510(k) Report

510(k) · Cleared

Cleared

Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1

K020919510(k) SpecialCleared Apr 19, 200229-day reviewClass II21 CFR 878.4400

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

AtriCure, Inc. · GEI Electrosurgical, Cutting & Coagulation & Accessories

Cleared on Apr 19, 2002 as substantially equivalent to K011722 (AtriCure, Inc., 2001) after a 29-day review. Its family tree reaches back 5 generations to 1995. 90 later devices descend from it.

Decided
Apr 19, 2002
Review
29 days
Class
Class II
Product code
GEI
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K942299 (1995). 31 ancestors in all, the oldest K811390 (1981). 90 later devices descend from it, 9 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 3 other ancestors1999: 3 other ancestors1998: 3 other ancestors1997: 7 other ancestors1995: 4 other ancestors1994: 1 other ancestor1988: 1 other ancestor1981: 1 other ancestor1996: 1 other ancestor1992: 1 other ancestor1991: 1 other ancestor2004: 3 descendants cleared2011: 4 descendants cleared2003: 1 descendant cleared2005: 2 descendants cleared2007: 4 descendants cleared2006: 10 descendants cleared2008: 9 descendants cleared2010: 3 descendants cleared2012: 7 descendants cleared2009: 3 descendants cleared2021: 2 descendants cleared2022: 3 descendants cleared2019: 8 descendants cleared2018: 5 descendants cleared2014: 5 descendants cleared2013: 2 descendants cleared2025: 2 descendants cleared2024: 6 descendants cleared2020: 2 descendants cleared2017: 1 descendant cleared2016: 1 descendant cleared2015: 1 descendant cleared2026: 4 descendants cleared2023: 2 descendants clearedK942299 · Endocare Cryotherapy System · Cytocare, Inc. · 1995K963826 · Endocare Crycare Cryosurgical System · Endocare, Inc. · 1996×2: 2 generations cleared close together, K973686 (1997), K980110 (1998) K011722 · Atricure Bipolar Coagulation System · AtriCure, Inc. · 200119801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 14 other ancestors3 generations back: 7 other ancestors4 generations back: 5 other ancestors 1 generation forward: 9 descendants2 generations forward: 18 descendants3 generations forward: 24 descendants4 generations forward: 18 descendants5 generations forward: 10 descendants6 generations forward: 4 descendants7 generations forward: 4 descendants8 generations forward: 3 descendants K011722 · Atricure Bipolar Coagulation System · AtriCure, Inc. · 2001K980110 · Endocre Cryocare Cryosurgical System · Endocare, Inc. · 1998K973686 · Endocare Cryocare Cryosurgical System · Endocare, Inc. · 1997K963826 · Endocare Crycare Cryosurgical System · Endocare, Inc. · 1996K942299 · Endocare Cryotherapy System · Cytocare, Inc. · 1995−50+5
  1. Root · 5 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 4 generations backK963826 Endocare Crycare Cryosurgical SystemEndocare, Inc. · 1996
  3. 3 generations backK973686 Endocare Cryocare Cryosurgical SystemEndocare, Inc. · 1997
  4. 2 generations backK980110 Endocre Cryocare Cryosurgical SystemEndocare, Inc. · 1998
  5. 1 generation backK011722 Atricure Bipolar Coagulation SystemAtriCure, Inc. · 2001
  6. This deviceK020919 Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc. · 2002
  7. Descendant · cites it directly · 42 of its ownK040690 Surgifrost 10 CM Cryosurgical Device Plus Frostbyte Clamp and…Cryocath Technologies, Inc. · 2004
  8. Descendant · cites it directly · 34 of its ownK031247 Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular · 2003
  9. Descendant · cites it directly · 23 of its ownK022894 Epicor Medical Ablation SystemEpicor Medical, Inc. · 2004
  10. Descendant · cites it directly · 22 of its ownK053436 Surgifrost 6CM, 7CM and 10 CM Cryosurgical Devices Plus Frostbyte…Cryocath Technologies, Inc. · 2006 · Recalled
  11. Descendant · 2 generations on · 22 of its ownK040641 Ultracinch Ablation Device, Ultracinch Accessory Pack, Models UC-8…Epicor Medical, Inc. · 2004

Showing 5 of 90 descendants. See all descendants

Descendants cleared per year

2003: 12004: 32005: 22006: 102007: 42008: 92009: 32010: 32011: 42012: 72013: 22014: 52015: 12016: 12017: 12018: 52019: 82020: 22021: 22022: 32023: 22024: 62025: 22026: 4
2003high 10 (2006) · low 1 (2003)2026

