFF50CCB93A075A82B805" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_9686A24091153FC3EB703A075A82503A" xlink:to="loc_us-gaap_LoansPayableMember_0494FE3E5FFBFF50CCB93A075A82B805" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_565C82601C365E3FCCC43A075A82537B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_3216CF7B2B406B14A5C83A075A825957" xlink:to="loc_us-gaap_DebtInstrumentAxis_565C82601C365E3FCCC43A075A82537B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C3752D1E5A9A5C2C455E3A075A82E036_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_565C82601C365E3FCCC43A075A82537B" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C3752D1E5A9A5C2C455E3A075A82E036_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C3752D1E5A9A5C2C455E3A075A82E036" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_565C82601C365E3FCCC43A075A82537B" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C3752D1E5A9A5C2C455E3A075A82E036" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherShortTermDebtFacilitiesMember" xlink:label="loc_livn_OtherShortTermDebtFacilitiesMember_C33C31FABB035926B6B93A075A82CD4A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C3752D1E5A9A5C2C455E3A075A82E036" xlink:to="loc_livn_OtherShortTermDebtFacilitiesMember_C33C31FABB035926B6B93A075A82CD4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_AF5E382A7B375140F1CA3A075A820532" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_AF5E382A7B375140F1CA3A075A820532" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_7E712F2EA64187866BC73A075A824159" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_ShortTermBorrowings_7E712F2EA64187866BC73A075A824159" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_53D9703C2101B5D6214F3A075A822D77" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_LongTermDebtCurrent_53D9703C2101B5D6214F3A075A822D77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtCurrent" xlink:label="loc_us-gaap_DebtCurrent_3B4C9659E066D45504D13A075A82A96F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_DebtCurrent_3B4C9659E066D45504D13A075A82A96F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_E73433BBBADDABA0B7263A075A827F3C" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_DD16F7F3AC3744FEAB2B3A075A821C80" xlink:to="loc_us-gaap_LongTermDebt_E73433BBBADDABA0B7263A075A827F3C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/FinancingArrangementsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationGeographicAreasDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4705F373E0904897301C2E62C69F1478" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_2AAEF54910F8C2FF04F52E62C69E3899" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4705F373E0904897301C2E62C69F1478" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_2AAEF54910F8C2FF04F52E62C69E3899" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_4C1340E8CAC6B49E4F012E62C69EBD22" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_2AAEF54910F8C2FF04F52E62C69E3899" xlink:to="loc_us-gaap_StatementGeographicalAxis_4C1340E8CAC6B49E4F012E62C69EBD22" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_4C1340E8CAC6B49E4F012E62C69EBD22" xlink:to="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_4C1340E8CAC6B49E4F012E62C69EBD22" xlink:to="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_63A82AE2C1B90C4513D52E62C69FF465" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B" xlink:to="loc_country_US_63A82AE2C1B90C4513D52E62C69FF465" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EuropeMember" xlink:label="loc_us-gaap_EuropeMember_8C591CD6FB195A033BA82E62C69FECB9" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B" xlink:to="loc_us-gaap_EuropeMember_8C591CD6FB195A033BA82E62C69FECB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_GB" xlink:label="loc_country_GB_8F15FB71ECAAC5D28F1D2E62C69F31E1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EuropeMember_8C591CD6FB195A033BA82E62C69FECB9" xlink:to="loc_country_GB_8F15FB71ECAAC5D28F1D2E62C69F31E1" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NonU.S.andEuropeMember" xlink:label="loc_livn_NonU.S.andEuropeMember_00DEB3CF59DDC7BF6A312E62C69FDA93" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_85AC78C26D118E1972FD2E62C69E8C1B" xlink:to="loc_livn_NonU.S.andEuropeMember_00DEB3CF59DDC7BF6A312E62C69FDA93" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NumberofGeographicRegionsinwhichEntityOperates" xlink:label="loc_livn_NumberofGeographicRegionsinwhichEntityOperates_9E5540BB9C31C8FE43F62E62C69F8CF2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4705F373E0904897301C2E62C69F1478" xlink:to="loc_livn_NumberofGeographicRegionsinwhichEntityOperates_9E5540BB9C31C8FE43F62E62C69F8CF2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_750E26B48817DE4776D52E62C69F3278" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4705F373E0904897301C2E62C69F1478" xlink:to="loc_us-gaap_SalesRevenueNet_750E26B48817DE4776D52E62C69F3278" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_A5A59BEF9AB274A76C7F2E62C69F7F0C" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_4705F373E0904897301C2E62C69F1478" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_A5A59BEF9AB274A76C7F2E62C69F7F0C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationSegmentInfoDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_BA23DA9B5D963377B5E83935111BE1B8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_BA23DA9B5D963377B5E83935111BE1B8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_472502C8080AEC0C1E423935111B827A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_BA23DA9B5D963377B5E83935111BE1B8" xlink:to="loc_us-gaap_ConsolidationItemsAxis_472502C8080AEC0C1E423935111B827A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_472502C8080AEC0C1E423935111B827A" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_472502C8080AEC0C1E423935111B827A" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_582F3F2FCC15DED10FF23935111B0BAA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7" xlink:to="loc_us-gaap_OperatingSegmentsMember_582F3F2FCC15DED10FF23935111B0BAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_D63927EB775BE506D2F63935111BA61D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B4EC24DB5ACC947CB4873935111B6DF7" xlink:to="loc_us-gaap_CorporateNonSegmentMember_D63927EB775BE506D2F63935111BA61D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_532EECF85F9E283135503935111BEC3F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_BA23DA9B5D963377B5E83935111BE1B8" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_532EECF85F9E283135503935111BEC3F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_532EECF85F9E283135503935111BEC3F" xlink:to="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_532EECF85F9E283135503935111BEC3F" xlink:to="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CardiacSurgeryMember" xlink:label="loc_livn_CardiacSurgeryMember_361CB233EAE18B49721A393511204A90" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:to="loc_livn_CardiacSurgeryMember_361CB233EAE18B49721A393511204A90" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CardiacRhythmManagementMember" xlink:label="loc_livn_CardiacRhythmManagementMember_2B8036EAA77C3E6E60F93935112173D3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:to="loc_livn_CardiacRhythmManagementMember_2B8036EAA77C3E6E60F93935112173D3" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NeuromodulationMember" xlink:label="loc_livn_NeuromodulationMember_6984833C6530F7344E2739351121F0E6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:to="loc_livn_NeuromodulationMember_6984833C6530F7344E2739351121F0E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="loc_us-gaap_CorporateAndOtherMember_2DB1764F2F750E3B5A2D39351121FE1E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_AAB282F2027C7DCDFA513935111BACD6" xlink:to="loc_us-gaap_CorporateAndOtherMember_2DB1764F2F750E3B5A2D39351121FE1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_87D4DAD2FCF1FF465767393511218AD9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_SalesRevenueNet_87D4DAD2FCF1FF465767393511218AD9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_E4ABBEE497B3E2C4E0A2393511219B92" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_livn_IncomeLossfromReportableSegmentsbeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_E4ABBEE497B3E2C4E0A2393511219B92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_683759500736BB40667D393511217DD9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_683759500736BB40667D393511217DD9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IntegrationExpenses" xlink:label="loc_livn_IntegrationExpenses_2016EF47917AD40C3F58393511210E6F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_livn_IntegrationExpenses_2016EF47917AD40C3F58393511210E6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_BA7611C86B6EBC977F5739351121C8A9" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_RestructuringCharges_BA7611C86B6EBC977F5739351121C8A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossRelatedToLitigationSettlement" xlink:label="loc_us-gaap_GainLossRelatedToLitigationSettlement_5F18F5AF1C0A9408D7E339351121083A" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_GainLossRelatedToLitigationSettlement_5F18F5AF1C0A9408D7E339351121083A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_3D4A97839FA06D10FB8D39351121BCA7" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_OperatingIncomeLoss_3D4A97839FA06D10FB8D39351121BCA7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_C0154346F3F7EC715B8A3935112101C6" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_Assets_C0154346F3F7EC715B8A3935112101C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_B5773D49E1734B4C24C639351121849E" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_B5773D49E1734B4C24C639351121849E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions_613D86EE3091BA25B4113935112157D0" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_65AE3E3A84E37789E37739351121B066" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAdditions_613D86EE3091BA25B4113935112157D0" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GeographicAndSegmentInformationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsAmortizationPeriodsForFiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_976D01202C234D20E5D62E89750C78DA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6BC3D9A12F09051F225D2E89750918E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_976D01202C234D20E5D62E89750C78DA" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6BC3D9A12F09051F225D2E89750918E6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_953B2DDCE7A52FB5D2612E89750A1F4F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6BC3D9A12F09051F225D2E89750918E6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_953B2DDCE7A52FB5D2612E89750A1F4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_953B2DDCE7A52FB5D2612E89750A1F4F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_953B2DDCE7A52FB5D2612E89750A1F4F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_F8DE75897B20699527452E8A5B51BC9D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_F8DE75897B20699527452E8A5B51BC9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_667D664C3DF370C50C152E8A9106C37C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:to="loc_us-gaap_CustomerRelationshipsMember_667D664C3DF370C50C152E8A9106C37C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_781941DB087663ADED422E8AE2FDDC72" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_781941DB087663ADED422E8AE2FDDC72" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_95042C1A1B74B87DC4882E8B2C48BB5E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C6B5A9B8EF3605DB36582E89750A676A" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_95042C1A1B74B87DC4882E8B2C48BB5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_B6A675B582F07ED24F7D2E89750B8029" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_6BC3D9A12F09051F225D2E89750918E6" xlink:to="loc_us-gaap_RangeAxis_B6A675B582F07ED24F7D2E89750B8029" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_B6A675B582F07ED24F7D2E89750B8029" xlink:to="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_B6A675B582F07ED24F7D2E89750B8029" xlink:to="