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AtriCure, Inc. – ‘10-K’ for 12/31/21 – ‘EX-101.SCH’

On:  Thursday, 2/17/22, at 3:27pm ET   ·   For:  12/31/21   ·   Accession #:  1323885-22-11   ·   File #:  0-51470

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  As Of               Filer                 Filing    For·On·As Docs:Size

 2/17/22  AtriCure, Inc.                    10-K       12/31/21  101:19M

Annual Report   —   Form 10-K

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.26M 
 2: EX-10.20    Material Contract                                   HTML     40K 
 3: EX-14       Code of Ethics                                      HTML    110K 
 4: EX-21       Subsidiaries List                                   HTML     27K 
 5: EX-23.1     Consent of Expert or Counsel                        HTML     27K 
 6: EX-31.1     Certification -- §302 - SOA'02                      HTML     32K 
 7: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
 8: EX-32.1     Certification -- §906 - SOA'02                      HTML     29K 
 9: EX-32.2     Certification -- §906 - SOA'02                      HTML     29K 
15: R1          Cover                                               HTML     91K 
16: R2          Audit Information                                   HTML     32K 
17: R3          Consolidated Balance Sheets                         HTML    134K 
18: R4          Consolidated Balance Sheets (Parenthetical)         HTML     38K 
19: R5          Consolidated Statements of Operations and           HTML    127K 
                Comprehensive Income (Loss)                                      
20: R6          Consolidated Statements of Stockholders' Equity     HTML     85K 
21: R7          Consolidated Statements of Cash Flows               HTML    145K 
22: R8          Consolidated Statements of Cash Flows               HTML     29K 
                (Parenthetical)                                                  
23: R9          Description of Business and Summary of Significant  HTML     93K 
                Accounting Policies                                              
24: R10         Recent Accounting Pronouncements                    HTML     39K 
25: R11         Fair Value                                          HTML     85K 
26: R12         Investments                                         HTML     47K 
27: R13         Intangible Assets and Goodwill                      HTML     50K 
28: R14         Inventories                                         HTML     34K 
29: R15         Property and Equipment                              HTML     46K 
30: R16         Accrued Liabilities                                 HTML     37K 
31: R17         Indebtedness                                        HTML     39K 
32: R18         Leases                                              HTML    143K 
33: R19         Commitments and Contingencies                       HTML     35K 
34: R20         Revenue                                             HTML     36K 
35: R21         Income Taxes                                        HTML    107K 
36: R22         Concentrations                                      HTML     30K 
37: R23         Employee Benefit Plans                              HTML     30K 
38: R24         Equity Compensation Plans                           HTML    117K 
39: R25         Segment and Geographic Information                  HTML     63K 
40: R26         Schedule II - Valuation And Qualifying Accounts     HTML     52K 
41: R27         Description of Business and Summary of Significant  HTML    127K 
                Accounting Policies (Policies)                                   
42: R28         Description of Business and Summary of Significant  HTML     66K 
                Accounting Policies (Tables)                                     
43: R29         Fair Value (Tables)                                 HTML     78K 
44: R30         Investments (Tables)                                HTML     46K 
45: R31         Intangible Assets and Goodwill (Tables)             HTML     53K 
46: R32         Inventories (Tables)                                HTML     35K 
47: R33         Property and Equipment (Tables)                     HTML     45K 
48: R34         Accrued Liabilities (Tables)                        HTML     36K 
49: R35         Indebtedness (Tables)                               HTML     32K 
50: R36         Leases (Tables)                                     HTML     91K 
51: R37         Income Taxes (Tables)                               HTML    108K 
52: R38         Equity Compensation Plans (Tables)                  HTML    119K 
53: R39         Segment and Geographic Information (Tables)         HTML     60K 
54: R40         Description of Business and Summary of Significant  HTML     45K 
                Accounting Policies (Narrative) (Details)                        
55: R41         Description of Business and Summary of Significant  HTML     60K 
                Accounting Policies (Weighted Average Common                     
                Shares Outstanding) (Details)                                    
56: R42         Description of Business and Summary of Significant  HTML     47K 
                Accounting Policies (Accumulated Other                           
                Comprehensive Income (Loss)) (Details)                           
57: R43         Fair Value (Financial Assets And Liabilities        HTML     74K 
                Measured At Fair Value On A Recurring Basis)                     
                (Details)                                                        
58: R44         Fair Value (Narrative) (Details)                    HTML     67K 
59: R45         Fair Value (Level 3 Fair Value Measurements Using   HTML     37K 
                Significant Other Unobservable Inputs For                        
                Acquisition-Related Contingent Consideration)                    
                (Details)                                                        
60: R46         Investments (Narrative) (Details)                   HTML     29K 
61: R47         Investments (Summary Of Short-term Investments)     HTML     45K 
