

<!--XBRL Document Created with WebFilings-->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.icumed.com/20111231" xmlns:icui="http://www.icumed.com/20111231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:us-types="http://fasb.org/us-types/2011-01-31" 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/2011-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2011-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2011/elts/us-roles-2011-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2011-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2011/elts/us-types-2011-01-31.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/2011-01-31" schemaLocation="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2011-01-31" schemaLocation="http://xbrl.sec.gov/currency/2011/currency-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2011-01-31" schemaLocation="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2011-01-31" schemaLocation="http://xbrl.sec.gov/exch/2011/exch-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2011-01-31" schemaLocation="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.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="icui-20111231_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="icui-20111231_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="icui-20111231_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="icui-20111231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccruedLiabilities" roleURI="http://www.icumed.com/role/AccruedLiabilities">
        <link:definition>2115100 - Disclosure - Accrued Liabilities</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="AccruedLiabilitiesDetails" roleURI="http://www.icumed.com/role/AccruedLiabilitiesDetails">
        <link:definition>2415402 - Disclosure - Accrued 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="AccruedLiabilitiesTables" roleURI="http://www.icumed.com/role/AccruedLiabilitiesTables">
        <link:definition>2315301 - Disclosure - Accrued Liabilities (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="AssetPurchase" roleURI="http://www.icumed.com/role/AssetPurchase">
        <link:definition>2116100 - Disclosure - Asset Purchase</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="AssetPurchaseDetails" roleURI="http://www.icumed.com/role/AssetPurchaseDetails">
        <link:definition>2416402 - Disclosure - Asset Purchase (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="AssetPurchaseTables" roleURI="http://www.icumed.com/role/AssetPurchaseTables">
        <link:definition>2316301 - Disclosure - Asset Purchase (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="CommitmentsAndContingencies" roleURI="http://www.icumed.com/role/CommitmentsAndContingencies">
        <link:definition>2122100 - 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="CommitmentsAndContingenciesDetails" roleURI="http://www.icumed.com/role/CommitmentsAndContingenciesDetails">
        <link:definition>2422402 - Disclosure - Commitments and Contingencies (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="CommitmentsAndContingenciesTables" roleURI="http://www.icumed.com/role/CommitmentsAndContingenciesTables">
        <link:definition>2322301 - Disclosure - Commitments and Contingencies (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="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://www.icumed.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>1001500 - Statement - Condensed 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="ConsolidatedBalanceSheets" roleURI="http://www.icumed.com/role/ConsolidatedBalanceSheets">
        <link:definition>1001000 - 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="ConsolidatedStatementsOfCashFlows" roleURI="http://www.icumed.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="ConsolidatedStatementsOfIncome" roleURI="http://www.icumed.com/role/ConsolidatedStatementsOfIncome">
        <link:definition>1002000 - Statement - Consolidated Statements of Income</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="ConsolidatedStatementsOfShareholdersEquityParentheticals" roleURI="http://www.icumed.com/role/ConsolidatedStatementsOfShareholdersEquityParentheticals">
        <link:definition>1003500 - Statement - Consolidated Statements of Shareholders' Equity (Parentheticals)</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="ConsolidatedStatementsOfStockholdersEquityAndComprehensiveIncome" roleURI="http://www.icumed.com/role/ConsolidatedStatementsOfStockholdersEquityAndComprehensiveIncome">
        <link:definition>1003000 - Statement - Consolidated Statements of Stockholders Equity and Comprehensive Income</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://www.icumed.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="ExitActivityFromItalyAndGermanyFacilitiesDetails" roleURI="http://www.icumed.com/role/ExitActivityFromItalyAndGermanyFacilitiesDetails">
        <link:definition>2408401 - Disclosure - Exit Activity from Italy and Germany Facilities: (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="ExitActivityFromItayAndGermanyFacilities" roleURI="http://www.icumed.com/role/ExitActivityFromItayAndGermanyFacilities">
        <link:definition>2108100 - Disclosure - Exit Activity from Itay and Germany Facilities</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="FairValueMeasurement" roleURI="http://www.icumed.com/role/FairValueMeasurement">