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_E6E5BD3B6BFA902C87712E8B561F031B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02" xlink:to="loc_us-gaap_MinimumMember_E6E5BD3B6BFA902C87712E8B561F031B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A92E704CA3026BA3BCA62E8B80D92453" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_CD4A316AADC93312584E2E89750B2F02" xlink:to="loc_us-gaap_MaximumMember_A92E704CA3026BA3BCA62E8B80D92453" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_41043DAA881FBF2C7BD52E8D33725414" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_976D01202C234D20E5D62E89750C78DA" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_41043DAA881FBF2C7BD52E8D33725414" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsDetailOfIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_423E6A8608A159293A9C2EA39531B7B3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_CCCE3968FD7E9767BE8F2EA39531CD04" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_423E6A8608A159293A9C2EA39531B7B3" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_CCCE3968FD7E9767BE8F2EA39531CD04" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5F227DB7B6589F4922E92EA39531C2C6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_CCCE3968FD7E9767BE8F2EA39531CD04" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5F227DB7B6589F4922E92EA39531C2C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5F227DB7B6589F4922E92EA39531C2C6" xlink:to="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5F227DB7B6589F4922E92EA39531C2C6" xlink:to="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NeuromodulationMember" xlink:label="loc_livn_NeuromodulationMember_BFB76E6FCBDE3E70910B2EA41061F8AA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820" xlink:to="loc_livn_NeuromodulationMember_BFB76E6FCBDE3E70910B2EA41061F8AA" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CardiacSurgeryMember" xlink:label="loc_livn_CardiacSurgeryMember_00CE4E1CCA05E8A255E72EA4472024F8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820" xlink:to="loc_livn_CardiacSurgeryMember_00CE4E1CCA05E8A255E72EA4472024F8" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CardiacRhythmManagementMember" xlink:label="loc_livn_CardiacRhythmManagementMember_C98282C7E8FF730C973F2EA46C5BA0D5" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3F847B075758DD051BB52EA395311820" xlink:to="loc_livn_CardiacRhythmManagementMember_C98282C7E8FF730C973F2EA46C5BA0D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_423E6A8608A159293A9C2EA39531B7B3" xlink:to="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_C4279218B48A073ACFB62EA59EC3D91E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:to="loc_us-gaap_Goodwill_C4279218B48A073ACFB62EA59EC3D91E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_2191EBF6DC0F7B8EDE202EA778666A92" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_2191EBF6DC0F7B8EDE202EA778666A92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillOtherChanges" xlink:label="loc_us-gaap_GoodwillOtherChanges_00A7E88087A91C8398752EA95172D5AF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:to="loc_us-gaap_GoodwillOtherChanges_00A7E88087A91C8398752EA95172D5AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_94893259625749FE10D02EA8573D94D1" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_94893259625749FE10D02EA8573D94D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_95EF5D612B4007A98B992EA7E951FCC7" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_28173BABF3D4B2B383EF2EA688794179" xlink:to="loc_us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_95EF5D612B4007A98B992EA7E951FCC7" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsEstimatedFutureAmortizationExpenseDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsFiniteLivedAndIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0A9A1EB3CB0F68B9525F2F7C95307908" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0A9A1EB3CB0F68B9525F2F7C95307908" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_467DE92FEBA109A6FB662F7C95308A5A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_0A9A1EB3CB0F68B9525F2F7C95307908" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_467DE92FEBA109A6FB662F7C95308A5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_467DE92FEBA109A6FB662F7C95308A5A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_467DE92FEBA109A6FB662F7C95308A5A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_A5CAF48FDA573D7B59502F7C9530CA39" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_A5CAF48FDA573D7B59502F7C9530CA39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_32EA7A5E34EBBBD82BD62F7C9530643E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:to="loc_us-gaap_CustomerRelationshipsMember_32EA7A5E34EBBBD82BD62F7C9530643E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_BCD3ADAF428C2E4B2F212F7C95305094" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_BCD3ADAF428C2E4B2F212F7C95305094" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_22613F7B816710883BCC2F7C953020C3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6047AA821B226D3CF5892F7C9530FC16" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_22613F7B816710883BCC2F7C953020C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2C3789BA5CCDF4CF6AD52F7C95300458" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2C3789BA5CCDF4CF6AD52F7C95300458" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01B5003808728517BACB2F7C9530143C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01B5003808728517BACB2F7C9530143C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_BD14B924B22AF6A87C982F7C9530272B" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_BD14B924B22AF6A87C982F7C9530272B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_7279C531B15BE048EEB62F7C9530FAFA" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_33BFBC7093CDC43424B32F7C95309CC3" xlink:to="loc_us-gaap_Goodwill_7279C531B15BE048EEB62F7C9530FAFA" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_38401348F76A5FE9F1763D5BF0CDF6E5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_38401348F76A5FE9F1763D5BF0CDF6E5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9DC351514E5125D557CB3D5BF0CD0C71" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_38401348F76A5FE9F1763D5BF0CDF6E5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9DC351514E5125D557CB3D5BF0CD0C71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9DC351514E5125D557CB3D5BF0CD0C71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9DC351514E5125D557CB3D5BF0CD0C71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PatentsMember" xlink:label="loc_us-gaap_PatentsMember_01E00E0B1813761C747B3D5BF0CD43EB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:to="loc_us-gaap_PatentsMember_01E00E0B1813761C747B3D5BF0CD43EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_C6CFD127CDA5BED1E36A3D5BF0CDC536" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:to="loc_us-gaap_CustomerRelationshipsMember_C6CFD127CDA5BED1E36A3D5BF0CDC536" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_C6BF2E3F281F437314473D5BF0CD909A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_C6BF2E3F281F437314473D5BF0CD909A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_0A872F6A37CE3BB634933D5BF0CDDAEB" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:to="loc_us-gaap_TradeNamesMember_0A872F6A37CE3BB634933D5BF0CDDAEB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_4E32A33FD43FCA9714F73D5BF0CD652F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3E1AD39C083BE2A4A3B73D5BF0CDE66A" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_4E32A33FD43FCA9714F73D5BF0CD652F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_F007E338F0A94CB54A593D5BF0CE083E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_F007E338F0A94CB54A593D5BF0CE083E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FE7ED718A3B821D0D6D43D5BF0CE649F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_FE7ED718A3B821D0D6D43D5BF0CE649F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_124754844B70D82AB22A3D5BF0CE381D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_124754844B70D82AB22A3D5BF0CE381D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_7367F48E50D496441F903D5BF0CEA652" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_7367F48E50D496441F903D5BF0CEA652" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_1D5F04210F8F208D69423D5BF0CE629F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_Goodwill_1D5F04210F8F208D69423D5BF0CE629F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_92124C7C5CFE0FA38CC73D5BF0CE4E2C" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_D7531A525B375077B0103D5BF0CD5C67" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_92124C7C5CFE0FA38CC73D5BF0CE4E2C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShare" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_677D048518E50B117CA0242325B2D151" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4F88220DF0A01FF5ACD6242325B14B7A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_677D048518E50B117CA0242325B2D151" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4F88220DF0A01FF5ACD6242325B14B7A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_EB5265F3A95A01B53DDA242325B224CF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_4F88220DF0A01FF5ACD6242325B14B7A" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_EB5265F3A95A01B53DDA242325B224CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_EB5265F3A95A01B53DDA242325B224CF" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_EB5265F3A95A01B53DDA242325B224CF" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OrdinarySharesMember" xlink:label="loc_livn_OrdinarySharesMember_35EBC7BCB0F83C0AF9E72481E1F0B787" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28" xlink:to="loc_livn_OrdinarySharesMember_35EBC7BCB0F83C0AF9E72481E1F0B787" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedStockOptionAwardsMember" xlink:label="loc_livn_ServiceBasedStockOptionAwardsMember_087553DF2FF74B389005242325B29EEF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_9E9CF5E8822554872FA4242325B2FA28" xlink:to="loc_livn_ServiceBasedStockOptionAwardsMember_087553DF2FF74B389005242325B29EEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4A42CADE3CB4FAD7E85A242325B22CA9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_677D048518E50B117CA0242325B2D151" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4A42CADE3CB4FAD7E85A242325B22CA9" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomePerShareTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxes" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesComponentsAndProvisionForIncomeTaxesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_FDE2576BD8ACD11B5A8F3D5BEE631620" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_FDE2576BD8ACD11B5A8F3D5BEE631620" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8688DCE89039DE0672DB3D5BEE631C4A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FDE2576BD8ACD11B5A8F3D5BEE631620" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8688DCE89039DE0672DB3D5BEE631C4A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8688DCE89039DE0672DB3D5BEE631C4A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FDE2576BD8ACD11B5A8F3D5BEE631620" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8688DCE89039DE0672DB3D5BEE631C4A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_97E912D75FB2540641F23D5BEE63AD77" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_8688DCE89039DE0672DB3D5BEE631C4A" xlink:to="loc_livn_MergerAgreementMember_97E912D75FB2540641F23D5BEE63AD77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:label="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_27103F0EEEBF94E15C9C3D5BEE63B9DD" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:to="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_27103F0EEEBF94E15C9C3D5BEE63B9DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_4D2846013E70CEF3196A3D5BEE6325EC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_27103F0EEEBF94E15C9C3D5BEE63B9DD" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_4D2846013E70CEF3196A3D5BEE6325EC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetDomain" xlink:label="loc_us-gaap_DeferredTaxAssetDomain_4D2846013E70CEF