                (Details)                                                        
62: R48         Intangible Assets and Goodwill (Company's           HTML     42K 
                Intangible Assets) (Details)                                     
63: R49         Intangible Assets and Goodwill (Narrative)          HTML     46K 
                (Details)                                                        
64: R50         Intangible Assets and Goodwill (Future              HTML     43K 
                Amortization Expense Related To Intangible Assets                
                With Definite Lives) (Details)                                   
65: R51         Intangible Assets and Goodwill (Summary Of          HTML     32K 
                Company's Goodwill) (Details)                                    
66: R52         Inventories (Summary Of Inventories) (Details)      HTML     37K 
67: R53         Property and Equipment (Summary Of Property And     HTML     73K 
                Equipment) (Details)                                             
68: R54         Property and Equipment (Narrative) (Details)        HTML     36K 
69: R55         Accrued Liabilities (Accrued Liabilities)           HTML     43K 
                (Details)                                                        
70: R56         Indebtedness (Narrative) (Details)                  HTML     64K 
71: R57         Indebtedness (Future Maturities On Debt) (Details)  HTML     47K 
72: R58         Leases (Narrative) (Details)                        HTML     37K 
73: R59         Leases (Summary Of Weighted Average Remaining       HTML     38K 
                Lease Term And Discount Rate) (Details)                          
74: R60         Leases (Summary Of Components Of Lease Expense)     HTML     39K 
                (Details)                                                        
75: R61         Leases (Summary Of Supplemental Cash Flow           HTML     45K 
                Information Related To Leases) (Details)                         
76: R62         Leases (Summary Of Supplemental Balance Sheet       HTML     57K 
                Information Related To Leases) (Details)                         
77: R63         Leases (Schedule Of Maturities Of Lease             HTML     68K 
                Liabilities) (Details)                                           
78: R64         Commitments and Contingencies (Narrative)           HTML     46K 
                (Details)                                                        
79: R65         Revenue (Narrative) (Details)                       HTML     38K 
80: R66         Income Taxes (Summary Of Company's Provision For    HTML     58K 
                Income Taxes) (Details)                                          
81: R67         Income Taxes (Summary Of Detail Of Deferred Tax     HTML     59K 
                Assets And Liabilities) (Details)                                
82: R68         Income Taxes (Narrative) (Details)                  HTML     70K 
83: R69         Income Taxes (Summary Of Difference Between         HTML     68K 
                Effective Income Tax Rates And Federal Statutory                 
                Rate) (Details)                                                  
84: R70         Income Taxes (Summary Of Reconciliation of Change   HTML     38K 
                In Federal And State Unrecognized Tax Benefits)                  
                (Details)                                                        
85: R71         Concentrations (Details)                            HTML     40K 
86: R72         Employee Benefit Plans (Details)                    HTML     38K 
87: R73         Equity Compensation Plans (Narrative) (Details)     HTML    105K 
88: R74         Equity Compensation Plans (Activity Under Stock     HTML    114K 
                Based Compensation Plans) (Details)                              
89: R75         Equity Compensation Plans (Share-Based              HTML     44K 
                Compensation Expense Related To Employee                         
                Share-Based Compensation) (Details)                              
90: R76         Equity Compensation Plans (Assumptions Used For     HTML     46K 
                Determining Fair Value Of Options) (Details)                     
91: R77         Equity Compensation Plans (Assumptions Used For     HTML     45K 
                Determining Fair Value Of Stock) (Details)                       
92: R78         Equity Compensation Plans (Weighted Average         HTML     39K 
                Estimated Grant Date Fair Value Per Share Of Stock               
                Options, Restricted Stock Granted, And Performance               
                Awards) (Details)                                                
93: R79         Segment and Geographic Information (Narrative)      HTML     29K 
                (Details)                                                        
94: R80         Segment and Geographic Information (Revenue By      HTML     44K 
                Geographic Area) (Details)                                       
95: R81         Segment and Geographic Information (Revenue By      HTML     54K 
                Product Type) (Details)                                          
96: R82         Schedule II (Schedule Of Valuation And Qualifying   HTML     48K 
                Accounts) (Details)                                              
99: XML         IDEA XML File -- Filing Summary                      XML    188K 
97: XML         XBRL Instance -- atrc-20211231_htm                   XML   2.72M 
98: EXCEL       IDEA Workbook of Financial Reports                  XLSX    119K 
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13: EX-101.LAB  XBRL Labels -- atrc-20211231_lab                     XML   2.03M 
14: EX-101.PRE  XBRL Presentations -- atrc-20211231_pre              XML   1.19M 
10: EX-101.SCH  XBRL Schema -- atrc-20211231                         XSD    191K 
100: JSON        XBRL Instance as JSON Data -- MetaLinks              494±   726K  
101: ZIP         XBRL Zipped Folder -- 0001323885-22-000011-xbrl      Zip    508K  


