

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://integralife.com/20161231" xmlns:iart="http://integralife.com/20161231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-roles-2016-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2016-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2016/elts/us-types-2016-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2016-01-31" schemaLocation="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2016-01-31" schemaLocation="http://xbrl.sec.gov/currency/2016/currency-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2016-01-31" schemaLocation="http://xbrl.sec.gov/exch/2016/exch-2016-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="iart-20161231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="iart-20161231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="iart-20161231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="iart-20161231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccumulatedOtherComprehensiveIncomeLoss" roleURI="http://integralife.com/role/AccumulatedOtherComprehensiveIncomeLoss">
        <link:definition>2113100 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossDetails" roleURI="http://integralife.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossDetails">
        <link:definition>2413402 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeLossTables" roleURI="http://integralife.com/role/AccumulatedOtherComprehensiveIncomeLossTables">
        <link:definition>2313301 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcqisitionsAndProFormaResultsFairValueSupplyAgreementsDetails" roleURI="http://integralife.com/role/AcqisitionsAndProFormaResultsFairValueSupplyAgreementsDetails">
        <link:definition>2404405 - Disclosure - ACQISITIONS AND PRO FORMA RESULTS (Fair Value Supply Agreements) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResults" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResults">
        <link:definition>2104100 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResultsNarrativeDetails" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResultsNarrativeDetails">
        <link:definition>2404402 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResultsProFormaFinancialInformationSummarizationResultsOfOperationsDetails" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResultsProFormaFinancialInformationSummarizationResultsOfOperationsDetails">
        <link:definition>2404406 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS (Pro Forma Financial Information Summarization Results of Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResultsRollForwardOfContingentConsiderationLiabilityForPurchaseOfTarsusMedicalDetails" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResultsRollForwardOfContingentConsiderationLiabilityForPurchaseOfTarsusMedicalDetails">
        <link:definition>2404404 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS (Roll Forward of Contingent Consideration Liability for Purchase of Tarsus Medical) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResultsScheduleOfAssetsAcquiredAndLiabilitiesAssumedDetails" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResultsScheduleOfAssetsAcquiredAndLiabilitiesAssumedDetails">
        <link:definition>2404403 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS (Schedule of Assets Acquired and Liabilities Assumed) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsAndProFormaResultsTables" roleURI="http://integralife.com/role/AcquisitionsAndProFormaResultsTables">
        <link:definition>2304301 - Disclosure - ACQUISITIONS AND PRO FORMA RESULTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Business" roleURI="http://integralife.com/role/Business">
        <link:definition>2101100 - Disclosure - BUSINESS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingencies" roleURI="http://integralife.com/role/CommitmentsAndContingencies">
        <link:definition>2114100 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesNarrativeDetails" roleURI="http://integralife.com/role/CommitmentsAndContingenciesNarrativeDetails">
        <link:definition>2414401 - Disclosure - COMMITMENTS AND CONTINGENCIES (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://integralife.com/role/ConsolidatedBalanceSheets">
        <link:definition>1003000 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://integralife.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>1003501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementOfChangesInStockholdersEquityParenthetical" roleURI="http://integralife.com/role/ConsolidatedStatementOfChangesInStockholdersEquityParenthetical">
        <link:definition>1005001 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfCashFlows" roleURI="http://integralife.com/role/ConsolidatedStatementsOfCashFlows">
        <link:definition>1004000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfChangesInStockholdersEquity" roleURI="http://integralife.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity">
        <link:definition>1005000 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfComprehensiveIncomeLoss" roleURI="http://integralife.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss">