3196A3D5BEE6325EC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_27103F0EEEBF94E15C9C3D5BEE63B9DD" xlink:to="loc_us-gaap_DeferredTaxAssetDomain_4D2846013E70CEF3196A3D5BEE6325EC" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_NetOperatingLossandCapitalLossCarryforwardsMember" xlink:label="loc_livn_NetOperatingLossandCapitalLossCarryforwardsMember_5F214E7E1F138C102A9F3D5BEE632595" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetDomain_4D2846013E70CEF3196A3D5BEE6325EC" xlink:to="loc_livn_NetOperatingLossandCapitalLossCarryforwardsMember_5F214E7E1F138C102A9F3D5BEE632595" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_1D9AD0562C182647BD713D5BEE64CEC2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_1D9AD0562C182647BD713D5BEE64CEC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_1D9AD0562C182647BD713D5BEE64CEC2" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_1D9AD0562C182647BD713D5BEE64CEC2" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember_C66F511FA451309C83173D5BEE64B88B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:to="loc_us-gaap_DomesticCountryMember_C66F511FA451309C83173D5BEE64B88B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_1B21974A607C4D7277AE3D5BEE649AAA" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_1B21974A607C4D7277AE3D5BEE649AAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CanadaRevenueAgencyMember" xlink:label="loc_us-gaap_CanadaRevenueAgencyMember_557F2BFDAEA7541B09E53D5BEE64DBEE" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:to="loc_us-gaap_CanadaRevenueAgencyMember_557F2BFDAEA7541B09E53D5BEE64DBEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember" xlink:label="loc_us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember_51A7C8568B084296A09C3D5BEE642C31" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_0A54677C496BFA99CA083D5BEE64D496" xlink:to="loc_us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember_51A7C8568B084296A09C3D5BEE642C31" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxCreditCarryforwardAxis" xlink:label="loc_us-gaap_TaxCreditCarryforwardAxis_B4BC8D536068644B08B33D5BEE640D7F" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:to="loc_us-gaap_TaxCreditCarryforwardAxis_B4BC8D536068644B08B33D5BEE640D7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain" xlink:label="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TaxCreditCarryforwardAxis_B4BC8D536068644B08B33D5BEE640D7F" xlink:to="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain" xlink:label="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TaxCreditCarryforwardAxis_B4BC8D536068644B08B33D5BEE640D7F" xlink:to="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalLossCarryforwardMember" xlink:label="loc_us-gaap_CapitalLossCarryforwardMember_D292EA652DB0473263D03D5BEE643F89" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98" xlink:to="loc_us-gaap_CapitalLossCarryforwardMember_D292EA652DB0473263D03D5BEE643F89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ResearchMember" xlink:label="loc_us-gaap_ResearchMember_B46C44593F1002683A173D5BEE64AB22" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98" xlink:to="loc_us-gaap_ResearchMember_B46C44593F1002683A173D5BEE64AB22" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherCreditsMember" xlink:label="loc_livn_OtherCreditsMember_6A7CA2AC7D594419AE2D3D5BEE64FD51" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxCreditCarryforwardNameDomain_D309EDD2219B0A9F41D73D5BEE647A98" xlink:to="loc_livn_OtherCreditsMember_6A7CA2AC7D594419AE2D3D5BEE64FD51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_30BAA40ED24A7564148D3D5BEE6414A7" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_631A449C4F352D0149D83D5BEE63B865" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_30BAA40ED24A7564148D3D5BEE6414A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_30BAA40ED24A7564148D3D5BEE6414A7" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_30BAA40ED24A7564148D3D5BEE6414A7" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CurrentAssetMember" xlink:label="loc_livn_CurrentAssetMember_AF94FC6DC1D2F1E25CB83D5BEE6437D7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B" xlink:to="loc_livn_CurrentAssetMember_AF94FC6DC1D2F1E25CB83D5BEE6437D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesMember" xlink:label="loc_us-gaap_OtherNoncurrentLiabilitiesMember_77ADC378AA0D252795243D5BEE6535B4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_F91C2E3A016C2764C1123D5BEE649A0B" xlink:to="loc_us-gaap_OtherNoncurrentLiabilitiesMember_77ADC378AA0D252795243D5BEE6535B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_EE7484692827362652183D5BEE65BA4F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_EE7484692827362652183D5BEE65BA4F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_D6EEFF0EB718D1E33E2F3D5BEE65D0E2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_D6EEFF0EB718D1E33E2F3D5BEE65D0E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaap_OperatingLossCarryforwards_EA47CDFE0CD6B08D34753D5BEE65C7E2" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_OperatingLossCarryforwards_EA47CDFE0CD6B08D34753D5BEE65C7E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_5CF6DE6E49AC7CF2788F3D5BEE6552C0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_5CF6DE6E49AC7CF2788F3D5BEE6552C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_74420A786F67C1B052B83D5BEE65F3AD" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_74420A786F67C1B052B83D5BEE65F3AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_AF27BF35461AFAC175FC3D5BEE6513B2" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_AF27BF35461AFAC175FC3D5BEE6513B2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OperatingLossCarryforwardsLimitationsOnUseAnnualAmount" xlink:label="loc_livn_OperatingLossCarryforwardsLimitationsOnUseAnnualAmount_6B9EA085051A72C4CA353D5BEE65DB1C" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_livn_OperatingLossCarryforwardsLimitationsOnUseAnnualAmount_6B9EA085051A72C4CA353D5BEE65DB1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_9BA7778F172184D1D3BA3D5BEE6597D5" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_9BA7778F172184D1D3BA3D5BEE6597D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_D8CC10A617802E1D44263D5BEE6572EE" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_D8CC10A617802E1D44263D5BEE6572EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_443FBBC4A7B32B4F4AC03D5BEE65BA6B" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_C511522E671CCF3823CA3D5BEE65692D" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_443FBBC4A7B32B4F4AC03D5BEE65BA6B" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesOperatingLossCarryforwardsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="loc_us-gaap_OperatingLossCarryforwardsLineItems_B38F8B80A3DD8DAF97CC340AFD7EE290" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="loc_us-gaap_OperatingLossCarryforwardsTable_09B771C687240D01AA8B340AFD6E0CFD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_B38F8B80A3DD8DAF97CC340AFD7EE290" xlink:to="loc_us-gaap_OperatingLossCarryforwardsTable_09B771C687240D01AA8B340AFD6E0CFD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_D0A3E3CC2B0C19E0EE70340AFD6E3796" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_09B771C687240D01AA8B340AFD6E0CFD" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_D0A3E3CC2B0C19E0EE70340AFD6E3796" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_D0A3E3CC2B0C19E0EE70340AFD6E3796" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_D0A3E3CC2B0C19E0EE70340AFD6E3796" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember_0F126019C25945026255340AFD6EE7EF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96" xlink:to="loc_us-gaap_DomesticCountryMember_0F126019C25945026255340AFD6EE7EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_EF6012692776CB890417340AFD6E03D3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_BD2B143A7DA811F6FE79340AFD6EBA96" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_EF6012692776CB890417340AFD6E03D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_A2E76825F535C49182CB340AFD6E71C5" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_09B771C687240D01AA8B340AFD6E0CFD" xlink:to="loc_us-gaap_StatementGeographicalAxis_A2E76825F535C49182CB340AFD6E71C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_A2E76825F535C49182CB340AFD6E71C5" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_A2E76825F535C49182CB340AFD6E71C5" xlink:to="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_9226587161AAC6A658A9340AFD6E8913" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609" xlink:to="loc_country_US_9226587161AAC6A658A9340AFD6E8913" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EuropeMember" xlink:label="loc_us-gaap_EuropeMember_658E3E3F88AB64100E07340AFD7E481D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609" xlink:to="loc_us-gaap_EuropeMember_658E3E3F88AB64100E07340AFD7E481D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_FarEastMember" xlink:label="loc_livn_FarEastMember_BD23D2E86F0B16429D20340AFD7E45BA" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_D039B978F8C0AE9211A5340AFD6E5609" xlink:to="loc_livn_FarEastMember_BD23D2E86F0B16429D20340AFD7E45BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="loc_us-gaap_TaxPeriodAxis_7EF5850BA76EFD309E5E340AFD7E93CD" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OperatingLossCarryforwardsTable_09B771C687240D01AA8B340AFD6E0CFD" xlink:to="loc_us-gaap_TaxPeriodAxis_7EF5850BA76EFD309E5E340AFD7E93CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TaxPeriodAxis_7EF5850BA76EFD309E5E340AFD7E93CD" xlink:to="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TaxPeriodAxis_7EF5850BA76EFD309E5E340AFD7E93CD" xlink:to="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_IndefiniteMember" xlink:label="loc_livn_IndefiniteMember_3CA44B63F163DDEEFBF7340AFD7EF4E6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:to="loc_livn_IndefiniteMember_3CA44B63F163DDEEFBF7340AFD7EF4E6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TaxPeriod2016Member" xlink:label="loc_livn_TaxPeriod2016Member_D3D6712C1E3577BBB431340AFD7E0572" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:to="loc_livn_TaxPeriod2016Member_D3D6712C1E3577BBB431340AFD7E0572" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TaxYear2017Member" xlink:label="loc_livn_TaxYear2017Member_396BA42EA8A079E736BC340AFD7E03F0" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:to="loc_livn_TaxYear2017Member_396BA42EA8A079E736BC340AFD7E03F0" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TaxYear2020Member" xlink:label="loc_livn_TaxYear2020Member_C11BFBDA1F0CC60040C7340AFD7EB860" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TaxPeriodDomain_C0EF8C9F56E49D8BE208340AFD7E6EBA" xlink:to="loc_livn_TaxYear2020Member_C11BFBDA1F0CC60040C7340AFD7EB860" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaap_OperatingLossCarryforwards_DA44E8107374EDCB9F8E340AFD7EAFB3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLossCarryforwardsLineItems_B38F8B80A3DD8DAF97CC340AFD7EE290" xlink:to="loc_us-gaap_OperatingLossCarryforwards_DA44E8107374EDCB9F8E340AFD7EAFB3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsRollForwardDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesSignificantComponentsOfDeferredTaxAssetsDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/IncomeTaxesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/Inventories" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InventoriesScheduleOfInventoryComponentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="loc_us-gaap_InventoryLineItems_1504F61FD0A348DDB67A356D12E66AC0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryCurrentTable" xlink:label="loc_us-gaap_InventoryCurrentTable_BC3E884EA0E6D2F7C55F356D12E6E326" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_1504F61FD0A348DDB67A356D12E66AC0" xlink:to="loc_us-gaap_InventoryCurrentTable_BC3E884EA0E6D2F7C55F356D12E6E326" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_D74E59F6A752B3AA1A2535F5FC3DC87F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_BC3E884EA0E6D2F7C55F356D12E6E326" xlink:to="loc_dei_LegalEntityAxis_D74E59F6A752B3AA1A2535F5FC3DC87F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5F70160196EFE33BF