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<link:definition> 2421411 - Disclosure - Intangible Assets and Goodwill (Future Amortization Expense Related To Intangible Assets With Definite Lives) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2422412 - Disclosure - Intangible Assets and Goodwill (Summary Of Company's Goodwill) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2123106 - Disclosure - Inventories </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2324305 - Disclosure - Inventories (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="InventoriesSummaryOfInventoriesDetails" roleURI="http://www.atricure.com/role/InventoriesSummaryOfInventoriesDetails">
<link:definition> 2425413 - Disclosure - Inventories (Summary Of Inventories) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2126107 - Disclosure - Property and Equipment </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2327306 - Disclosure - Property and Equipment (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="PropertyandEquipmentSummaryOfPropertyAndEquipmentDetails" roleURI="http://www.atricure.com/role/PropertyandEquipmentSummaryOfPropertyAndEquipmentDetails">
<link:definition> 2428414 - Disclosure - Property and Equipment (Summary Of Property And Equipment) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="PropertyandEquipmentNarrativeDetails" roleURI="http://www.atricure.com/role/PropertyandEquipmentNarrativeDetails">
<link:definition> 2429415 - Disclosure - Property and Equipment (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="AccruedLiabilities" roleURI="http://www.atricure.com/role/AccruedLiabilities">
<link:definition> 2130108 - Disclosure - Accrued Liabilities </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="AccruedLiabilitiesTables" roleURI="http://www.atricure.com/role/AccruedLiabilitiesTables">
<link:definition> 2331307 - Disclosure - Accrued Liabilities (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="AccruedLiabilitiesAccruedLiabilitiesDetails" roleURI="http://www.atricure.com/role/AccruedLiabilitiesAccruedLiabilitiesDetails">
<link:definition> 2432416 - Disclosure - Accrued Liabilities (Accrued Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2133109 - Disclosure - Indebtedness </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2334308 - Disclosure - Indebtedness (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2435417 - Disclosure - Indebtedness (Narrative) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2436418 - Disclosure - Indebtedness (Future Maturities On Debt) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2436418 - Disclosure - Indebtedness (Future Maturities On Debt) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2137110 - Disclosure - Leases </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2338309 - Disclosure - Leases (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2439419 - Disclosure - Leases (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2440420 - Disclosure - Leases (Summary Of Weighted Average Remaining Lease Term And Discount Rate) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="LeasesSummaryOfComponentsOfLeaseExpenseDetails" roleURI="http://www.atricure.com/role/LeasesSummaryOfComponentsOfLeaseExpenseDetails">
<link:definition> 2441421 - Disclosure - Leases (Summary Of Components Of Lease Expense) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2442422 - Disclosure - Leases (Summary Of Supplemental Cash Flow Information Related To Leases) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2443423 - Disclosure - Leases (Summary Of Supplemental Balance Sheet Information Related To Leases) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2444424 - Disclosure - Leases (Schedule Of Maturities Of Lease Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2444424 - Disclosure - Leases (Schedule Of Maturities Of Lease Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2145111 - Disclosure - Commitments and Contingencies </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2446425 - Disclosure - Commitments and Contingencies (Narrative) (Details) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2147112 - Disclosure - Revenue </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2448426 - Disclosure - Revenue (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2149113 - Disclosure - Income Taxes </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2350310 - Disclosure - Income Taxes (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2451427 - Disclosure - Income Taxes (Summary Of Company's Provision For Income Taxes) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="IncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails" roleURI="http://www.atricure.com/role/IncomeTaxesSummaryOfDetailOfDeferredTaxAssetsAndLiabilitiesDetails">
<link:definition> 2452428 - Disclosure - Income Taxes (Summary Of Detail Of Deferred Tax Assets And Liabilities) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2453429 - Disclosure - Income Taxes (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2454430 - Disclosure - Income Taxes (Summary Of Difference Between Effective Income Tax Rates And Federal Statutory Rate) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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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>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2156114 - Disclosure - Concentrations </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2457432 - Disclosure - Concentrations (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2158115 - Disclosure - Employee Benefit Plans </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2459433 - Disclosure - Employee Benefit Plans (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2160116 - Disclosure - Equity Compensation Plans </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2361311 - Disclosure - Equity Compensation Plans (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2462434 - Disclosure - Equity Compensation Plans (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<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>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2464436 - Disclosure - Equity Compensation Plans (Share-Based Compensation Expense Related To Employee Share-Based Compensation) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2465437 - Disclosure - Equity Compensation Plans (Assumptions Used For Determining Fair Value Of Options) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2466438 - Disclosure - Equity Compensation Plans (Assumptions Used For Determining Fair Value Of Stock) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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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>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2168117 - Disclosure - Segment and Geographic Information </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 2369312 - Disclosure - Segment and Geographic Information (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType id="SegmentandGeographicInformationNarrativeDetails" roleURI="http://www.atricure.com/role/SegmentandGeographicInformationNarrativeDetails">
<link:definition> 2470440 - Disclosure - Segment and Geographic Information (Narrative) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<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>
<link:usedOn> link:presentationLink </link:usedOn>
<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>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2173118 - Disclosure - Schedule II - Valuation And Qualifying Accounts </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 2474443 - Disclosure - Schedule II (Schedule Of Valuation And Qualifying Accounts) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<xs:element id="atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValuePerEmployee" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumValuePerEmployee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_LongTermPurchaseCommitmentAmountOutstanding" abstract="false" name="LongTermPurchaseCommitmentAmountOutstanding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_AccruedSettlementCurrent" abstract="false" name="AccruedSettlementCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_RoyaltyRate" abstract="false" name="RoyaltyRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
<xs:element id="atrc_BusinessAcquisitionContingentConsideration" abstract="false" name="BusinessAcquisitionContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_EPiSenseMember" abstract="true" name="EPiSenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_DebtInstrumentFirstRequiredPayment" abstract="false" name="DebtInstrumentFirstRequiredPayment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="atrc_OtherNoncurrentLiabilitiesPolicyTextBlock" abstract="false" name="OtherNoncurrentLiabilitiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
<xs:element id="atrc_TermsOfSaleForDistributors" abstract="false" name="TermsOfSaleForDistributors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
<xs:element id="atrc_EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
<xs:element id="atrc_AchievementOfInterimSuccessMilestoneMember" abstract="false" name="AchievementOfInterimSuccessMilestoneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_SentreheartMember" abstract="false" name="SentreheartMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReleasedWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
<xs:element id="atrc_DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
<xs:element id="atrc_AppendageManagementMember" abstract="false" name="AppendageManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_TwoThousandEighteenPsasMember" abstract="false" name="TwoThousandEighteenPsasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_MasonLeaseMember" abstract="true" name="MasonLeaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<xs:element id="atrc_OperatingLossCarryforwardExpirationYear" abstract="false" name="OperatingLossCarryforwardExpirationYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:gYearItemType"/>
<xs:element id="atrc_ProceedsFromEconomicIncentiveLoan" abstract="false" name="ProceedsFromEconomicIncentiveLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
<xs:element id="atrc_FormerNcontactStockholdersMember" abstract="false" name="FormerNcontactStockholdersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
<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>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/16/24  AtriCure, Inc.                    10-K       12/31/23  102:10M
 2/22/23  AtriCure, Inc.                    10-K       12/31/22   99:19M
 8/03/22  AtriCure, Inc.                    S-8         8/03/22    4:95K                                    Donnelley … Solutions/FA
 2/17/22  AtriCure, Inc.                    S-3ASR      2/17/22    6:847K                                   Donnelley … Solutions/FA