        <link:definition>2113100 - Disclosure - Fair Value Measurement:</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="FairValueMeasurementDetails" roleURI="http://www.icumed.com/role/FairValueMeasurementDetails">
        <link:definition>2413402 - Disclosure - Fair Value Measurement: (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="FairValueMeasurementTables" roleURI="http://www.icumed.com/role/FairValueMeasurementTables">
        <link:definition>2313301 - Disclosure - Fair Value Measurement: (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="IncomeTaxes" roleURI="http://www.icumed.com/role/IncomeTaxes">
        <link:definition>2117100 - 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="IncomeTaxesEffectiveTaxRateDetails" roleURI="http://www.icumed.com/role/IncomeTaxesEffectiveTaxRateDetails">
        <link:definition>2417402 - Disclosure - Income Taxes: Effective tax rate (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="IncomeTaxesIncomeTaxTables" roleURI="http://www.icumed.com/role/IncomeTaxesIncomeTaxTables">
        <link:definition>2317301 - Disclosure - Income Taxes: Income tax (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="InvestmentSecurities" roleURI="http://www.icumed.com/role/InvestmentSecurities">
        <link:definition>2114100 - Disclosure - Investment Securities:</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="InvestmentSecuritiesDetails" roleURI="http://www.icumed.com/role/InvestmentSecuritiesDetails">
        <link:definition>2414402 - Disclosure - Investment Securities: (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="InvestmentSecuritiesTables" roleURI="http://www.icumed.com/role/InvestmentSecuritiesTables">
        <link:definition>2314301 - Disclosure - Investment Securities: (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="LegalSettlement" roleURI="http://www.icumed.com/role/LegalSettlement">
        <link:definition>2106100 - Disclosure - Legal Settlement:</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="LegalSettlementDetails" roleURI="http://www.icumed.com/role/LegalSettlementDetails">
        <link:definition>2406401 - Disclosure - Legal Settlement: (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="MajorCustomer" roleURI="http://www.icumed.com/role/MajorCustomer">
        <link:definition>2118100 - Disclosure - Major Customer:</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="OperatingLeases" roleURI="http://www.icumed.com/role/OperatingLeases">
        <link:definition>2121100 - Disclosure - Operating 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="OperatingLeasesDetails" roleURI="http://www.icumed.com/role/OperatingLeasesDetails">
        <link:definition>2421402 - Disclosure - Operating Leases (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="OperatingLeasesTables" roleURI="http://www.icumed.com/role/OperatingLeasesTables">
        <link:definition>2321301 - Disclosure - Operating 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="ProductsMajorCustomerConcentrationOfCreditRiskDetails" roleURI="http://www.icumed.com/role/ProductsMajorCustomerConcentrationOfCreditRiskDetails">
        <link:definition>2418401 - Disclosure - Products, Major Customer, Concentration of Credit Risk (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="QuarterlyFinancialData" roleURI="http://www.icumed.com/role/QuarterlyFinancialData">
        <link:definition>2124100 - Disclosure - Quarterly Financial Data</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="QuarterlyFinancialDataDetails" roleURI="http://www.icumed.com/role/QuarterlyFinancialDataDetails">
        <link:definition>2424402 - Disclosure - Quarterly Financial Data (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="QuarterlyFinancialDataTables" roleURI="http://www.icumed.com/role/QuarterlyFinancialDataTables">
        <link:definition>2324301 - Disclosure - Quarterly Financial Data (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="RestatementOfPreviouslyIssuedConsolidatedFinancialStatements" roleURI="http://www.icumed.com/role/RestatementOfPreviouslyIssuedConsolidatedFinancialStatements">
        <link:definition>2123100 - Disclosure - Restatement of previously issued consolidated financial statements</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="RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsDetails" roleURI="http://www.icumed.com/role/RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsDetails">
        <link:definition>2423402 - Disclosure - Restatement of previously issued consolidated financial statements (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="RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsRestatementOfStatementsOfOperationsDetails" roleURI="http://www.icumed.com/role/RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsRestatementOfStatementsOfOperationsDetails">
        <link:definition>2423403 - Disclosure - Restatement of previously issued consolidated financial statements Restatement of 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="RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsTables" roleURI="http://www.icumed.com/role/RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsTables">