36635F5FC3E7C93_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_D74E59F6A752B3AA1A2535F5FC3DC87F" xlink:to="loc_dei_EntityDomain_5F70160196EFE33BF36635F5FC3E7C93_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5F70160196EFE33BF36635F5FC3E7C93" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_D74E59F6A752B3AA1A2535F5FC3DC87F" xlink:to="loc_dei_EntityDomain_5F70160196EFE33BF36635F5FC3E7C93" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_A21FBB8675E90EB7FD3935F623D6BDCA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_5F70160196EFE33BF36635F5FC3E7C93" xlink:to="loc_livn_SorinS.p.A.Member_A21FBB8675E90EB7FD3935F623D6BDCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_8651834F154956FB8DF2356D12E6625C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_BC3E884EA0E6D2F7C55F356D12E6E326" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_8651834F154956FB8DF2356D12E6625C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4A00DE9D1AEDE445ECCA356D12E6B762_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8651834F154956FB8DF2356D12E6625C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4A00DE9D1AEDE445ECCA356D12E6B762_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4A00DE9D1AEDE445ECCA356D12E6B762" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8651834F154956FB8DF2356D12E6625C" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4A00DE9D1AEDE445ECCA356D12E6B762" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_57EDC3EED3B680D51D26356D12E68452" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4A00DE9D1AEDE445ECCA356D12E6B762" xlink:to="loc_livn_MergerAgreementMember_57EDC3EED3B680D51D26356D12E68452" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_68E07505D645D27D0D1E356D12E75772" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_1504F61FD0A348DDB67A356D12E66AC0" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_68E07505D645D27D0D1E356D12E75772" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InventoriesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/Investments" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsEquityMethodInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_308A0D7130CB73ED61C63A1A45BD873A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_930B637D745D5C0DD5933A1A45BC8AC4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_308A0D7130CB73ED61C63A1A45BD873A" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_930B637D745D5C0DD5933A1A45BC8AC4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_838881629226DC12644E3A1A45BC7361" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_930B637D745D5C0DD5933A1A45BC8AC4" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_838881629226DC12644E3A1A45BC7361" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_838881629226DC12644E3A1A45BC7361" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_838881629226DC12644E3A1A45BC7361" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LaBouscarreS.C.I.Member" xlink:label="loc_livn_LaBouscarreS.C.I.Member_24A65C0CCC8D741FBE183A1A45BCFA19" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_LaBouscarreS.C.I.Member_24A65C0CCC8D741FBE183A1A45BCFA19" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LaserundMedizinTechnologieGmbhMember" xlink:label="loc_livn_LaserundMedizinTechnologieGmbhMember_BFD9CBBCFF126136475D3A1A45BD728B" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_LaserundMedizinTechnologieGmbhMember_BFD9CBBCFF126136475D3A1A45BD728B" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MDSTARTSS.A.Member" xlink:label="loc_livn_MDSTARTSS.A.Member_C3981606C4541E124CFD3A1A45BD80B6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_MDSTARTSS.A.Member_C3981606C4541E124CFD3A1A45BD80B6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MDSTARTIK.G.Member" xlink:label="loc_livn_MDSTARTIK.G.Member_2A4F49A0E41AD40671B53A1A45BDAE53" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_MDSTARTIK.G.Member_2A4F49A0E41AD40671B53A1A45BDAE53" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EnopaceBiomedicalLtd.Member" xlink:label="loc_livn_EnopaceBiomedicalLtd.Member_5D26D7837BDD092D03AE3A1A45BD9CD7" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_EnopaceBiomedicalLtd.Member_5D26D7837BDD092D03AE3A1A45BD9CD7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CardiosolutionsInc.Member" xlink:label="loc_livn_CardiosolutionsInc.Member_5778612AFA1DCE99F02A3A1A45BDB78D" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_CardiosolutionsInc.Member_5778612AFA1DCE99F02A3A1A45BDB78D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CaissonInterventionalLLCMember" xlink:label="loc_livn_CaissonInterventionalLLCMember_BD93E68D48BDFF4387B13A1A45BDBE30" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_CaissonInterventionalLLCMember_BD93E68D48BDFF4387B13A1A45BDBE30" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_HighlifeS.A.S.Member" xlink:label="loc_livn_HighlifeS.A.S.Member_129EAD6C26A4A78D975F3A1A45BDEBD0" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_HighlifeS.A.S.Member_129EAD6C26A4A78D975F3A1A45BDEBD0" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MicroPortSorinCRMCoLtdMember" xlink:label="loc_livn_MicroPortSorinCRMCoLtdMember_2A142CE9EA7349A5D6913A1A45BDAF25" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_MicroPortSorinCRMCoLtdMember_2A142CE9EA7349A5D6913A1A45BDAF25" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RespicardiaInc.Member" xlink:label="loc_livn_RespicardiaInc.Member_71FE0DC9BA3A6CB1C3E63A1A45BD1623" xlink:type="locator" />
    <definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_5E0EB2BD747AFF6200A33A1A45BC864E" xlink:to="loc_livn_RespicardiaInc.Member_71FE0DC9BA3A6CB1C3E63A1A45BD1623" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_87F7EF904A36B82149DC3A1A45BDD384" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_308A0D7130CB73ED61C63A1A45BD873A" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_87F7EF904A36B82149DC3A1A45BDD384" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_D4F3F16375F2857A82713A1A45BD684C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_308A0D7130CB73ED61C63A1A45BD873A" xlink:to="loc_us-gaap_EquityMethodInvestments_D4F3F16375F2857A82713A1A45BD684C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6D3ACD26C21679CC6FAB3A1A45BD2239" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_308A0D7130CB73ED61C63A1A45BD873A" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6D3ACD26C21679CC6FAB3A1A45BD2239" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4ADD65CAE194048A13182DD9F6F63DFF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4ADD65CAE194048A13182DD9F6F63DFF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_FEAFE7C3292FE04183832DDA4988E370" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4ADD65CAE194048A13182DD9F6F63DFF" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_FEAFE7C3292FE04183832DDA4988E370" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_32425C928ECEEBBDE12A2DDE635D34AC_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_FEAFE7C3292FE04183832DDA4988E370" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_32425C928ECEEBBDE12A2DDE635D34AC_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_32425C928ECEEBBDE12A2DDE635D34AC" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_FEAFE7C3292FE04183832DDA4988E370" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_32425C928ECEEBBDE12A2DDE635D34AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentsMember" xlink:label="loc_us-gaap_EquityMethodInvestmentsMember_E083574B456F60F2BBAB2DDA74C70208" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_32425C928ECEEBBDE12A2DDE635D34AC" xlink:to="loc_us-gaap_EquityMethodInvestmentsMember_E083574B456F60F2BBAB2DDA74C70208" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_FFE7FDF05BBA9125CFAE2DDCA2EA130D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4ADD65CAE194048A13182DD9F6F63DFF" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_FFE7FDF05BBA9125CFAE2DDCA2EA130D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E7103A88D9A0F96B1F312DDCA2EAD031_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_FFE7FDF05BBA9125CFAE2DDCA2EA130D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E7103A88D9A0F96B1F312DDCA2EAD031_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_E7103A88D9A0F96B1F312DDCA2EAD031" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_FFE7FDF05BBA9125CFAE2DDCA2EA130D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_E7103A88D9A0F96B1F312DDCA2EAD031" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CaissonInterventionalLLCandHighlifeS.A.S.Member" xlink:label="loc_livn_CaissonInterventionalLLCandHighlifeS.A.S.Member_F3EE6388E0D4605AEBEA2DDD6BE156FE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_E7103A88D9A0F96B1F312DDCA2EAD031" xlink:to="loc_livn_CaissonInterventionalLLCandHighlifeS.A.S.Member_F3EE6388E0D4605AEBEA2DDD6BE156FE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_7D694D2F642A600FDC9A2DDDCE1A018A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_4ADD65CAE194048A13182DD9F6F63DFF" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_7D694D2F642A600FDC9A2DDDCE1A018A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_2C626FA5728CB73C7D192DDDCE2449B7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_7D694D2F642A600FDC9A2DDDCE1A018A" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_2C626FA5728CB73C7D192DDDCE2449B7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_2C626FA5728CB73C7D192DDDCE2449B7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_7D694D2F642A600FDC9A2DDDCE1A018A" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_2C626FA5728CB73C7D192DDDCE2449B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_914CF0A76CF1CAF7E5632DDDF7C6E4F0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_2C626FA5728CB73C7D192DDDCE2449B7" xlink:to="loc_us-gaap_OtherAssetsMember_914CF0A76CF1CAF7E5632DDDF7C6E4F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_18CE668E598DF3824C332DC3CDD5D5C0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:to="loc_us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet_18CE668E598DF3824C332DC3CDD5D5C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashSurrenderValueOfLifeInsurance" xlink:label="loc_us-gaap_CashSurrenderValueOfLifeInsurance_9526B82044AE8EB101D82DBFC0516090" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:to="loc_us-gaap_CashSurrenderValueOfLifeInsurance_9526B82044AE8EB101D82DBFC0516090" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansAndLeasesReceivableRelatedParties" xlink:label="loc_us-gaap_LoansAndLeasesReceivableRelatedParties_B467F8B37227532E8AD92DDC73DA33A8" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:to="loc_us-gaap_LoansAndLeasesReceivableRelatedParties_B467F8B37227532E8AD92DDC73DA33A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_2723CDC001FA7A39CF142DDA124771A3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_BFC1B8AB1F5B6BD96DC22DD9F6F66540" xlink:to="loc_us-gaap_Goodwill_2723CDC001FA7A39CF142DDA124771A3" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfLongTermInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_46F0D61B7432DA30B93F2DBD4D437566" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_E94CB42B2B2C895D68052DBD4D42C485" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_46F0D61B7432DA30B93F2DBD4D437566" xlink:to="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_E94CB42B2B2C895D68052DBD4D42C485" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_314ECC4091F3AB51A9F62DBD4D42E52D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_E94CB42B2B2C895D68052DBD4D42C485" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_314ECC4091F3AB51A9F62DBD4D42E52D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_314ECC4091F3AB51A9F62DBD4D42E52D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_314ECC4091F3AB51A9F62DBD4D42E52D" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ImtheraMedicalIncMember" xlink:label="loc_livn_ImtheraMedicalIncMember_C16E98149FFF398F591E2DBD4D423CEB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755" xlink:to="loc_livn_ImtheraMedicalIncMember_C16E98149FFF398F591E2DBD4D423CEB" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CerbomedGmbhMember" xlink:label="loc_livn_CerbomedGmbhMember_2233479E8F3B7F6F46B42