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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2444424 - Disclosure - Leases (Schedule Of Maturities Of Lease Liabilities) (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2444424 - Disclosure - Leases (Schedule Of Maturities Of Lease Liabilities) (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2149113 - Disclosure - Income Taxes </link:definition> |
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| <link:definition> 2350310 - Disclosure - Income Taxes (Tables) </link:definition> |
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| <link:definition> 2451427 - Disclosure - Income Taxes (Summary Of Company's Provision For Income Taxes) (Details) </link:definition> |
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| <link:definition> 2452428 - Disclosure - Income Taxes (Summary Of Detail Of Deferred Tax Assets And Liabilities) (Details) </link:definition> |
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| | | <link:roleType id="IncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails" roleURI="http://www.atricure.com/role/IncomeTaxesSummaryOfDifferenceBetweenEffectiveIncomeTaxRatesAndFederalStatutoryRateDetails"> |
| <link:definition> 2454430 - Disclosure - Income Taxes (Summary Of Difference Between Effective Income Tax Rates And Federal Statutory Rate) (Details) </link:definition> |
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| <link:definition> 2455431 - Disclosure - Income Taxes (Summary Of Reconciliation of Change In Federal And State Unrecognized Tax Benefits) (Details) </link:definition> |
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| <link:definition> 2156114 - Disclosure - Concentrations </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| | | <link:roleType id="EmployeeBenefitPlansDetails" roleURI="http://www.atricure.com/role/EmployeeBenefitPlansDetails"> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2361311 - Disclosure - Equity Compensation Plans (Tables) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2463435 - Disclosure - Equity Compensation Plans (Activity Under Stock Based Compensation Plans) (Details) </link:definition> |
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| <link:definition> 2464436 - Disclosure - Equity Compensation Plans (Share-Based Compensation Expense Related To Employee Share-Based Compensation) (Details) </link:definition> |
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| <link:definition> 2467439 - Disclosure - Equity Compensation Plans (Weighted Average Estimated Grant Date Fair Value Per Share Of Stock Options, Restricted Stock Granted, And Performance Awards) (Details) </link:definition> |
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| <link:definition> 2168117 - Disclosure - Segment and Geographic Information </link:definition> |
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| <link:definition> 2369312 - Disclosure - Segment and Geographic Information (Tables) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2470440 - Disclosure - Segment and Geographic Information (Narrative) (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2471441 - Disclosure - Segment and Geographic Information (Revenue By Geographic Area) (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2472442 - Disclosure - Segment and Geographic Information (Revenue By Product Type) (Details) </link:definition> |
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| <xs:element id="atrc_DeferredTaxLiabilitiesRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_BusinessCombinationContingentConsiderationArrangementsSharesIssuedAtClosing" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsSharesIssuedAtClosing" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="atrc_DefinedContributionPlanEmployerMatchingContribution" abstract="false" name="DefinedContributionPlanEmployerMatchingContribution" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_OpenheartMember" abstract="true" name="OpenheartMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing" abstract="false" name="BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="atrc_UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts" abstract="false" name="UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCorrelationRate" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCorrelationRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/> |
| <xs:element id="atrc_ComputerAndOtherOfficeEquipmentMember" abstract="true" name="ComputerAndOtherOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_FusionTechnologyMember" abstract="true" name="FusionTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_SalesReturnsAndAllowancesPolicyTextBlock" abstract="false" name="SalesReturnsAndAllowancesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_OtherIncomePolicyTextBlock" abstract="false" name="OtherIncomePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_DescriptionOfBusinessAndSignificantAccountingPoliciesTable" abstract="true" name="DescriptionOfBusinessAndSignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_FirstSecondAndThirdAnniversariesMember" abstract="false" name="FirstSecondAndThirdAnniversariesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_PerformanceStockAwardsMember" abstract="false" name="PerformanceStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_AmericanMedicalAssociationApprovalMember" abstract="false" name="AmericanMedicalAssociationApprovalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_PaymentsOfContingentConsideration" abstract="false" name="PaymentsOfContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_TaxYear2021And2038Member" abstract="false" name="TaxYear2021And2038Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_RestrictedStockAwardsTimeBasedStockOptionsMember" abstract="false" name="RestrictedStockAwardsTimeBasedStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_ValveMember" abstract="true" name="ValveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_MachineryEquipmentAndVehiclesMember" abstract="true" name="MachineryEquipmentAndVehiclesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_ScheduleOfShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsValuationAssumptionsTableTextBlock" abstract="false" name="ScheduleOfShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsValuationAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_TwoThousandEightEmployeeStockPurchasePlanMember" abstract="true" name="TwoThousandEightEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_ProceedsFromCapitalGrant" abstract="false" name="ProceedsFromCapitalGrant" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_RightOfUseAssetsObtainedInExchangeForLeaseLiabilityAbstract" abstract="true" name="RightOfUseAssetsObtainedInExchangeForLeaseLiabilityAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities" abstract="false" name="ChangeInLevelsOrMethodologyOfMeasurementOfFinancialAssetsAndLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_SiliconValleyBankAgreementMember" abstract="true" name="SiliconValleyBankAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_ConcentrationRiskNumberOfMajorCustomers" abstract="false" name="ConcentrationRiskNumberOfMajorCustomers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/> |
| <xs:element id="atrc_RoyaltyAgreementTerm" abstract="false" name="RoyaltyAgreementTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:gYearItemType"/> |
| <xs:element id="atrc_TotalShareholderReturnPeriod" abstract="false" name="TotalShareholderReturnPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="atrc_UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements" abstract="false" name="UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock" abstract="false" name="OperatingAndFinanceLeaseLiabilityMaturityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions" abstract="false" name="UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_ReceivingPmaFromFdaForLariatSystemMember" abstract="false" name="ReceivingPmaFromFdaForLariatSystemMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_StockOptionsAndRestrictedStockMember" abstract="false" name="StockOptionsAndRestrictedStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_SalesReturnsAllowanceTrade" abstract="false" name="SalesReturnsAllowanceTrade" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_EquipmentUnderFinanceLeasesMember" abstract="false" name="EquipmentUnderFinanceLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_ConsecutivePeriodToBeConsideredForVolumeAdjustedWeightedAverageClosingPriceUnderVestingCondition" abstract="false" name="ConsecutivePeriodToBeConsideredForVolumeAdjustedWeightedAverageClosingPriceUnderVestingCondition" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="atrc_FinanceLeaseAbstract" abstract="true" name="FinanceLeaseAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_DebtInstrumentExpansionOfBorrowingCapacity" abstract="false" name="DebtInstrumentExpansionOfBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_CashPaidForLeaseLiabilitiesAbstract" abstract="true" name="CashPaidForLeaseLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_LongTermDebtExcludingCurrentMaturitiesAndFees" abstract="false" name="LongTermDebtExcludingCurrentMaturitiesAndFees" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingIncrementalShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingIncrementalShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="atrc_OtherInternationalMember" abstract="true" name="OtherInternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock" abstract="false" name="ScheduleOfBalanceSheetSupplementalDisclosuresTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_AmendedLoanPaymentDeferralPeriod" abstract="false" name="AmendedLoanPaymentDeferralPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="atrc_MedicalDevicesMember" abstract="true" name="MedicalDevicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_AuditorInformationAbstract" abstract="true" name="AuditorInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_MinimallyInvasiveMember" abstract="true" name="MinimallyInvasiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAmountsAcquiredDuringAcquisitionRelatedContingentConsideration" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAmountsAcquiredDuringAcquisitionRelatedContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock" abstract="false" name="SummaryOfWeightedAverageRemainingLeaseTermAndIncrementalBorrowingRatesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/> |
| <xs:element id="atrc_FederalResearchAndDevelopmentCreditCarryforwardExpirationBeginningYear" abstract="false" name="FederalResearchAndDevelopmentCreditCarryforwardExpirationBeginningYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:gYearItemType"/> |
| <xs:element id="atrc_EmployeeStockPurchasePlanOfferPeriod" abstract="false" name="EmployeeStockPurchasePlanOfferPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="atrc_EsppMember" abstract="false" name="EsppMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_AMAZEMember" abstract="true" name="AMAZEMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_PotentialContingentConsiderationReductionPercentage" abstract="false" name="PotentialContingentConsiderationReductionPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/> |
| <xs:element id="atrc_DocumentAndEntityInformationAbstract" abstract="true" name="DocumentAndEntityInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/> |
| <xs:element id="atrc_PerformanceStockAwardThresholdPayoutOpportunityPercentage" abstract="false" name="PerformanceStockAwardThresholdPayoutOpportunityPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/> |
| <xs:element id="atrc_TermsOfSaleForEndUsers" abstract="false" name="TermsOfSaleForEndUsers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/> |
| <xs:element id="atrc_StockOptionsRsaSAndRsuSMember" abstract="false" name="StockOptionsRsaSAndRsuSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_TwoThousandFourteenPlanMember" abstract="true" name="TwoThousandFourteenPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/> |
| <xs:element id="atrc_RepaymentsOfDebtAndFinanceLeaseObligation" abstract="false" name="RepaymentsOfDebtAndFinanceLeaseObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| <xs:element id="atrc_BorrowingAvailabilityThreshold" abstract="false" name="BorrowingAvailabilityThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/> |
| </xs:schema> |