

<!-- Generated by Fujitsu XWand B0126 -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:icui="http://www.icumed.com/20100630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.icumed.com/role/CashFlows" xlink:href="icui-20100630.xsd#CashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.icumed.com/role/StatementOfIncome" xlink:href="icui-20100630.xsd#StatementOfIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.icumed.com/role/BalanceSheet" xlink:href="icui-20100630.xsd#BalanceSheet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.icumed.com/role/StatementOfStockholdersEquity" xlink:href="icui-20100630.xsd#StatementOfStockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.icumed.com/role/StatementOfStockholdersEquityCalc2" xlink:href="icui-20100630.xsd#StatementOfStockholdersEquityCalc2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.icumed.com/role/StatementOfComprehensiveIncome" xlink:href="icui-20100630.xsd#StatementOfComprehensiveIncome" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.icumed.com/role/BalanceSheet" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to PropertyPlantAndEquipmentNet" xlink:to="PropertyPlantAndEquipmentNet" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to IntangibleAssetsNetExcludingGoodwill" xlink:to="IntangibleAssetsNetExcludingGoodwill" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="DeferredTaxAssetsNetNoncurrent" xlink:title="DeferredTaxAssetsNetNoncurrent" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to DeferredTaxAssetsNetNoncurrent" xlink:to="DeferredTaxAssetsNetNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to AssetsCurrent" xlink:to="AssetsCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to AccountsReceivableNetCurrent" xlink:to="AccountsReceivableNetCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to InventoryNet" xlink:to="InventoryNet" xlink:type="arc" />
    <link:loc xlink:href="icui-20100630.xsd#icui_PrepaidExpensesAndOtherAssetsCurrent" xlink:label="PrepaidExpensesAndOtherAssetsCurrent" xlink:title="PrepaidExpensesAndOtherAssetsCurrent" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to PrepaidExpensesAndOtherAssetsCurrent" xlink:to="PrepaidExpensesAndOtherAssetsCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="DeferredTaxAssetsNetCurrent" xlink:title="DeferredTaxAssetsNetCurrent" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to DeferredTaxAssetsNetCurrent" xlink:to="DeferredTaxAssetsNetCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="CashCashEquivalentsAndShortTermInvestments" xlink:title="CashCashEquivalentsAndShortTermInvestments" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to CashCashEquivalentsAndShortTermInvestments" xlink:to="CashCashEquivalentsAndShortTermInvestments" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashCashEquivalentsAndShortTermInvestments" xlink:title="calculation: CashCashEquivalentsAndShortTermInvestments to CashAndCashEquivalentsAtCarryingValue" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="AvailableForSaleSecuritiesCurrent" xlink:title="AvailableForSaleSecuritiesCurrent" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashCashEquivalentsAndShortTermInvestments" xlink:title="calculation: CashCashEquivalentsAndShortTermInvestments to AvailableForSaleSecuritiesCurrent" xlink:to="AvailableForSaleSecuritiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="PrepaidTaxes" xlink:title="PrepaidTaxes" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:title="calculation: AssetsCurrent to PrepaidTaxes" xlink:to="PrepaidTaxes" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsHeldForSalePropertyPlantAndEquipment" xlink:label="AssetsHeldForSalePropertyPlantAndEquipment" xlink:title="AssetsHeldForSalePropertyPlantAndEquipment" xlink:type="locator" />
    <link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to AssetsHeldForSalePropertyPlantAndEquipment" xlink:to="AssetsHeldForSalePropertyPlantAndEquipment" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxesReceivableNoncurrent" xlink:label="IncomeTaxesReceivableNoncurrent_2" xlink:title="IncomeTaxesReceivableNoncurrent" xlink:type="locator" />
    <link:calculationArc order="7.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to IncomeTaxesReceivableNoncurrent" xlink:to="IncomeTaxesReceivableNoncurrent_2" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" xlink:type="locator" />
    <link:calculationArc order="4.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:title="calculation: Assets to Goodwill" xlink:to="Goodwill" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to DeferredTaxLiabilitiesNoncurrent" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilitiesCurrent" xlink:to="LiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableCurrent" xlink:to="AccountsPayableCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="AccruedLiabilitiesCurrent" xlink:title="AccruedLiabilitiesCurrent" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccruedLiabilitiesCurrent" xlink:to="AccruedLiabilitiesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="DeferredRevenueCurrent" xlink:title="DeferredRevenueCurrent" xlink:type="locator" />
    <link:calculationArc order="4.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to DeferredRevenueCurrent" xlink:to="DeferredRevenueCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="AccruedIncomeTaxesCurrent" xlink:title="AccruedIncomeTaxesCurrent" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccruedIncomeTaxesCurrent" xlink:to="AccruedIncomeTaxesCurrent" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" />
    <link:calculationArc order="4.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue" xlink:label="ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue" xlink:title="ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue" xlink:to="ConvertiblePreferredStockNonredeemableOrRedeemableIssuerOptionValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to CommonStockValue" xlink:to="CommonStockValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="TreasuryStockValue" xlink:title="TreasuryStockValue" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to TreasuryStockValue" xlink:to="TreasuryStockValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to RetainedEarningsAccumulatedDeficit" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" xlink:type="locator" />