DBD4D433C73" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755" xlink:to="loc_livn_CerbomedGmbhMember_2233479E8F3B7F6F46B42DBD4D433C73" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RainbowMedicalLtdMember" xlink:label="loc_livn_RainbowMedicalLtdMember_525C7E40CB74F095D0AE2DBE1E9DAC52" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_AD17CB56F3B9D423893C2DBD4D429755" xlink:to="loc_livn_RainbowMedicalLtdMember_525C7E40CB74F095D0AE2DBE1E9DAC52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostMethodInvestmentsOriginalCost" xlink:label="loc_us-gaap_CostMethodInvestmentsOriginalCost_316F0645421AD73EDF492DBD4D43F021" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_46F0D61B7432DA30B93F2DBD4D437566" xlink:to="loc_us-gaap_CostMethodInvestmentsOriginalCost_316F0645421AD73EDF492DBD4D43F021" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_PaymentsToAcquireInvestmentsInConvertiblePreferredStock" xlink:label="loc_livn_PaymentsToAcquireInvestmentsInConvertiblePreferredStock_8BDF2D1EF4EE6CCEB86A2DBD4D43C2C1" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsLineItems_46F0D61B7432DA30B93F2DBD4D437566" xlink:to="loc_livn_PaymentsToAcquireInvestmentsInConvertiblePreferredStock_8BDF2D1EF4EE6CCEB86A2DBD4D43C2C1" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsScheduleOfShortTermInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F255406CF535609045CA2DBFBFA1DE3A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_38D08DA8D21DA2E854F72DBFBFA01D21" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F255406CF535609045CA2DBFBFA1DE3A" xlink:to="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_38D08DA8D21DA2E854F72DBFBFA01D21" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtSecurityAxis" xlink:label="loc_us-gaap_DebtSecurityAxis_0039C8A9CFD3367CFDAC2DBFBFA0C7A0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_38D08DA8D21DA2E854F72DBFBFA01D21" xlink:to="loc_us-gaap_DebtSecurityAxis_0039C8A9CFD3367CFDAC2DBFBFA0C7A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtSecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtSecurityAxis_0039C8A9CFD3367CFDAC2DBFBFA0C7A0" xlink:to="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorTypesOfDebtSecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtSecurityAxis_0039C8A9CFD3367CFDAC2DBFBFA0C7A0" xlink:to="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_338040E6BE96403C21F52DBFBFA1BF1E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE" xlink:to="loc_us-gaap_CertificatesOfDepositMember_338040E6BE96403C21F52DBFBFA1BF1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_01AEBD7C9DACDC0A044F2DBFBFA1DCCB" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_FD80E42FE4D6DDC2E7A22DBFBFA10EDE" xlink:to="loc_us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember_01AEBD7C9DACDC0A044F2DBFBFA1DCCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldToMaturitySecuritiesCurrent" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesCurrent_D5B6C6EF4AB235167F1F2DBFBFA1AC88" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F255406CF535609045CA2DBFBFA1DE3A" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesCurrent_D5B6C6EF4AB235167F1F2DBFBFA1AC88" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/InvestmentsTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/NatureOfOperations" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/NewAccountingPronouncements" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilities" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/OtherLongTermLiabilitiesTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipment" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1EE906B36DBE3EB616FA398A1B280365" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1EE906B36DBE3EB616FA398A1B280365" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_009375FB71F560DC40C8398A1B28BE97_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1EE906B36DBE3EB616FA398A1B280365" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_009375FB71F560DC40C8398A1B28BE97_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_009375FB71F560DC40C8398A1B28BE97" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1EE906B36DBE3EB616FA398A1B280365" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_009375FB71F560DC40C8398A1B28BE97" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_7EFC28B489A47DEF9C6B398A1B282654" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_009375FB71F560DC40C8398A1B28BE97" xlink:to="loc_livn_MergerAgreementMember_7EFC28B489A47DEF9C6B398A1B282654" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_020AAA67C2EB6D95F562398A1B2838E8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_020AAA67C2EB6D95F562398A1B2838E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_020AAA67C2EB6D95F562398A1B2838E8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_020AAA67C2EB6D95F562398A1B2838E8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_8BA9CC1D3BC41BC16CF9398A1B29986E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:to="loc_us-gaap_LandMember_8BA9CC1D3BC41BC16CF9398A1B29986E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_4BC1C5A01AAFA5F9ED47398A1B2947B2" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_4BC1C5A01AAFA5F9ED47398A1B2947B2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EquipmentSoftwareFurnitureAndFixturesMember" xlink:label="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_F762DDBE90F283B68F82398A1B29D164" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:to="loc_livn_EquipmentSoftwareFurnitureAndFixturesMember_F762DDBE90F283B68F82398A1B29D164" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_19BA9ADAE9BC21345F34398A1B29900E" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:to="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_19BA9ADAE9BC21345F34398A1B29900E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_EB76A7107BDD499D1520398A1B29D746" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8BB74A8DCD9CDBF41C05398A1B28DDBF" xlink:to="loc_us-gaap_ConstructionInProgressMember_EB76A7107BDD499D1520398A1B29D746" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_58C91232EE07C0DC7C62398A1B2908A9" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:to="loc_us-gaap_StatementGeographicalAxis_58C91232EE07C0DC7C62398A1B2908A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_7891EDC27956278D0BDB398A1B296A8D_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_58C91232EE07C0DC7C62398A1B2908A9" xlink:to="loc_us-gaap_SegmentGeographicalDomain_7891EDC27956278D0BDB398A1B296A8D_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_7891EDC27956278D0BDB398A1B296A8D" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_58C91232EE07C0DC7C62398A1B2908A9" xlink:to="loc_us-gaap_SegmentGeographicalDomain_7891EDC27956278D0BDB398A1B296A8D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CantuItalyMember" xlink:label="loc_livn_CantuItalyMember_9605A0349BB8DB3607FD398A1B29EF28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_7891EDC27956278D0BDB398A1B296A8D" xlink:to="loc_livn_CantuItalyMember_9605A0349BB8DB3607FD398A1B29EF28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_51400B9D51AE4B25FBA1398A1B2930E2" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_48FCC5E669D6CA32530C398A1B28BAD0" xlink:to="loc_dei_LegalEntityAxis_51400B9D51AE4B25FBA1398A1B2930E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_A15E19929A6980BEC361398A1B29CB35_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_51400B9D51AE4B25FBA1398A1B2930E2" xlink:to="loc_dei_EntityDomain_A15E19929A6980BEC361398A1B29CB35_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_A15E19929A6980BEC361398A1B29CB35" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_51400B9D51AE4B25FBA1398A1B2930E2" xlink:to="loc_dei_EntityDomain_A15E19929A6980BEC361398A1B29CB35" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_B945B5D5490A54785F76398A1B2909A2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_A15E19929A6980BEC361398A1B29CB35" xlink:to="loc_livn_SorinS.p.A.Member_B945B5D5490A54785F76398A1B2909A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_2858F395D6AD0CC54A19398A1B29C9FD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_2858F395D6AD0CC54A19398A1B29C9FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C136D7ECBB64CB3401FD398A1B2926FF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C136D7ECBB64CB3401FD398A1B2926FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_C278B0D99E3307D8B3FF398A1B29AB67" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_C278B0D99E3307D8B3FF398A1B29AB67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5B991C7DCE7C40652122398A1B2A6934" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5B991C7DCE7C40652122398A1B2A6934" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_CD52B1B44A8B7CD486EF398A1B29E361" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_Depreciation_CD52B1B44A8B7CD486EF398A1B29E361" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_AFAD41A440AF75CBDBA8398A1B2ACBB9" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48F7D889DD37BFA137A2398A1B293938" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_AFAD41A440AF75CBDBA8398A1B2ACBB9" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/PropertyPlantAndEquipmentTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnaudited" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnauditedScheduleOfQuarterlyFinancialInformationDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/QuarterlyFinancialInformationUnauditedTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlans" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByExpenseCategoryDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_706E84A6091A1DD510062E62C7B982B4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_2382520FDCE32DD8551B2E62C7B8DF45" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_706E84A6091A1DD510062E62C7B982B4" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_2382520FDCE32DD8551B2E62C7B8DF45" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_D9179DB3E71CDB3527A82E62C7B87F98" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_2382520FDCE32DD8551B2E62C7B8DF45" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_D9179DB3E71CDB3527A82E62C7B87F98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_D9179DB3E71CDB3527A82E62C7B87F98" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_D9179DB3E71CDB3527A82E62C7B87F98" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_3FD164A40E07E17B36CC2E62C7B8AC34" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:to="loc_us-gaap_CostOfSalesMember_3FD164A40E07E17B36CC2E62C7B8AC34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_963902D514DF4E6A4E002E62C7B88AFE" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_963902D514DF4E6A4E002E62C7B88AFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0AD8D1F42DEB27EC25922E62C7B852E7" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0AD8D1F42DEB27EC25922E62C7B852E7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerRelatedExpenseMember" xlink:label="loc_livn_MergerRelatedExpenseMember_8609C97064B04C531DE42E62C7B97DB3" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_FBCE36B0F270537A00022E62C7B8624E" xlink:to="loc_livn_MergerRelatedExpenseMember_8609C97064B04C531DE42E62C7B97DB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_D3511893A6F098F116412E62C7B94F6C" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_706E84A6091A1DD510062E62C7B982B4" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_D3511893A6F098F116412E62C7B94F6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_F137901BDFACAA6D96A82E62C7B9FB1E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_706E84A6091A1DD510062E62C7B982B4" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_F137901BDFACAA6D96A82E62C7B9FB1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_34FDF9006422D37664492E62C7B97E73" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_706E84A6091A1DD510062E62C7B982B4" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_34FDF9006422D37664492E62C7B97E73" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansAllocationOfShareBasedCompensationCostsByTypeOfArrangementDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98B5EBD9127A1472577030AA34395D8D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