15 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/04/21  AtriCure, Inc.                    10-Q        9/30/21   72:6.9M
 2/26/21  AtriCure, Inc.                    10-K       12/31/20  111:23M
 5/22/20  AtriCure, Inc.                    8-K:5,9     5/20/20   11:444K
 4/29/20  AtriCure, Inc.                    8-K:1,2,7,9 4/29/20   13:4.3M
 2/24/20  AtriCure, Inc.                    10-K       12/31/19  109:23M
10/31/19  AtriCure, Inc.                    10-Q        9/30/19   78:12M
 8/12/19  AtriCure, Inc.                    8-K:1,2,3,7 8/11/19   14:7.9M                                   Donnelley … Solutions/FA
 7/31/19  AtriCure, Inc.                    10-Q        6/30/19   73:10M
 1/03/19  AtriCure, Inc.                    8-K:1,2,9  12/28/18    2:76K                                    Donnelley … Solutions/FA
 2/26/18  AtriCure, Inc.                    8-K:1,2,9   2/26/18    3:1.3M
 2/16/18  AtriCure, Inc.                    8-K:5,9     2/16/18    2:327K
 5/27/16  AtriCure, Inc.                    8-K:5,9     5/27/16    3:408K
 8/25/14  AtriCure, Inc.                    8-K:1,9     8/20/14    2:1.7M                                   Donnelley … Solutions/FA
 3/08/13  AtriCure, Inc.                    10-K       12/31/12   94:8.6M                                   Donnelley … Solutions/FA
11/01/12  AtriCure, Inc.                    8-K:1,2,5,911/01/12    4:263K                                   Donnelley … Solutions/FA
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