        <link:definition>2323301 - Disclosure - Restatement of previously issued consolidated financial statements (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="SaleOfAssets" roleURI="http://www.icumed.com/role/SaleOfAssets">
        <link:definition>2104100 - Disclosure - Sale of Assets</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="SaleOfAssetsDetails" roleURI="http://www.icumed.com/role/SaleOfAssetsDetails">
        <link:definition>2404402 - Disclosure - Sale of 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="SaleOfAssetsTables" roleURI="http://www.icumed.com/role/SaleOfAssetsTables">
        <link:definition>2304301 - Disclosure - Sale of Assets (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="SharedBasedAwards" roleURI="http://www.icumed.com/role/SharedBasedAwards">
        <link:definition>2109100 - Disclosure - Shared Based Awards</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="SharedBasedAwardsDetails" roleURI="http://www.icumed.com/role/SharedBasedAwardsDetails">
        <link:definition>2409402 - Disclosure - Shared Based Awards (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="SharedBasedAwardsTables" roleURI="http://www.icumed.com/role/SharedBasedAwardsTables">
        <link:definition>2309301 - Disclosure - Shared Based Awards (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="StockholderRightsPlan" roleURI="http://www.icumed.com/role/StockholderRightsPlan">
        <link:definition>2120100 - Disclosure - Stockholder Rights Plan</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="StockholderRightsPlanDetails" roleURI="http://www.icumed.com/role/StockholderRightsPlanDetails">
        <link:definition>2420402 - Disclosure - Stockholder Rights Plan (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="StockholderRightsPlanTables" roleURI="http://www.icumed.com/role/StockholderRightsPlanTables">
        <link:definition>2320301 - Disclosure - Stockholder Rights Plan (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="SummaryOfSignificantAccountingPolicies" roleURI="http://www.icumed.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="SummaryOfSignificantAccountingPoliciesForeignCurrencyTranslationDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesForeignCurrencyTranslationDetails">
        <link:definition>2402409 - Disclosure - Summary of Significant Accounting Policies Foreign Currency Translation (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="SummaryOfSignificantAccountingPoliciesGoodwillDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesGoodwillDetails">
        <link:definition>2402405 - Disclosure - Summary of Significant Accounting Policies 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="SummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesIntangibleAssetsDetails">
        <link:definition>2402406 - Disclosure - Summary of Significant Accounting Policies 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="SummaryOfSignificantAccountingPoliciesInventoryDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesInventoryDetails">
        <link:definition>2402403 - Disclosure - Summary of Significant Accounting Policies Inventory (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="SummaryOfSignificantAccountingPoliciesNetIncomePerShareDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesNetIncomePerShareDetails">
        <link:definition>2402407 - Disclosure - Summary of Significant Accounting Policies 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="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.icumed.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="SummaryOfSignificantAccountingPoliciesPostRetirementAndPostEmploymentBenefitsDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesPostRetirementAndPostEmploymentBenefitsDetails">
        <link:definition>2402408 - Disclosure - Summary of Significant Accounting Policies Post-retirement and Post-employment Benefits (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="SummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDetails" roleURI="http://www.icumed.com/role/SummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDetails">
        <link:definition>2402404 - Disclosure - Summary of Significant Accounting Policies Property and Equipment (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://www.icumed.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://www.icumed.com/role/TreasuryStock">
        <link:definition>2119100 - 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="TreasuryStockDetails" roleURI="http://www.icumed.com/role/TreasuryStockDetails">
        <link:definition>2419402 - Disclosure - Treasury 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="TreasuryStockTables" roleURI="http://www.icumed.com/role/TreasuryStockTables">
