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  <xs:element id="infu_SalesTypeLeaseNetInvestmentInLeaseTable" abstract="true" name="SalesTypeLeaseNetInvestmentInLeaseTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="infu_LeaseClassificationAxis" abstract="true" name="LeaseClassificationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="infu_LeaseClassificationDomain" abstract="true" name="LeaseClassificationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="infu_SalesTypeLeaseNetInvestmentMember" abstract="true" name="SalesTypeLeaseNetInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="infu_SalesTypeLeaseNetInvestmentInLeaseLineItems" abstract="true" name="SalesTypeLeaseNetInvestmentInLeaseLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="infu_SalesTypeAndDirectFinancingLeasesPaymentToBeReceivedAfterYearFour" abstract="false" name="SalesTypeAndDirectFinancingLeasesPaymentToBeReceivedAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="infu_CorporateAndEliminationsMember" abstract="true" name="CorporateAndEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="infu_NetRevenuesExternal" abstract="false" name="NetRevenuesExternal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="infu_NetRevenuesInternal" abstract="false" name="NetRevenuesInternal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