        <link:definition>1002000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfOperations" roleURI="http://integralife.com/role/ConsolidatedStatementsOfOperations">
        <link:definition>1001000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://integralife.com/role/Debt">
        <link:definition>2105100 - Disclosure - DEBT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtComponentsOfInterestExpenseDetails" roleURI="http://integralife.com/role/DebtComponentsOfInterestExpenseDetails">
        <link:definition>2405404 - Disclosure - DEBT (Components of Interest Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtNarrativeDetails" roleURI="http://integralife.com/role/DebtNarrativeDetails">
        <link:definition>2405402 - Disclosure - DEBT (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleOfDebtMaturityDetails" roleURI="http://integralife.com/role/DebtScheduleOfDebtMaturityDetails">
        <link:definition>2405403 - Disclosure - DEBT (Schedule of Debt Maturity) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://integralife.com/role/DebtTables">
        <link:definition>2305301 - Disclosure - DEBT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstruments" roleURI="http://integralife.com/role/DerivativeInstruments">
        <link:definition>2106100 - Disclosure - DERIVATIVE INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsEffectOfDerivativeInstrumentsDesignatedCashFlowHedgesOnStatementsOfOperationsDetails" roleURI="http://integralife.com/role/DerivativeInstrumentsEffectOfDerivativeInstrumentsDesignatedCashFlowHedgesOnStatementsOfOperationsDetails">
        <link:definition>2406404 - Disclosure - DERIVATIVE INSTRUMENTS (Effect of Derivative Instruments Designated Cash Flow Hedges on Statements of Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsNarrativeDetails" roleURI="http://integralife.com/role/DerivativeInstrumentsNarrativeDetails">
        <link:definition>2406402 - Disclosure - DERIVATIVE INSTRUMENTS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsSummaryOfFairValueInBalanceSheetForDerivativesDesignatedHedgingInstrumentsDetails" roleURI="http://integralife.com/role/DerivativeInstrumentsSummaryOfFairValueInBalanceSheetForDerivativesDesignatedHedgingInstrumentsDetails">
        <link:definition>2406403 - Disclosure - DERIVATIVE INSTRUMENTS (Summary of Fair Value in Balance Sheet for Derivatives Designated Hedging Instruments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsTables" roleURI="http://integralife.com/role/DerivativeInstrumentsTables">
        <link:definition>2306301 - Disclosure - DERIVATIVE INSTRUMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperations" roleURI="http://integralife.com/role/DiscontinuedOperations">
        <link:definition>2103100 - Disclosure - DISCONTINUED OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsNarrativeDetails" roleURI="http://integralife.com/role/DiscontinuedOperationsNarrativeDetails">
        <link:definition>2403402 - Disclosure - DISCONTINUED OPERATIONS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesDiscontinuedOperationsDetails" roleURI="http://integralife.com/role/DiscontinuedOperationsSummaryOfAssetsAndLiabilitiesDiscontinuedOperationsDetails">
        <link:definition>2403404 - Disclosure - DISCONTINUED OPERATIONS (Summary of Assets and Liabilities, Discontinued Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsSummaryOfStatementsOfOperationsDiscontinuedOperationsDetails" roleURI="http://integralife.com/role/DiscontinuedOperationsSummaryOfStatementsOfOperationsDiscontinuedOperationsDetails">
        <link:definition>2403403 - Disclosure - DISCONTINUED OPERATIONS (Summary of Statements of Operations, Discontinued Operations) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DiscontinuedOperationsTables" roleURI="http://integralife.com/role/DiscontinuedOperationsTables">
        <link:definition>2303301 - Disclosure - DISCONTINUED OPERATIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://integralife.com/role/DocumentAndEntityInformation">
        <link:definition>0001000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://integralife.com/role/IncomeTaxes">
        <link:definition>2111100 - Disclosure - INCOME TAXES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://integralife.com/role/IncomeTaxesNarrativeDetails">
        <link:definition>2411404 - Disclosure - INCOME TAXES (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" roleURI="http://integralife.com/role/IncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesDetails">
        <link:definition>2411406 - Disclosure - INCOME TAXES (Schedule Of Deferred Tax Assets And Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleOfEffectiveTaxRateReconciliationDetails" roleURI="http://integralife.com/role/IncomeTaxesScheduleOfEffectiveTaxRateReconciliationDetails">
        <link:definition>2411403 - Disclosure - INCOME TAXES (Schedule of Effective Tax Rate Reconciliation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleOfIncomeBeforeIncomeTaxesDetails" roleURI="http://integralife.com/role/IncomeTaxesScheduleOfIncomeBeforeIncomeTaxesDetails">