        <link:definition>2319301 - Disclosure - Treasury Stock (Tables)</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="icui_AccountsReceivableChangeMember" name="AccountsReceivableChangeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AccrualsOtherMember" name="AccrualsOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_AccruedSalariesAndBenefits" name="AccruedSalariesAndBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="icui_AccruedValueAddedTax" name="AccruedValueAddedTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_AcquiredFutureTaxDeductionsMember" name="AcquiredFutureTaxDeductionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AsRestatedAxis" name="AsRestatedAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AsRestatedDomain" name="AsRestatedDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AsRestatedInStatementOfOperationsAxis" name="AsRestatedInStatementOfOperationsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AsRestatedInStatementOfOperationsDomain" name="AsRestatedInStatementOfOperationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AssetPurchaseAbstract" name="AssetPurchaseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_AssetPurchaseTextBlock" name="AssetPurchaseTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_AssetsDisposedBySale" name="AssetsDisposedBySale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="icui_AssetsPurchased" name="AssetsPurchased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_AssetsPurchasedFromHospira" name="AssetsPurchasedFromHospira" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AssetsSoldAxis" name="AssetsSoldAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_AssetsSoldDomain" name="AssetsSoldDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_CommitmentsAndContingenciesAbstract" name="CommitmentsAndContingenciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ComputerEquipmentAndSoftwareMember" name="ComputerEquipmentAndSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_CostOfGoodsSoldMember" name="CostOfGoodsSoldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_CriticalCareRevenueMember" name="CriticalCareRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_CurrentAssetsMember" name="CurrentAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_CurrentDeferredTaxAssetMember" name="CurrentDeferredTaxAssetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_DebtSecuritiesCallablePeriod" name="DebtSecuritiesCallablePeriod" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_DebtSecuritiesMaturityDateRangeLow" name="DebtSecuritiesMaturityDateRangeLow" nillable="true" substitutionGroup="xbrli:item" type="xbrli:gYearItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DeferredIncomeTaxProvisionAxis" name="DeferredIncomeTaxProvisionAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DeferredIncomeTaxProvisionDomain" name="DeferredIncomeTaxProvisionDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DeferredTaxAssetsAndLiabilitiesAxis" name="DeferredTaxAssetsAndLiabilitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DeferredTaxAssetsAndLiabilitiesDomain" name="DeferredTaxAssetsAndLiabilitiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_DeferredTaxLiabilityMexicanSubsidiary" name="DeferredTaxLiabilityMexicanSubsidiary" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element id="icui_DeferredTaxProvisionTableTextBlockTableTextBlock" name="DeferredTaxProvisionTableTextBlockTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DepreciationAndAmortizationMember" name="DepreciationAndAmortizationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_EsppAbstract" name="EsppAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_FixedAsssetsMember" name="FixedAsssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ForeignCurrencyTranslationMember" name="ForeignCurrencyTranslationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_GainOnSaleOfAssets" name="GainOnSaleOfAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="icui_GovernmentIncentiveReimbursement" name="GovernmentIncentiveReimbursement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_GrossProfitMember" name="GrossProfitMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_HospiraMember" name="HospiraMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_IncomeBeforeIncomeTaxesMember" name="IncomeBeforeIncomeTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_IncomeFromOperationsMember" name="IncomeFromOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_IncomeTaxesAbstract" name="IncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" name="IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="icui_IndirectTaxBenefitFromStockOptions" name="IndirectTaxBenefitFromStockOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_InfusionTherapyRevenueMember" name="InfusionTherapyRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_IntangibleAssetsMember" name="IntangibleAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_IntrinsicValueAbstract" name="IntrinsicValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_InvestmentSecuritiesAbstract" name="InvestmentSecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_LegalSettlementAbstract" name="LegalSettlementAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" 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_McdaContractMember" name="McdaContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_MoldsMember" name="MoldsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_NetSalesMember" name="NetSalesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_NoncurrentDeferredTaxAssetMember" name="NoncurrentDeferredTaxAssetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_NoncurrentDeferredTaxLiabilityMember" name="NoncurrentDeferredTaxLiabilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_NumberOfUnvestedGrants" name="NumberOfUnvestedGrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="icui_NumberOfUnvestedTimmeBasedOptions" name="NumberOfUnvestedTimmeBasedOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" 