    <link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to AdditionalPaidInCapitalCommonStock" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="LiabilityForUncertainTaxPositionsNoncurrent" xlink:title="LiabilityForUncertainTaxPositionsNoncurrent" xlink:type="locator" />
    <link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilityForUncertainTaxPositionsNoncurrent" xlink:to="LiabilityForUncertainTaxPositionsNoncurrent" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.icumed.com/role/StatementOfIncome" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:title="calculation: ProfitLoss to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to NonoperatingIncomeExpense" xlink:to="NonoperatingIncomeExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to OperatingIncomeLoss" xlink:to="OperatingIncomeLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:title="calculation: OperatingIncomeLoss to OperatingExpenses" xlink:to="OperatingExpenses" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="ResearchAndDevelopmentExpense" xlink:title="ResearchAndDevelopmentExpense" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:title="calculation: OperatingExpenses to ResearchAndDevelopmentExpense" xlink:to="ResearchAndDevelopmentExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="SellingGeneralAndAdministrativeExpense" xlink:title="SellingGeneralAndAdministrativeExpense" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:title="calculation: OperatingExpenses to SellingGeneralAndAdministrativeExpense" xlink:to="SellingGeneralAndAdministrativeExpense" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:title="calculation: OperatingIncomeLoss to GrossProfit" xlink:to="GrossProfit" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="CostOfGoodsSold" xlink:title="CostOfGoodsSold" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="GrossProfit" xlink:title="calculation: GrossProfit to CostOfGoodsSold" xlink:to="CostOfGoodsSold" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="GrossProfit" xlink:title="calculation: GrossProfit to Revenues" xlink:to="Revenues" xlink:type="arc" />
    <link:loc xlink:href="icui-20100630.xsd#icui_RevenueOther" xlink:label="RevenueOther" xlink:title="RevenueOther" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Revenues" xlink:title="calculation: Revenues to RevenueOther" xlink:to="RevenueOther" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="SalesRevenueGoodsNet" xlink:title="SalesRevenueGoodsNet" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Revenues" xlink:title="calculation: Revenues to SalesRevenueGoodsNet" xlink:to="SalesRevenueGoodsNet" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:title="calculation: ProfitLoss to IncomeTaxExpenseBenefit" xlink:to="IncomeTaxExpenseBenefit" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.icumed.com/role/CashFlows" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:title="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="locator" />
    <link:calculationArc order="4.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to EffectOfExchangeRateOnCashAndCashEquivalents" xlink:to="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities" xlink:type="locator" />
    <link:calculationArc order="1.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInOperatingActivities" xlink:to="NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to DepreciationDepletionAndAmortization" xlink:to="DepreciationDepletionAndAmortization" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="ProvisionForDoubtfulAccounts" xlink:title="ProvisionForDoubtfulAccounts" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ProvisionForDoubtfulAccounts" xlink:to="ProvisionForDoubtfulAccounts" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ShareBasedCompensation" xlink:to="ShareBasedCompensation" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="GainLossOnSaleOfPropertyPlantEquipment" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to GainLossOnSaleOfPropertyPlantEquipment" xlink:to="GainLossOnSaleOfPropertyPlantEquipment" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="IncreaseDecreaseInAccountsReceivable" xlink:title="IncreaseDecreaseInAccountsReceivable" xlink:type="locator" />
    <link:calculationArc order="7.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInAccountsReceivable" xlink:to="IncreaseDecreaseInAccountsReceivable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="IncreaseDecreaseInInventories" xlink:title="IncreaseDecreaseInInventories" xlink:type="locator" />
    <link:calculationArc order="8.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInInventories" xlink:to="IncreaseDecreaseInInventories" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="locator" />
    <link:calculationArc order="9.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="IncreaseDecreaseInAccountsPayable" xlink:title="IncreaseDecreaseInAccountsPayable" xlink:type="locator" />
    <link:calculationArc order="10.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInAccountsPayable" xlink:to="IncreaseDecreaseInAccountsPayable" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="IncreaseDecreaseInAccruedLiabilities" xlink:title="IncreaseDecreaseInAccruedLiabilities" xlink:type="locator" />
    <link:calculationArc order="11.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInAccruedLiabilities" xlink:to="IncreaseDecreaseInAccruedLiabilities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="IncreaseDecreaseInDeferredRevenue" xlink:title="IncreaseDecreaseInDeferredRevenue" xlink:type="locator" />
    <link:calculationArc order="12.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInDeferredRevenue" xlink:to="IncreaseDecreaseInDeferredRevenue" xlink:type="arc" />
    <link:loc xlink:href="icui-20100630.xsd#icui_IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" xlink:label="IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" xlink:title="IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" xlink:type="locator" />
