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  <xsd:element id="icui_Legalsettlementcharge" name="Legalsettlementcharge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="icui_Legalsettlementsincludingamountsawardedinadisputeandchargesamountspaidoutinaseparatedispute." name="Legalsettlementsincludingamountsawardedinadisputeandchargesamountspaidoutinaseparatedispute." nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_MajorCustomerDisclosureAbstract" name="MajorCustomerDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_MarketSegmentBreakdownAbstract" name="MarketSegmentBreakdownAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_McdaContractMember" name="McdaContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_MexicoPropertyAndEquipmentMember" name="MexicoPropertyAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Miscellaneousacquisitionrelatedaccrual" name="Miscellaneousacquisitionrelatedaccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_MoldsMember" name="MoldsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_NetBookValueofBuilding" name="NetBookValueofBuilding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="icui_Netlegalsettlement" name="Netlegalsettlement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_NonCurrentDeferredTaxAssetGrossTotalMember" name="NonCurrentDeferredTaxAssetGrossTotalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_NoncurrentDeferredTaxAssetDepreciationAndAmortization" name="NoncurrentDeferredTaxAssetDepreciationAndAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="icui_NoncurrentDeferredTaxAssetTaxCreditsState" name="NoncurrentDeferredTaxAssetTaxCreditsState" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="icui_NoncurrentDeferredTaxLiabilityForeign" name="NoncurrentDeferredTaxLiabilityForeign" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_NoncurrentDeferredTaxLiabilityMember" name="NoncurrentDeferredTaxLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Noncurrentdeferredtaxasset" name="Noncurrentdeferredtaxasset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="icui_Noncurrentdeferredtaxassetacquiredfuturetaxdeductions" name="Noncurrentdeferredtaxassetacquiredfuturetaxdeductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_OncologyRevenueMember" name="OncologyRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OperatingLeasesAbstract" name="OperatingLeasesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OperatinglosscarryforwardsAbstract" name="OperatinglosscarryforwardsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OtherRevenueMember" name="OtherRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Outsidesalescommissions" name="Outsidesalescommissions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="icui_Percentageoftotalaccountsreceivable" name="Percentageoftotalaccountsreceivable" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Percentoftotalrevenue" name="Percentoftotalrevenue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PerformanceRestrictedStockUnitsPRSUsMember" name="PerformanceRestrictedStockUnitsPRSUsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PerformancestockoptionsMember" name="PerformancestockoptionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Performancestockoptionstotalgrantdatefairvalue" name="Performancestockoptionstotalgrantdatefairvalue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="icui_ProductmajorcustomerandconcentrationofcreditriskTextBlock" name="ProductmajorcustomerandconcentrationofcreditriskTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ProvisionForWarrantyAndReturns" name="ProvisionForWarrantyAndReturns" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_QuarterlyFinancialDataUnauditedAbstract" name="QuarterlyFinancialDataUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_RestrictedStockAndPerformanceRestrictedStockUnitsMember" name="RestrictedStockAndPerformanceRestrictedStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_RestrictedStockUnitsAbstract" name="RestrictedStockUnitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Restructuringandstrategictransactionexpense" name="Restructuringandstrategictransactionexpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="icui_Saleofassetsacquiredinacquisition" name="Saleofassetsacquiredinacquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="icui_ScheduleofSharebasedcompensationperformancestockoptionactivityTableTextBlock" name="ScheduleofSharebasedcompensationperformancestockoptionactivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ScheduleofemployeestockpurchaseplanESPPTableTextBlock" name="ScheduleofemployeestockpurchaseplanESPPTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ScheduleofrestrictedstockactivityTableTextBlock" name="ScheduleofrestrictedstockactivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ScheduleofstockcompensationandrelatedtaxbenefitsTableTextBlock" name="ScheduleofstockcompensationandrelatedtaxbenefitsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Sellingpriceofbuilding" name="Sellingpriceofbuilding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_ShareawarddataAbstract" name="ShareawarddataAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_SharesAvailableInEmployeeStockPurchasePlan" name="SharesAvailableInEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="icui_Shareswithheldforoptionexerciseinlieuofcashpayment" name="Shareswithheldforoptionexerciseinlieuofcashpayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SlovakiaPropertyAndEquipmentMember" name="SlovakiaPropertyAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_StockholderRightsPlanAbstract" name="StockholderRightsPlanAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_StockholderrightsplanTextBlock" name="StockholderrightsplanTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_StrategicTransactionCosts" name="StrategicTransactionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_TaxCreditsMember" name="TaxCreditsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Timebasedoptionsgrantdatefairvalue" name="Timebasedoptionsgrantdatefairvalue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_TimebasedstockoptionMember" name="TimebasedstockoptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_TreasruyStockAbstract" name="TreasruyStockAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_TreasuryStockPurchasePlan" name="TreasuryStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="icui_TreasuryStockPurchasePlanRemainingAvailable" name="TreasuryStockPurchasePlanRemainingAvailable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_UnitedStatespropertyandequipmentMember" name="UnitedStatespropertyandequipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_UnrecognizedtaxbenefitsAbstract" name="UnrecognizedtaxbenefitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_Valueofoptionexerciseswithsharesremittedtothecompanyinlieuofcashpayment" name="Valueofoptionexerciseswithsharesremittedtothecompanyinlieuofcashpayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>