        <link:definition>2411402 - Disclosure - INCOME TAXES (Schedule Of Income Before Income Taxes) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleOfProvisionForIncomeTaxesDetails" roleURI="http://integralife.com/role/IncomeTaxesScheduleOfProvisionForIncomeTaxesDetails">
        <link:definition>2411405 - Disclosure - INCOME TAXES (Schedule Of Provision For Income Taxes) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesScheduleOfUncertainTaxBenefitsReconciliationDetails" roleURI="http://integralife.com/role/IncomeTaxesScheduleOfUncertainTaxBenefitsReconciliationDetails">
        <link:definition>2411407 - Disclosure - INCOME TAXES (Schedule of Uncertain Tax Benefits Reconciliation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://integralife.com/role/IncomeTaxesTables">
        <link:definition>2311301 - Disclosure - INCOME TAXES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesAndRelatedPartyLeases" roleURI="http://integralife.com/role/LeasesAndRelatedPartyLeases">
        <link:definition>2110100 - Disclosure - LEASES AND RELATED PARTY LEASES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesAndRelatedPartyLeasesNarrativeDetails" roleURI="http://integralife.com/role/LeasesAndRelatedPartyLeasesNarrativeDetails">
        <link:definition>2410403 - Disclosure - LEASES AND RELATED PARTY LEASES (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesAndRelatedPartyLeasesScheduleOfMinimumLeasePaymentsDetails" roleURI="http://integralife.com/role/LeasesAndRelatedPartyLeasesScheduleOfMinimumLeasePaymentsDetails">
        <link:definition>2410402 - Disclosure - LEASES AND RELATED PARTY LEASES (Schedule Of Minimum Lease Payments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesAndRelatedPartyLeasesTables" roleURI="http://integralife.com/role/LeasesAndRelatedPartyLeasesTables">
        <link:definition>2310301 - Disclosure - LEASES AND RELATED PARTY LEASES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerShare" roleURI="http://integralife.com/role/NetIncomeLossPerShare">
        <link:definition>2112100 - Disclosure - NET INCOME (LOSS) PER SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerShareBasicAndDilutedNetIncomePerShareDetails" roleURI="http://integralife.com/role/NetIncomeLossPerShareBasicAndDilutedNetIncomePerShareDetails">
        <link:definition>2412402 - Disclosure - NET INCOME (LOSS) PER SHARE (Basic and Diluted Net Income Per Share) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerShareNarrativeDetails" roleURI="http://integralife.com/role/NetIncomeLossPerShareNarrativeDetails">
        <link:definition>2412403 - Disclosure - NET INCOME (LOSS) PER SHARE (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerShareTables" roleURI="http://integralife.com/role/NetIncomeLossPerShareTables">
        <link:definition>2312301 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementBenefitPlans" roleURI="http://integralife.com/role/RetirementBenefitPlans">
        <link:definition>2109100 - Disclosure - RETIREMENT BENEFIT PLANS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RetirementBenefitsPlansNarrativeDetails" roleURI="http://integralife.com/role/RetirementBenefitsPlansNarrativeDetails">
        <link:definition>2409401 - Disclosure - RETIREMENT BENEFITS PLANS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiValuationAndQualifyingAccounts" roleURI="http://integralife.com/role/ScheduleIiValuationAndQualifyingAccounts">
        <link:definition>2118100 - Schedule - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiValuationAndQualifyingAccountsDetails" roleURI="http://integralife.com/role/ScheduleIiValuationAndQualifyingAccountsDetails">
        <link:definition>2418401 - Schedule - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndGeographicInformation" roleURI="http://integralife.com/role/SegmentAndGeographicInformation">
        <link:definition>2115100 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndGeographicInformationNarrativeDetails" roleURI="http://integralife.com/role/SegmentAndGeographicInformationNarrativeDetails">
        <link:definition>2415402 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndGeographicInformationNetSalesAndProfitByReportableSegmentDetails" roleURI="http://integralife.com/role/SegmentAndGeographicInformationNetSalesAndProfitByReportableSegmentDetails">
        <link:definition>2415403 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION (Net Sales and Profit by Reportable Segment) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndGeographicInformationTables" roleURI="http://integralife.com/role/SegmentAndGeographicInformationTables">
        <link:definition>2315301 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentAndGeographicInformationTotalRevenueByMajorGeographicAreaDetails" roleURI="http://integralife.com/role/SegmentAndGeographicInformationTotalRevenueByMajorGeographicAreaDetails">
        <link:definition>2415404 - Disclosure - SEGMENT AND GEOGRAPHIC INFORMATION (Total Revenue by Major Geographic Area) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyInformationUnaudited" roleURI="http://integralife.com/role/SelectedQuarterlyInformationUnaudited">