8732A901B21D3565B3230AA3438E90E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98B5EBD9127A1472577030AA34395D8D" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8732A901B21D3565B3230AA3438E90E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_C359FDF772866CDE658A30AA3438BAA0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F8732A901B21D3565B3230AA3438E90E" xlink:to="loc_us-gaap_AwardTypeAxis_C359FDF772866CDE658A30AA3438BAA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_C359FDF772866CDE658A30AA3438BAA0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_C359FDF772866CDE658A30AA3438BAA0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedStockOptionAwardsMember" xlink:label="loc_livn_ServiceBasedStockOptionAwardsMember_1733F5D590886720D8F830AA34386458" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:to="loc_livn_ServiceBasedStockOptionAwardsMember_1733F5D590886720D8F830AA34386458" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedStockAppreciationRightsMember" xlink:label="loc_livn_ServiceBasedStockAppreciationRightsMember_636D52B804CD6A4A0A6930AA34388F51" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:to="loc_livn_ServiceBasedStockAppreciationRightsMember_636D52B804CD6A4A0A6930AA34388F51" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember" xlink:label="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_7A56E93869A364797C2C30AA3438135A" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:to="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_7A56E93869A364797C2C30AA3438135A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember" xlink:label="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_9BFFBA4A5CE4BDB2977530AA3439E18D" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:to="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_9BFFBA4A5CE4BDB2977530AA3439E18D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_OtherStockAwardsMember" xlink:label="loc_livn_OtherStockAwardsMember_2422172E85A3A2BC7CBC30AA3439AAEC" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_F40FD56814136597849A30AA34383FC7" xlink:to="loc_livn_OtherStockAwardsMember_2422172E85A3A2BC7CBC30AA3439AAEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_58351A1D432581DF996930AA3439EE68" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_98B5EBD9127A1472577030AA34395D8D" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_58351A1D432581DF996930AA3439EE68" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1D6FAA2D33292DADB79B356D12410FDB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1D6FAA2D33292DADB79B356D12410FDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5C7DBB4DB13AAC52F63A356D12417CD7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1D6FAA2D33292DADB79B356D12410FDB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5C7DBB4DB13AAC52F63A356D12417CD7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5C7DBB4DB13AAC52F63A356D12417CD7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1D6FAA2D33292DADB79B356D12410FDB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5C7DBB4DB13AAC52F63A356D12417CD7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_A53074CE9B5CA8BE81B0356D12417262" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5C7DBB4DB13AAC52F63A356D12417CD7" xlink:to="loc_livn_MergerAgreementMember_A53074CE9B5CA8BE81B0356D12417262" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_FE13ABFF1D0D1CAD362D356D1241DEDC" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_dei_LegalEntityAxis_FE13ABFF1D0D1CAD362D356D1241DEDC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_FE13ABFF1D0D1CAD362D356D1241DEDC" xlink:to="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_FE13ABFF1D0D1CAD362D356D1241DEDC" xlink:to="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_F48B12AC002F44AC32BD356D124237F7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5" xlink:to="loc_livn_SorinS.p.A.Member_F48B12AC002F44AC32BD356D124237F7" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_CyberonicsIncMember" xlink:label="loc_livn_CyberonicsIncMember_8F4456706AAB5FEAEBEA356D1242AC04" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_8BEBE9CF3E6C603C2D1E356D12417EE5" xlink:to="loc_livn_CyberonicsIncMember_8F4456706AAB5FEAEBEA356D1242AC04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_EAB037035916AC9705E9356D1242C2AF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_StatementClassOfStockAxis_EAB037035916AC9705E9356D1242C2AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7DF0DE8239EA4AAE6E6D356D12420DF7_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_EAB037035916AC9705E9356D1242C2AF" xlink:to="loc_us-gaap_ClassOfStockDomain_7DF0DE8239EA4AAE6E6D356D12420DF7_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_7DF0DE8239EA4AAE6E6D356D12420DF7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_EAB037035916AC9705E9356D1242C2AF" xlink:to="loc_us-gaap_ClassOfStockDomain_7DF0DE8239EA4AAE6E6D356D12420DF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_CDE43A36261872A3458A356D12425665" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7DF0DE8239EA4AAE6E6D356D12420DF7" xlink:to="loc_us-gaap_CommonStockMember_CDE43A36261872A3458A356D12425665" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_7D4A534EAC36CC1CD535356D12424A27" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_PlanNameAxis_7D4A534EAC36CC1CD535356D12424A27" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_7D4A534EAC36CC1CD535356D12424A27" xlink:to="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_7D4A534EAC36CC1CD535356D12424A27" xlink:to="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LongTermIncentive20142016PlanMember" xlink:label="loc_livn_LongTermIncentive20142016PlanMember_7B2D270B8B00270FB78E356D1242A988" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:to="loc_livn_LongTermIncentive20142016PlanMember_7B2D270B8B00270FB78E356D1242A988" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_LongTermIncentivePlans20132015and20142016Member" xlink:label="loc_livn_LongTermIncentivePlans20132015and20142016Member_CEF890625F580CADE675356D1242B130" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:to="loc_livn_LongTermIncentivePlans20132015and20142016Member_CEF890625F580CADE675356D1242B130" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_AmendedandRestatedNewEmployeeEquityInducementPlanand2009StockPlanMember" xlink:label="loc_livn_AmendedandRestatedNewEmployeeEquityInducementPlanand2009StockPlanMember_52577E978FC33B984122356D124268F4" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:to="loc_livn_AmendedandRestatedNewEmployeeEquityInducementPlanand2009StockPlanMember_52577E978FC33B984122356D124268F4" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_TwoThousandFifteenIncentiveAwardPlanMember" xlink:label="loc_livn_TwoThousandFifteenIncentiveAwardPlanMember_A715D7804531196F960B356D1242AFC8" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_3F5D7FDEC5C80E98C5F0356D124211D3" xlink:to="loc_livn_TwoThousandFifteenIncentiveAwardPlanMember_A715D7804531196F960B356D1242AFC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_B93E14EB9D6BD4F88911356D12413C1E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_TitleOfIndividualAxis_B93E14EB9D6BD4F88911356D12413C1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_72FA026A3B0522FCE3CC35BF9D0E7ED2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_B93E14EB9D6BD4F88911356D12413C1E" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_72FA026A3B0522FCE3CC35BF9D0E7ED2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_72FA026A3B0522FCE3CC35BF9D0E7ED2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_B93E14EB9D6BD4F88911356D12413C1E" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_72FA026A3B0522FCE3CC35BF9D0E7ED2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ExecutiveOfficerMember" xlink:label="loc_us-gaap_ExecutiveOfficerMember_B9FB8C5AF60C5EBCA79B356D1241104A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_72FA026A3B0522FCE3CC35BF9D0E7ED2" xlink:to="loc_us-gaap_ExecutiveOfficerMember_B9FB8C5AF60C5EBCA79B356D1241104A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_7E842F08070BC2BEF49B356D1243F1B7" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_AwardTypeAxis_7E842F08070BC2BEF49B356D1243F1B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_7E842F08070BC2BEF49B356D1243F1B7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_7E842F08070BC2BEF49B356D1243F1B7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember_5E2FC48872E06325DB2A356D12434CE9" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_us-gaap_StockAppreciationRightsSARSMember_5E2FC48872E06325DB2A356D12434CE9" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_StockAppreciationRightsRestrictedStockUnitsandPerformanceSharesMember" xlink:label="loc_livn_StockAppreciationRightsRestrictedStockUnitsandPerformanceSharesMember_A8800934C86E0C9EFBE7356D12430FBF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_livn_StockAppreciationRightsRestrictedStockUnitsandPerformanceSharesMember_A8800934C86E0C9EFBE7356D12430FBF" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_RestrictedStockUnitandPerformanceStockUnitMember" xlink:label="loc_livn_RestrictedStockUnitandPerformanceStockUnitMember_A08C05863A2B47E587BD356D1243C557" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_livn_RestrictedStockUnitandPerformanceStockUnitMember_A08C05863A2B47E587BD356D1243C557" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_F914534EB8339C77AE7C356D12434FA0" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_us-gaap_PerformanceSharesMember_F914534EB8339C77AE7C356D12434FA0" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_DeferredBonusSharesMember" xlink:label="loc_livn_DeferredBonusSharesMember_1D0236B18116A5072EAE356D1243BBF7" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_livn_DeferredBonusSharesMember_1D0236B18116A5072EAE356D1243BBF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_3EB0FC114687CC5E93D8356D12431B2E" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_us-gaap_EmployeeStockOptionMember_3EB0FC114687CC5E93D8356D12431B2E" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EmployeeStockOptionsandRestrictedStockUnitsMember" xlink:label="loc_livn_EmployeeStockOptionsandRestrictedStockUnitsMember_A7E606398215F52AD190356D12432ACC" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C95B6444630D33AAB169356D1243B744" xlink:to="loc_livn_EmployeeStockOptionsandRestrictedStockUnitsMember_A7E606398215F52AD190356D12432ACC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_DE962281A47C74C64F1836802F1C73EC" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_597314487F578AFD4229356D1241CE46" xlink:to="loc_us-gaap_VestingAxis_DE962281A47C74C64F1836802F1C73EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_DE962281A47C74C64F1836802F1C73EC" xlink:to="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_DE962281A47C74C64F1836802F1C73EC" xlink:to="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F99DCCB23F850268C75136806E1C83AB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_F99DCCB23F850268C75136806E1C83AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_193F69A566D2D43C048E36809DF2717D" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_E2BD54A8038AE88713C936802F1FB56A" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_193F69A566D2D43C048E36809DF2717D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A715517BE35AC1D07D11356D12448630" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A715517BE35AC1D07D11356D12448630" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_478F0576438FB34EA07E356D1244354F" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_478F0576438FB34EA07E356D1244354F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="loc_us-gaap_ConversionOfStockSharesConverted1_C9ED6FF09A45B3A579C4356D1244885D" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_ConversionOfStockSharesConverted1_C9ED6FF09A45B3A579C4356D1244885D" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedPercentperPeriod" xlink:label="loc_livn_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedPercentperPeriod_4252EFC1C393609A2AAF3683E4523F7B" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_livn_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedPercentperPeriod_4252EFC1C393609A2AAF3683E4523F7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5275A516908BBEBF4306356D124465D2" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5275A516908BBEBF4306356D124465D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_79C607F58F508AEEB49C356D1244F6A5" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards_79C607F58F508AEEB49C356D1244F6A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_D420ECA4955D20A0A3FE356D124417E0" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_D420ECA4955D20A0A3FE356D124417E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_4A93D17C6D863D669A0D356D124417CB" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_4A93D17C6D863D669A0D356D124417CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_CD64D5CEDABDBD50410F367DF87D29C2" xlink:type="locator" />
