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    <element id="STXS_OperatingLossCarryforwardsLimitationsOnUseAmount" name="OperatingLossCarryforwardsLimitationsOnUseAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="STXS_NumberOfPriorYearsSubjectToExamination" name="NumberOfPriorYearsSubjectToExamination" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="STXS_TwoThousandNineEmployeeStockPurchasePlanMember" name="TwoThousandNineEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
</schema>