    <link:calculationArc order="13.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" xlink:to="IncreaseDecreaseInPrepaidAndDeferredIncomeTaxes" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeAmortizationOfPremium" xlink:label="InvestmentIncomeAmortizationOfPremium" xlink:title="InvestmentIncomeAmortizationOfPremium" xlink:type="locator" />
    <link:calculationArc order="5.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to InvestmentIncomeAmortizationOfPremium" xlink:to="InvestmentIncomeAmortizationOfPremium" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities" xlink:type="locator" />
    <link:calculationArc order="2.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInInvestingActivities" xlink:to="NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="IncreaseDecreaseInRestrictedCash" xlink:title="IncreaseDecreaseInRestrictedCash" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to IncreaseDecreaseInRestrictedCash" xlink:to="IncreaseDecreaseInRestrictedCash" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="PaymentsToAcquireMarketableSecurities" xlink:title="PaymentsToAcquireMarketableSecurities" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToAcquireMarketableSecurities" xlink:to="PaymentsToAcquireMarketableSecurities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:title="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" xlink:type="locator" />
    <link:calculationArc order="3.0" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInFinancingActivities" xlink:to="NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromStockOptionsExercised" xlink:to="ProceedsFromStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockPlans" xlink:label="ProceedsFromStockPlans" xlink:title="ProceedsFromStockPlans" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromStockPlans" xlink:to="ProceedsFromStockPlans" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:to="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="PaymentsForRepurchaseOfCommonStock" xlink:title="PaymentsForRepurchaseOfCommonStock" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsForRepurchaseOfCommonStock" xlink:to="PaymentsForRepurchaseOfCommonStock" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.icumed.com/role/StatementOfStockholdersEquity" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:label="StockholdersEquityPeriodIncreaseDecrease" xlink:title="StockholdersEquityPeriodIncreaseDecrease" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="TreasuryStockValueAcquiredCostMethod" xlink:title="TreasuryStockValueAcquiredCostMethod" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to TreasuryStockValueAcquiredCostMethod" xlink:to="TreasuryStockValueAcquiredCostMethod" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:title="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:to="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:label="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:title="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:to="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:title="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:label="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="TreasuryStockSharesAcquired" xlink:title="TreasuryStockSharesAcquired" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="calculation: StockIssuedDuringPeriodSharesPeriodIncreaseDecrease to TreasuryStockSharesAcquired" xlink:to="TreasuryStockSharesAcquired" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="calculation: StockIssuedDuringPeriodSharesPeriodIncreaseDecrease to StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:title="StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockIssuedDuringPeriodSharesPeriodIncreaseDecrease" xlink:title="calculation: StockIssuedDuringPeriodSharesPeriodIncreaseDecrease to StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:to="StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.icumed.com/role/StatementOfStockholdersEquityCalc2" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityPeriodIncreaseDecrease" xlink:label="StockholdersEquityPeriodIncreaseDecrease" xlink:title="StockholdersEquityPeriodIncreaseDecrease" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="TreasuryStockValueAcquiredCostMethod" xlink:title="TreasuryStockValueAcquiredCostMethod" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to TreasuryStockValueAcquiredCostMethod" xlink:to="TreasuryStockValueAcquiredCostMethod" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:title="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:type="locator" />
    <link:calculationArc order="3.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:to="StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:title="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator" />
    <link:calculationArc order="4.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:label="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:title="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:type="locator" />
    <link:calculationArc order="5.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:to="AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:title="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="locator" />
    <link:calculationArc order="6.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:calculationArc order="7.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="locator" />
    <link:calculationArc order="8.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityPeriodIncreaseDecrease" xlink:title="calculation: StockholdersEquityPeriodIncreaseDecrease to OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.icumed.com/role/StatementOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="locator" />
    <link:calculationArc order="2.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:type="arc" />
    <link:loc xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" xlink:type="locator" />
    <link:calculationArc order="1.0" use="optional" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to ProfitLoss" xlink:to="ProfitLoss" xlink:type="arc" />
  </link:calculationLink>
</link:linkbase>