        <link:definition>2117100 - Disclosure - SELECTED QUARTERLY INFORMATION - UNAUDITED</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyInformationUnauditedDetails" roleURI="http://integralife.com/role/SelectedQuarterlyInformationUnauditedDetails">
        <link:definition>2417402 - Disclosure - SELECTED QUARTERLY INFORMATION - UNAUDITED (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SelectedQuarterlyInformationUnauditedTables" roleURI="http://integralife.com/role/SelectedQuarterlyInformationUnauditedTables">
        <link:definition>2317301 - Disclosure - SELECTED QUARTERLY INFORMATION - UNAUDITED (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://integralife.com/role/StockBasedCompensation">
        <link:definition>2108100 - Disclosure - STOCK-BASED COMPENSATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationNarrativeDetails" roleURI="http://integralife.com/role/StockBasedCompensationNarrativeDetails">
        <link:definition>2408402 - Disclosure - STOCK-BASED COMPENSATION (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryOfEmployeeStockBasedCompensationExpenseDetails" roleURI="http://integralife.com/role/StockBasedCompensationSummaryOfEmployeeStockBasedCompensationExpenseDetails">
        <link:definition>2408403 - Disclosure - STOCK-BASED COMPENSATION (Summary Of Employee Stock-Based Compensation Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryOfStockOptionActivityDetails" roleURI="http://integralife.com/role/StockBasedCompensationSummaryOfStockOptionActivityDetails">
        <link:definition>2408405 - Disclosure - STOCK-BASED COMPENSATION (Summary Of Stock Option Activity) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryOfVestedAndUnvestedRestrictedStockPerformanceStockAndContractStockDetails" roleURI="http://integralife.com/role/StockBasedCompensationSummaryOfVestedAndUnvestedRestrictedStockPerformanceStockAndContractStockDetails">
        <link:definition>2408406 - Disclosure - STOCK-BASED COMPENSATION (Summary Of Vested And Unvested Restricted Stock, Performance Stock, and Contract Stock) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationSummaryOfWeightedAverageAssumptionsDetails" roleURI="http://integralife.com/role/StockBasedCompensationSummaryOfWeightedAverageAssumptionsDetails">
        <link:definition>2408404 - Disclosure - STOCK-BASED COMPENSATION (Summary Of Weighted-Average Assumptions) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://integralife.com/role/StockBasedCompensationTables">
        <link:definition>2308301 - Disclosure - STOCK-BASED COMPENSATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://integralife.com/role/SubsequentEvents">
        <link:definition>2116100 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsNarrativeDetails" roleURI="http://integralife.com/role/SubsequentEventsNarrativeDetails">
        <link:definition>2416401 - Disclosure - SUBSEQUENT EVENTS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>2102100 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesComponentsOfCompanysIdentifiableIntangibleAssetsDetails" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesComponentsOfCompanysIdentifiableIntangibleAssetsDetails">
        <link:definition>2402407 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Components Of Company's Identifiable Intangible Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesNarrativeDetails" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails">
        <link:definition>2402403 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2202201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingAmountOfGoodwillDetails" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfChangesInCarryingAmountOfGoodwillDetails">
        <link:definition>2402406 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Changes In Carrying Amount Of Goodwill) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesScheduleOfInventoriesNetDetails" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfInventoriesNetDetails">
        <link:definition>2402404 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Inventories, Net) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesScheduleOfPropertyPlantAndEquipmentBalancesAndCorrespondingLivesDetails" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfPropertyPlantAndEquipmentBalancesAndCorrespondingLivesDetails">
        <link:definition>2402405 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Property, Plant And Equipment Balances And Corresponding Lives) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://integralife.com/role/SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>2302302 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStock" roleURI="http://integralife.com/role/TreasuryStock">
        <link:definition>2107100 - Disclosure - TREASURY STOCK</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TreasuryStockNarrativeDetails" roleURI="http://integralife.com/role/TreasuryStockNarrativeDetails">