    <definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_338B031E4437EA17FBD4356D124370AA" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_CD64D5CEDABDBD50410F367DF87D29C2" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfPerformanceBasedRestrictedStockAndRestrictedStockUnitsRollforwardDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8030D6E29FFC13F9DA5F398A174194FD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EFFECE0D896FD4C56B65398A1741A11A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8030D6E29FFC13F9DA5F398A174194FD" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EFFECE0D896FD4C56B65398A1741A11A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_9ED63DE82F437ED18607398A174119FB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EFFECE0D896FD4C56B65398A1741A11A" xlink:to="loc_us-gaap_AwardTypeAxis_9ED63DE82F437ED18607398A174119FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F7B5AFCD55743156942398A174111C1_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_9ED63DE82F437ED18607398A174119FB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F7B5AFCD55743156942398A174111C1_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F7B5AFCD55743156942398A174111C1" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_9ED63DE82F437ED18607398A174119FB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F7B5AFCD55743156942398A174111C1" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember" xlink:label="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_581C2C1986D2F73161DC398A1741C6CE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2F7B5AFCD55743156942398A174111C1" xlink:to="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_581C2C1986D2F73161DC398A1741C6CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8030D6E29FFC13F9DA5F398A174194FD" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_050105EA78496FE4DD9839D705494333" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_050105EA78496FE4DD9839D705494333" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_A9FF02BD224ED959217439D7054987C8" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_A9FF02BD224ED959217439D7054987C8" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion" xlink:label="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion_38FA78DBCE2905C2D5EF398A1743A6ED" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:to="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion_38FA78DBCE2905C2D5EF398A1743A6ED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_668797BA26FEDB3C8DAD39D7054AF1AC" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_668797BA26FEDB3C8DAD39D7054AF1AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9172B42E4C61FBCB492339D7054A402F" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_D842A9D8FF65E028E66239D7053364D0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_9172B42E4C61FBCB492339D7054A402F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_8030D6E29FFC13F9DA5F398A174194FD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_021021644C27D8B0C677398A1743A0C4" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_021021644C27D8B0C677398A1743A0C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BC0C64604721542FBA79398A17437BA6" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BC0C64604721542FBA79398A17437BA6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue" xlink:label="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue_84D01742D398E1988539398A174369EC" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:to="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue_84D01742D398E1988539398A174369EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_07CBA1997DB1E93F53CA398A174305E6" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_07CBA1997DB1E93F53CA398A174305E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_D825136CA879B7A7178C398A174378D6" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_C2BCF16AC2947E55358C39D74696082A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_D825136CA879B7A7178C398A174378D6" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfRestrictedStockServiceBasedRollforwardDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_502AEE7451288F47362F30AA344A1E66" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_502AEE7451288F47362F30AA344A1E66" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_4C7B279CF403F6F7DB5430AA34507F91" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_502AEE7451288F47362F30AA344A1E66" xlink:to="loc_us-gaap_AwardTypeAxis_4C7B279CF403F6F7DB5430AA34507F91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68EB95BD8B88C23B4A9D30AA34504EF2_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_4C7B279CF403F6F7DB5430AA34507F91" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68EB95BD8B88C23B4A9D30AA34504EF2_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68EB95BD8B88C23B4A9D30AA34504EF2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_4C7B279CF403F6F7DB5430AA34507F91" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68EB95BD8B88C23B4A9D30AA34504EF2" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember" xlink:label="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_A536D5F93C90240AC53E30AA3450CD97" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_68EB95BD8B88C23B4A9D30AA34504EF2" xlink:to="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_A536D5F93C90240AC53E30AA3450CD97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_CA6DCA2887352CF0D18730AA34510FAE" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_CA6DCA2887352CF0D18730AA34510FAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7ED3601F3A7CEC61466B30AA3451DA50" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_7ED3601F3A7CEC61466B30AA3451DA50" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion" xlink:label="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion_C4C5CCC282BAC96CB15730AA345192CF" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:to="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversion_C4C5CCC282BAC96CB15730AA345192CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_2188813ECFE61F1528E030AA34513FB7" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_2188813ECFE61F1528E030AA34513FB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_FAE5490EB702B300AC2C30AA3451FA00" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_3B9021D68E4EA1711B4930AA3451CBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_FAE5490EB702B300AC2C30AA3451FA00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9B0042BE0D9E99EC885E30AA3451ED46" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_9B0042BE0D9E99EC885E30AA3451ED46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_24AE58C1D6DA50F03A1C30AA34516219" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_24AE58C1D6DA50F03A1C30AA34516219" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue" xlink:label="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue_98B1613E41B64279C80B30AA3452A145" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_livn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsConversionWeightedAverageGrantDateFairValue_98B1613E41B64279C80B30AA3452A145" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EDCD8D1A1A804A5A527430AA3452389D" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_EDCD8D1A1A804A5A527430AA3452389D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_DE6CDB54615AF2A642AA30AA345238DD" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_11D28F1B0892D946225430AA34517D62" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_DE6CDB54615AF2A642AA30AA345238DD" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfShareBasedCompensationStockOptionsRollforwardDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfShareOptionValuationAssumptionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_712E4C426583E1C260A1356D121B476A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_712E4C426583E1C260A1356D121B476A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_FC3F52FAF241C7D9145F356D121B57D3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_712E4C426583E1C260A1356D121B476A" xlink:to="loc_us-gaap_RangeAxis_FC3F52FAF241C7D9145F356D121B57D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_FC3F52FAF241C7D9145F356D121B57D3" xlink:to="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_FC3F52FAF241C7D9145F356D121B57D3" xlink:to="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_E89256C3BE70361E7ABE356D121BACC8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28" xlink:to="loc_us-gaap_MinimumMember_E89256C3BE70361E7ABE356D121BACC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_5E6DA4D8641DD8A81A32356D121CA748" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9A1ABC5C2452B6A85934356D121B6A28" xlink:to="loc_us-gaap_MaximumMember_5E6DA4D8641DD8A81A32356D121CA748" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_602F37ACA7B0E5A554C2356D121CBE0A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_602F37ACA7B0E5A554C2356D121CBE0A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_8C4E73FB3F3AF89F797C356D121CA149" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_8C4E73FB3F3AF89F797C356D121CA149" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_84ECCC01EDA22D212348356D121CE009" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_84ECCC01EDA22D212348356D121CE009" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_3598DBF1264AB0ABB9C4356D121CDE20" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_3598DBF1264AB0ABB9C4356D121CDE20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_F6A301A46FAA134E2DD5356D121CE57B" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_F6A301A46FAA134E2DD5356D121CE57B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_D7D8645C00A08902B674356D121CBD99" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_B3411CC66141B189D5FF356D121C1821" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_D7D8645C00A08902B674356D121CBD99" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansScheduleOfStockBasedCompensationCostUnrecognizedDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F5A4C118A6DFA9B5EDB8356D121FD7B7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_789F1647EA7E1E56D886356D121F2906" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F5A4C118A6DFA9B5EDB8356D121FD7B7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_789F1647EA7E1E56D886356D121F2906" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_B5EBCB9B952D925A0AC7356D121FA0F6" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_789F1647EA7E1E56D886356D121F2906" xlink:to="loc_us-gaap_AwardTypeAxis_B5EBCB9B952D925A0AC7356D121FA0F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_B5EBCB9B952D925A0AC7356D121FA0F6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_B5EBCB9B952D925A0AC7356D121FA0F6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedStockOptionAwardsMember" xlink:label="loc_livn_ServiceBasedStockOptionAwardsMember_9404536492F666CABC3D356D121F9C29" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:to="loc_livn_ServiceBasedStockOptionAwardsMember_9404536492F666CABC3D356D121F9C29" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedStockAppreciationRightsMember" xlink:label="loc_livn_ServiceBasedStockAppreciationRightsMember_C0F7257F8A837DDD86F4356D121FCC21" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:to="loc_livn_ServiceBasedStockAppreciationRightsMember_C0F7257F8A837DDD86F4356D121FCC21" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember" xlink:label="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_FDB890509E679128FD4C356D121FAAE6" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:to="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_FDB890509E679128FD4C356D121FAAE6" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember" xlink:label="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_24FC92A19E8C3FE8E9DA356D121F5DB7" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4B778841D51B2613E861356D121FE3D8" xlink:to="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_24FC92A19E8C3FE8E9DA356D121F5DB7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_A47E6E3050E87736A514356D121F6E5E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F5A4C118A6DFA9B5EDB8356D121FD7B7" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_A47E6E3050E87736A514356D121F6E5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_494EDDF22249757137C9356D121F863C" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_F5A4C118A6DFA9B5EDB8356D121FD7B7" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_494EDDF22249757137C9356D121F863C" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfPerformanceBasedRestrictedStockAndRestrictedStockUnitActivityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C658D7B0517D80338C43356D12152C5F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FE9F94BBC75ED2DDCA51356D121593C8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C658D7B0517D80338C43356D12152C5F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FE9F94BBC75ED2DDCA51356D121593C8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_F61E2BD83F0E83AF587F356D12152EAD" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FE9F94BBC75ED2DDCA51356D121593C8" xlink:to="loc_us-gaap_AwardTypeAxis_F61E2BD83F0E83AF587F356D12152EAD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_00343EF913EDE2104619356D1215F468_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_F61E2BD83F0E83AF587F356D12152EAD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_00343EF913EDE2104619356D1215F468_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_00343EF913EDE2104619356D1215F468" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_F61E2BD83F0E83AF587F356D12152EAD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_00343EF913EDE2104619356D1215F468" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember" xlink:label="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_F31E27B373AEC2C2DCFB356D12158D9E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_00343EF913EDE2104619356D1215F468" xlink:to="loc_livn_PerformanceBasedRestrictedShareAndRestrictedShareUnitMember_F31E27B373AEC2C2DCFB356D12158D9E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FC755504277B246134BB356D1215432A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C658D7B0517D80338C43356D12152C5F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_FC755504277B246134BB356D1215432A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_777C159FEF9D77C111A3356D121568D4" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C658D7B0517D80338C43356D12152C5F" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_777C159FEF9D77C111A3356D121568D4" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfRestrictedStockServiceBasedActivityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AFCB4D5A239CDEDE7516356D121830D6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1B83F1D4D6374E51CA62356D12183760" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AFCB4D5A239CDEDE7516356D121830D6" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1B83F1D4D6374E51CA62356D12183760" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_CAFCF55B9B0D666F711B356D12187AC2" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1B83F1D4D6374E51CA62356D12183760" xlink:to="loc_us-gaap_AwardTypeAxis_CAFCF55B9B0D666F711B356D12187AC2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE9470DE844A2C6189D356D121834CB_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_CAFCF55B9B0D666F711B356D12187AC2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE9470DE844A2C6189D356D121834CB_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE9470DE844A2C6189D356D121834CB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_CAFCF55B9B0D666F711B356D12187AC2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE9470DE844A2C6189D356D121834CB" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember" xlink:label="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_17381D3964E45C885D9C356D121817C7" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_FFE9470DE844A2C6189D356D121834CB" xlink:to="loc_livn_ServiceBasedRestrictedStockAndRestrictedStockUnitAwardsMember_17381D3964E45C885D9C356D121817C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D9CA4A68DAB7BB16C1F4356D1218EDAB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AFCB4D5A239CDEDE7516356D121830D6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D9CA4A68DAB7BB16C1F4356D1218EDAB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_56904809F6A8F69697EB356D1218357E" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AFCB4D5A239CDEDE7516356D121830D6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_56904809F6A8F69697EB356D1218357E" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansSummaryOfShareBasedCompensationStockOptionActivityDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockBasedIncentivePlansTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquity" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityComprehensiveIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_50F90B4D3187BE46087B382DA42D034C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9253CDD9D700242E9A37382DA42D2FB8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_50F90B4D3187BE46087B382DA42D034C" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9253CDD9D700242E9A37382DA42D2FB8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_8067DFC217E31FC64DDB382DA42DB6BA" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9253CDD9D700242E9A37382DA42D2FB8" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_8067DFC217E31FC64DDB382DA42DB6BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8067DFC217E31FC64DDB382DA42DB6BA" xlink:to="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8067DFC217E31FC64DDB382DA42DB6BA" xlink:to="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_A3F285EA8984BEE3777D382DA42DA601" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_A3F285EA8984BEE3777D382DA42DA601" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4CD72B655B918134D45F382DA42D8EDF" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_E540BFBA0BE9E8FDB377382DA42D8FB3" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_4CD72B655B918134D45F382DA42D8EDF" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:label="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_50F90B4D3187BE46087B382DA42D034C" xlink:to="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_A4855D52E6A2742AE9AA382DA42D4FC8" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_A4855D52E6A2742AE9AA382DA42D4FC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_F2805D0FC98BA4C014A2382DA42D8F56" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_F2805D0FC98BA4C014A2382DA42D8F56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_0D871D48DF8625F1CB62382DA42D7046" xlink:type="locator" />
    <definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_0D871D48DF8625F1CB62382DA42D7046" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_DF5E332D17F1AF615A0B382DA42DF805" xlink:type="locator" />
    <definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_DF5E332D17F1AF615A0B382DA42DF805" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_2F1B17786FB1AEADDCB9382DA42D320E" xlink:type="locator" />
    <definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_2F1B17786FB1AEADDCB9382DA42D320E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_80A480BE6C0673C6F18A382DA42DE4A8" xlink:type="locator" />
    <definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_80A480BE6C0673C6F18A382DA42DE4A8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_4A20AE77FFDB8920F7EA382DA42D177E" xlink:type="locator" />
    <definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_4A20AE77FFDB8920F7EA382DA42D177E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_78996C1E50280ECC9C15382DA42EA924" xlink:type="locator" />
    <definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_livn_AccumulatedOtherComprehensiveIncomeLossRollForward_1351B75E5CA96AAA4FC1382DA42D327A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_78996C1E50280ECC9C15382DA42EA924" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/StockholdersEquityTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformation" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformationDetails" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/TransitionPeriodFinancialInformationTables" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/Warranties" xlink:type="extended" />
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/WarrantiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_E1244DBB7328FF53A99F34911BFB9354" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_BBE7127E0F692C6E301E34911BF163C5" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_E1244DBB7328FF53A99F34911BFB9354" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_BBE7127E0F692C6E301E34911BF163C5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_6A1729F272AC9147D8C1349202BBECDB" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_BBE7127E0F692C6E301E34911BF163C5" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_6A1729F272AC9147D8C1349202BBECDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5D674CD99338FB76ED18349202BBF20A_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6A1729F272AC9147D8C1349202BBECDB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5D674CD99338FB76ED18349202BBF20A_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5D674CD99338FB76ED18349202BBF20A" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_6A1729F272AC9147D8C1349202BBECDB" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5D674CD99338FB76ED18349202BBF20A" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_MergerAgreementMember" xlink:label="loc_livn_MergerAgreementMember_800E9311095983FB5FA43492030B831F" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_5D674CD99338FB76ED18349202BBF20A" xlink:to="loc_livn_MergerAgreementMember_800E9311095983FB5FA43492030B831F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_9CD0AFA3DEBF9D9E88913492027F22B3" xlink:type="locator" />
    <definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_BBE7127E0F692C6E301E34911BF163C5" xlink:to="loc_dei_LegalEntityAxis_9CD0AFA3DEBF9D9E88913492027F22B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1116911F791A575DC7693492027F5AA0_default" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_9CD0AFA3DEBF9D9E88913492027F22B3" xlink:to="loc_dei_EntityDomain_1116911F791A575DC7693492027F5AA0_default" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1116911F791A575DC7693492027F5AA0" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_9CD0AFA3DEBF9D9E88913492027F22B3" xlink:to="loc_dei_EntityDomain_1116911F791A575DC7693492027F5AA0" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_SorinS.p.A.Member" xlink:label="loc_livn_SorinS.p.A.Member_3FF9E766D89288725762349202ED0AFF" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1116911F791A575DC7693492027F5AA0" xlink:to="loc_livn_SorinS.p.A.Member_3FF9E766D89288725762349202ED0AFF" xlink:type="arc" />
    <loc xlink:href="livn-20151231.xsd#livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWarrantyObligations" xlink:label="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWarrantyObligations_096F0DDE9C59209012A534919F6DFE2E" xlink:type="locator" />
    <definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_E1244DBB7328FF53A99F34911BFB9354" xlink:to="loc_livn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedWarrantyObligations_096F0DDE9C59209012A534919F6DFE2E" xlink:type="arc" />
  </definitionLink>
  <definitionLink xlink:role="http://www.livanova.cyberonics.com/role/WarrantiesTables" xlink:type="extended" />
</linkbase>