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 id="icui_OptionVestingPeriodHighEndOfRange" name="OptionVestingPeriodHighEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:gYearItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_OptionVestingPeriodLowEndOfRange" name="OptionVestingPeriodLowEndOfRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:gYearItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OrbitDiabetesProductLineMember" name="OrbitDiabetesProductLineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OriginallyStatedBalanceAxis" name="OriginallyStatedBalanceAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OriginallyStatedBalanceDomain" name="OriginallyStatedBalanceDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OriginallyStatedBalanceInFinancialStatementsAxis" name="OriginallyStatedBalanceInFinancialStatementsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_OriginallyStatedBalanceInStatementOfOperationsDomain" name="OriginallyStatedBalanceInStatementOfOperationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PrepaidAndDeferredIncomeTaxesIncludingExcessTaxBenefitsChangeMember" name="PrepaidAndDeferredIncomeTaxesIncludingExcessTaxBenefitsChangeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PrepaidIncomeTaxesMember" name="PrepaidIncomeTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ProceedsFromSaleOfOrbit" name="ProceedsFromSaleOfOrbit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_ProductmajorcustomerandconcentrationofcreditriskTextBlock" name="ProductmajorcustomerandconcentrationofcreditriskTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ProvisionForIncomeTaxesMember" name="ProvisionForIncomeTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PurchasePlan2008Member" name="PurchasePlan2008Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_PurchasePlan2010Member" name="PurchasePlan2010Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 id="icui_ResearchAndDevelopmentTaxCreditFromStockOptions" name="ResearchAndDevelopmentTaxCreditFromStockOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_RestatementOfBalanceSheetFromPreviouslyIssuedBalanceSheet" name="RestatementOfBalanceSheetFromPreviouslyIssuedBalanceSheet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_RestatementOfBalanceSheetItemsTable" name="RestatementOfBalanceSheetItemsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_RestatementOfCertainFinancialStatementItems" name="RestatementOfCertainFinancialStatementItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsAbstract" name="RestatementOfPreviouslyIssuedConsolidatedFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_RestructuringAndRelatedCostsByIncomeStatementLocationAxis" name="RestructuringAndRelatedCostsByIncomeStatementLocationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_RestructuringAndRelatedCostsByIncomeStatementLocationMember" name="RestructuringAndRelatedCostsByIncomeStatementLocationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SaleOfAssetsAbstract" name="SaleOfAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SaleOfAssetsTable" name="SaleOfAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="icui_SaleOfAssetsTextBlock" name="SaleOfAssetsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SalesGeneralAndAdministrativeExpenseMember" name="SalesGeneralAndAdministrativeExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_SalesOfAssetsLineItems" name="SalesOfAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ShareAwardsAvailableForIssuanceAdjustmentMember" name="ShareAwardsAvailableForIssuanceAdjustmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ShareAwardsInitialAuthorizedForIssuanceMember" name="ShareAwardsInitialAuthorizedForIssuanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ShareAwardsTotalAvailableForIssuanceMember" name="ShareAwardsTotalAvailableForIssuanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ShareBasedAwardsAbstract" name="ShareBasedAwardsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_ShareholdersEquityParentheticalAbstract" name="ShareholdersEquityParentheticalAbstract" 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 abstract="true" id="icui_StateIncomeTaxesMember" name="StateIncomeTaxesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_StockBasedCompensationMember" name="StockBasedCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_StockOptionActivityAbstract" name="StockOptionActivityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" 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 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 abstract="true" id="icui_TaxCreditsStateMember" name="TaxCreditsStateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="icui_TotalLiabilitiesAndStockholdersEquityMember" name="TotalLiabilitiesAndStockholdersEquityMember" 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:periodType="duration" />
  <xsd:element id="icui_UndistributedForeignSubsidiariesEarnings" name="UndistributedForeignSubsidiariesEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="icui_WeightedAverageTermAbstract" name="WeightedAverageTermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
</xsd:schema>