        <link:definition>2407401 - Disclosure - TREASURY STOCK (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="iart_AccountingStandardsUpdate201609Member" name="AccountingStandardsUpdate201609Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgeEffectBeforeTax" name="AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgeEffectBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_AccumulatedOtherComprehensiveIncomeLossRollForward" name="AccumulatedOtherComprehensiveIncomeLossRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_AdditionalEPSShares" name="AdditionalEPSShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="iart_AmendmenttotheCertificateofIncorporationandStockSplitPolicyTextBlock" name="AmendmenttotheCertificateofIncorporationandStockSplitPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_AmortizationOfDebtDiscountPremiumInterestCostsCapitalized" name="AmortizationOfDebtDiscountPremiumInterestCostsCapitalized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_AnkleProductFamilyMember" name="AnkleProductFamilyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_AnnualRateOfLeaseAgreement" name="AnnualRateOfLeaseAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_AugustTwoThousandFifteenAmendmentMember" name="AugustTwoThousandFifteenAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_BusinessAcquisitionContingentConsiderationRollForward" name="BusinessAcquisitionContingentConsiderationRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationAlternativeTransactionThresholdPercentageofAssets" name="BusinessCombinationAlternativeTransactionThresholdPercentageofAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationArrangementsArrangementExtensionPeriod" name="BusinessCombinationContingentConsiderationArrangementsArrangementExtensionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationArrangementsPeriodofContingentConsiderationArrangement" name="BusinessCombinationContingentConsiderationArrangementsPeriodofContingentConsiderationArrangement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationArrangementsRangeofOutcomesValueIncrementalDecreaseinLiability" name="BusinessCombinationContingentConsiderationArrangementsRangeofOutcomesValueIncrementalDecreaseinLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationArrangementsRangeofOutcomesValueIncrementalIncreaseinLiability" name="BusinessCombinationContingentConsiderationArrangementsRangeofOutcomesValueIncrementalIncreaseinLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationArrangementsRequiredNumberofDaysforExtension" name="BusinessCombinationContingentConsiderationArrangementsRequiredNumberofDaysforExtension" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationAssetMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease" name="BusinessCombinationContingentConsiderationAssetMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationAssetRevenueThresholdToRealizeAsset" name="BusinessCombinationContingentConsiderationAssetRevenueThresholdToRealizeAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationContingentConsiderationPotentialTerminationFee" name="BusinessCombinationContingentConsiderationPotentialTerminationFee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationExpectedConsiderationToBeTransferred" name="BusinessCombinationExpectedConsiderationToBeTransferred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationIndemnificationAssetsPeriodofIndemnification" name="BusinessCombinationIndemnificationAssetsPeriodofIndemnification" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccruedExpensesandOtherLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccruedExpensesandOtherLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="iart_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedIncomeTaxReceivable" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedIncomeTaxReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="iart_BusinessCombinationReimbursementExpenseOfferNotAcceptedPriortoExpiration" name="BusinessCombinationReimbursementExpenseOfferNotAcceptedPriortoExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationTerminationFeeDueifAlternateProposalAcceptedPeriodAfterTerminationofOffer" name="BusinessCombinationTerminationFeeDueifAlternateProposalAcceptedPeriodAfterTerminationofOffer" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_BusinessCombinationsContingentConsiderationArrangementPeriodofTransitionalSupplyPriceIncreases" name="BusinessCombinationsContingentConsiderationArrangementPeriodofTransitionalSupplyPriceIncreases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_CashBalanceThresholdAboveWhichExcessCashIsNotSubjectToRestrictionOfUse" name="CashBalanceThresholdAboveWhichExcessCashIsNotSubjectToRestrictionOfUse" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_CashConsiderationOneMember" name="CashConsiderationOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_CashConsiderationTwoMember" name="CashConsiderationTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_CharitableContributions" name="CharitableContributions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_CommonStockFractionalSharesIssued" name="CommonStockFractionalSharesIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="iart_CommonStockStockSplitNumberofAdditionalSharesofCommonStockForEachShareHeld" name="CommonStockStockSplitNumberofAdditionalSharesofCommonStockForEachShareHeld" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_CompletedTechnologyMember" name="CompletedTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ComponentsOfInterestExpenseTableTableTextBlock" name="ComponentsOfInterestExpenseTableTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ConcentrationRiskNumberofCustomersOverBenchmark" name="ConcentrationRiskNumberofCustomersOverBenchmark" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_ConfluentSurgicalInc.Member" name="ConfluentSurgicalInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_DePuySynthesMember" name="DePuySynthesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_DeferredTaxAssetsTaxCreditCarryforwardsFederalandState" name="DeferredTaxAssetsTaxCreditCarryforwardsFederalandState" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="iart_DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsEmployeeVacation" name="DeferredTaxAssetsTaxDeferredExpenseCompensationandBenefitsEmployeeVacation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_DeferredTaxLiabilityMember" name="DeferredTaxLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_DerivativeNumberofFinancialInstitutions" name="DerivativeNumberofFinancialInstitutions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="iart_DerivativePriceOfCallTransactionStrikePrice" name="DerivativePriceOfCallTransactionStrikePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_DermaSciencesMember" name="DermaSciencesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_DisposalGroupIncludingDiscontinuedOperationAccruedCompensationCurrent" name="DisposalGroupIncludingDiscontinuedOperationAccruedCompensationCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="iart_DisposalGroupIncludingDiscontinuedOperationDistributionofSpinoffSharesPercent" name="DisposalGroupIncludingDiscontinuedOperationDistributionofSpinoffSharesPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_DisposalGroupIncludingDiscontinuedOperationOperatingExpenseandCostofGoodsSold" name="DisposalGroupIncludingDiscontinuedOperationOperatingExpenseandCostofGoodsSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet" name="DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveForeignIncomeTaxRateReconciliationContinuingOperations" name="EffectiveForeignIncomeTaxRateReconciliationContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveForeignIncomeTaxRateReconciliationIncreaseDecreaseDuringPeriodPercent" name="EffectiveForeignIncomeTaxRateReconciliationIncreaseDecreaseDuringPeriodPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveIncomeTaxRateReconciliationChangeinDeferredTaxAssetsValuationAllowanceDuetoAcquisitionPercent" name="EffectiveIncomeTaxRateReconciliationChangeinDeferredTaxAssetsValuationAllowanceDuetoAcquisitionPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveIncomeTaxRateReconciliationDeductionIntercompanyInventoryPercent" name="EffectiveIncomeTaxRateReconciliationDeductionIntercompanyInventoryPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveIncomeTaxRateReconciliationIncreaseDecreaseDuringPeriodPercent" name="EffectiveIncomeTaxRateReconciliationIncreaseDecreaseDuringPeriodPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLegalandProfessionalPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLegalandProfessionalPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount" name="EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_EmployeeStockPurchasePlanProceeds" name="EmployeeStockPurchasePlanProceeds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_EstimatedTaxLiabilityonUndistributedEarningsofForeignSubsidiaries" name="EstimatedTaxLiabilityonUndistributedEarningsofForeignSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="iart_ExtendedWarrantiesInYears" name="ExtendedWarrantiesInYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_FairValueInputProbabilityofEvent" name="FairValueInputProbabilityofEvent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_FairValueMeasurementwithUnobservableInputsReconciliationLiabilityTransfersFromLongTermtoCurrent" name="FairValueMeasurementwithUnobservableInputsReconciliationLiabilityTransfersFromLongTermtoCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityOther" name="FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member" name="FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member" name="FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_FoundationPolicyTextBlock" name="FoundationPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_FourthAmendmentMember" name="FourthAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_GoodwillAndOtherIntangibleAssetsLineItems" name="GoodwillAndOtherIntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ImpairmentofIntangibleAssetsFinitelivedNumberofAssetsImpaired" name="ImpairmentofIntangibleAssetsFinitelivedNumberofAssetsImpaired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_IncomeTaxLineItems" name="IncomeTaxLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_IncomeTaxTable" name="IncomeTaxTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_IncreaseInAuthorizedShares" name="IncreaseInAuthorizedShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_IncrementalCommonSharesAttributabletoDilutiveEffectofConversionofDebtSecuritiesandRelatedWarrants" name="IncrementalCommonSharesAttributabletoDilutiveEffectofConversionofDebtSecuritiesandRelatedWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_IndemnificationPeriodOneMember" name="IndemnificationPeriodOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_IndemnificationPeriodTwoMember" name="IndemnificationPeriodTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InformationSystemsandHardwareMember" name="InformationSystemsandHardwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InformationTechnologyandAdministrativeSupportMember" name="InformationTechnologyandAdministrativeSupportMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_IntegraSupplierContractMember" name="IntegraSupplierContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_InterestExpenseDebtExcludingAmortizationInterestCostsCapitalized" name="InterestExpenseDebtExcludingAmortizationInterestCostsCapitalized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InterestRateSwapFourMember" name="InterestRateSwapFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InterestRateSwapOneMember" name="InterestRateSwapOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InterestRateSwapThreeMember" name="InterestRateSwapThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_InterestRateSwapTwoMember" name="InterestRateSwapTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_InventoryCapitalizedExpenses" name="InventoryCapitalizedExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_JulyTwoThousandFourteenAmendmentMember" name="JulyTwoThousandFourteenAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_MedtronicMicroFranceMember" name="MedtronicMicroFranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_MetasurgMember" name="MetasurgMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_NonIssuedVestedRestrictedStockUnits" name="NonIssuedVestedRestrictedStockUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="iart_NumberofReportableSegments.GoodwillReallocated" name="NumberofReportableSegments.GoodwillReallocated" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_OptionToExtendLeaseYears" name="OptionToExtendLeaseYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_OrthopedicsandTissueTechnologiesMember" name="OrthopedicsandTissueTechnologiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentNetofSpinoff" name="OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentNetofSpinoff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_PaymentOfAccretedInterestCashFlow" name="PaymentOfAccretedInterestCashFlow" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_PaymentPerYearToRelatedPartyLessor" name="PaymentPerYearToRelatedPartyLessor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="iart_PaymentforContingentConsiderationLiabilityInvestingActivities" name="PaymentforContingentConsiderationLiabilityInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_PaymentstoAcquireBusinessesPaymentforBusinessInterest" name="PaymentstoAcquireBusinessesPaymentforBusinessInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_PaymentstoAcquireBusinessesPaymentsforTransitionalSupplyAgreement" name="PaymentstoAcquireBusinessesPaymentsforTransitionalSupplyAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="iart_PercentOfManufacturingFacilityOwnedByCorporationWhoseShareholdersAreTrustsWhoseBeneficiariesIncludeFamilyMembersOfCompanysFormerChairman" name="PercentOfManufacturingFacilityOwnedByCorporationWhoseShareholdersAreTrustsWhoseBeneficiariesIncludeFamilyMembersOfCompanysFormerChairman" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_PerformanceSharesandRestrictedUnitsMember" name="PerformanceSharesandRestrictedUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_PerformanceStockandContractStockMember" name="PerformanceStockandContractStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_PeriodForExtendedLease" name="PeriodForExtendedLease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_RelatedPartiesMember" name="RelatedPartiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_RelatedPartyMember" name="RelatedPartyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_RelatedPartySharedManagementNumberofCommonEmployees" name="RelatedPartySharedManagementNumberofCommonEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_RestOfWorldMember" name="RestOfWorldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_RestrictedStockPerformanceStockAndContractStockMember" name="RestrictedStockPerformanceStockAndContractStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ReturnPolicyIssueofCreditNumberofDaysfromShipment" name="ReturnPolicyIssueofCreditNumberofDaysfromShipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SaltoandFuturaMember" name="SaltoandFuturaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_ScheduleOfCompanysIdentifiableIntangibleAssetsTable" name="ScheduleOfCompanysIdentifiableIntangibleAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ScheduleOfNetSalesAndOperatingIncomeByReportableSegmentTableTableTextBlock" name="ScheduleOfNetSalesAndOperatingIncomeByReportableSegmentTableTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SeaSpineInc.Member" name="SeaSpineInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_SegmentReportingInformationNumberofProductsOffered" name="SegmentReportingInformationNumberofProductsOffered" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SellingGeneralAndAdministrativeMember" name="SellingGeneralAndAdministrativeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SeniorCreditFacilityAxis" name="SeniorCreditFacilityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SeniorCreditFacilityDomain" name="SeniorCreditFacilityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SeniorCreditFacilityMember" name="SeniorCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriodDirectors" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriodDirectors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriodEmployees" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriodEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodDirectors" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodDirectors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodEmployees" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_ShareRatioforIssuanceofSpinoffCompanyStock" name="ShareRatioforIssuanceofSpinoffCompanyStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsforPerformanceAchievementShares" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsforPerformanceAchievementShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsforPerformanceAchievementWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdjustmentsforPerformanceAchievementWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedbutNotReleasedinPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedbutNotReleasedinPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedbutNotReleasedinPeriodWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsVestedbutNotReleasedinPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SpecialtySurgicalSolutionsMember" name="SpecialtySurgicalSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_StrikePriceOfWarrantTransactions" name="StrikePriceOfWarrantTransactions" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SupplierRelationshipsIdentifiableIntangibleAssetsMember" name="SupplierRelationshipsIdentifiableIntangibleAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SupplyCommitmentAboveMarketMember" name="SupplyCommitmentAboveMarketMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SupplyCommitmentCurrentLongTermandAboveMarketMember" name="SupplyCommitmentCurrentLongTermandAboveMarketMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SupplyCommitmentLongTermMember" name="SupplyCommitmentLongTermMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SurgicalInstrumentKitsMember" name="SurgicalInstrumentKitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_SwinglineLoanMember" name="SwinglineLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TEIBiosciencesInc.Member" name="TEIBiosciencesInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TEIBiosciencesIncandTEIMedicalInc.Member" name="TEIBiosciencesIncandTEIMedicalInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TEIMedicalInc.Member" name="TEIMedicalInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TEIMember" name="TEIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TechnologyMember" name="TechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TekmedMember" name="TekmedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_TermLoanAmountOutstanding" name="TermLoanAmountOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="iart_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_ThirdPartiesMember" name="ThirdPartiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_ThirdPartyInsurerMember" name="ThirdPartyInsurerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_ToeProductFamilyMember" name="ToeProductFamilyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TrademarksBrandNamesMember" name="TrademarksBrandNamesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TwoThousandAndTwoThousandOnePlanMember" name="TwoThousandAndTwoThousandOnePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TwoThousandSixteenSeniorConvertibleNotesMember" name="TwoThousandSixteenSeniorConvertibleNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_TwoThousandThreePlanMember" name="TwoThousandThreePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_UnrecognizedTaxBenefitsDecreasesDuringPeriodAbstract" name="UnrecognizedTaxBenefitsDecreasesDuringPeriodAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="iart_UnrecognizedTaxBenefitsIncreasesDuringPeriodAbstract" name="UnrecognizedTaxBenefitsIncreasesDuringPeriodAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="iart_UnrecognizedTaxBenefitsReductionsResultingFromOther" name="UnrecognizedTaxBenefitsReductionsResultingFromOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>