Most influential descendants

Showing 5 of 90 · See all
  • K040690Surgifrost 10 CM Cryosurgical Device Plus Frostbyte Clamp and Cryosurgical ConsoleCryocath Technologies, Inc. · 2004 · cites it directly42descendants
  • K031247Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular · 2003 · cites it directly34descendants
  • K022894Epicor Medical Ablation SystemEpicor Medical, Inc. · 2004 · cites it directly23descendants
  • K053436Surgifrost 6CM, 7CM and 10 CM Cryosurgical Devices Plus Frostbyte Clamp and Cryosurgical…Cryocath Technologies, Inc. · 2006 · cites it directly22descendants
  • K040641Ultracinch Ablation Device, Ultracinch Accessory Pack, Models UC-8, UC-9, UC-10, UC-11…Epicor Medical, Inc. · 2004 · 2 generations on22descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K942299Endocare Cryotherapy SystemCytocare, Inc.1995—
−4K963826Endocare Crycare Cryosurgical SystemEndocare, Inc.1996—
−3K973686Endocare Cryocare Cryosurgical SystemEndocare, Inc.1997—
−2K980110Endocre Cryocare Cryosurgical SystemEndocare, Inc.1998—
−1K011722Atricure Bipolar Coagulation SystemAtriCure, Inc.2001—
0 (this device)K020919Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc.2002—
+1K040690Surgifrost 10 CM Cryosurgical Device Plus Frostbyte Clamp and Cryosurgical…Cryocath Technologies, Inc.2004—
+1K031247Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular2003—
+1K022894Epicor Medical Ablation SystemEpicor Medical, Inc.2004—
+1K053436Surgifrost 6CM, 7CM and 10 CM Cryosurgical Devices Plus Frostbyte Clamp and…Cryocath Technologies, Inc.20061
+2K040641Ultracinch Ablation Device, Ultracinch Accessory Pack, Models UC-8, UC-9…Epicor Medical, Inc.2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198810
199110
199210
199410
199540
199610
199770
199830
199930
200030

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200430
200520
2006100
200740
200890
200930
201030
201140
201270
201320
201450
201510
201610
201710
201850
201980
202020
202120
202230
202320
202460
202520
202640
FIG. 1 — Lineage of K020919, 1995–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GEI? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new GEI device

  1. #1 K231790 The InMode System with the Morpheus8 Applicatorsscore 32.7 · 21 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary; numbers the summary cites that cannot be its predicate are marked – and kept off the family tree.

TypeNumberDeviceApplicantDecidedRecalls
*K011722Atricure Bipolar Coagulation System
Summary page 1
…eric/Common Name: Electrosurgical cutting and coagulation device and Accessories 21CFR 878.4400 Predicate Devices 1. AtriCure Inc. AtriCure Bipolar Coagulation System K011722 2. AtriCure Inc. AtriCure Bipolar Coagulation System K010122 Indication For Use Statement The AtriCure Bipolar Coagulation Syst…
AtriCure, Inc.2001—
Kept off the family treeK010122FDA’s K010122 is Continuous Flow Y-Tubing
Our OCR of the scanned summary read K010122, FDA’s number for Continuous Flow Y-Tubing (G.U.-Tek). Its FDA name has none of the distinctive words the summary uses for the device it names, “AtriCure Bipolar Coagulation System”. Kept off the family tree.
Summary page 1
…ice and Accessories 21CFR 878.4400 Predicate Devices 1. AtriCure Inc. AtriCure Bipolar Coagulation System K011722 2. AtriCure Inc. AtriCure Bipolar Coagulation System K010122 Indication For Use Statement The AtriCure Bipolar Coagulation System is intended to ablate and coagulate soft tissue during Gen…
G.U.-Tek2001—

Also cleared against K011722: 3 other devices →

What descends from it? (90)

See all 90

9 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K040690Surgifrost 10 CM Cryosurgical Device Plus Frostbyte Clamp and Cryosurgical ConsoleCryocath Technologies, Inc.200442
K031247Cardioblate Bipolar Radiofrequency Surgical Ablation SystemMedtronic Vascular200334
K022894Epicor Medical Ablation SystemEpicor Medical, Inc.200423
K053436Surgifrost 6CM, 7CM and 10 CM Cryosurgical Devices Plus Frostbyte Clamp and Cryosurgical…Cryocath Technologies, Inc.200622
K043579Atricure Bipolar SystemAtriCure, Inc.200718
K050459Atricure Isolator Transpolar PenAtriCure, Inc.200518
K052893Atricure Transpolar SystemAtriCure, Inc.20058
K063630Atricure Ablation SystemAtriCure, Inc.20077
K110117Atricure Bipolar SystemAtriCure, Inc.20115

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 7 years and passes through 3 companies; a new generation was cleared every 1.0 years on median.
  • 1 of the 31 ancestors has a recall of any class.
  • Of its descendants, K040690 (Cryocath Technologies, Inc., 2004) has gone furthest, with 42 descendants of its own.
  • 3 other devices also cite its predicate K011722.

How does its category compare?

All GEI devices

GEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GEI

52in 2025

2007: 502008: 612009: 422010: 462011: 352012: 392013: 482014: 492015: 472016: 642017: 522018: 472019: 482020: 592021: 462022: 552023: 652024: 592025: 522026 (partial year): 43
2007high 65 (2023) · low 35 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GEI

113in 2025

2007: 51 days median2008: 71 days median2009: 130 days median2010: 109 days median2011: 135 days median2012: 133 days median2013: 136 days median2014: 103 days median2015: 123 days median2016: 108 days median2017: 72 days median2018: 93 days median2019: 93 days median2020: 105 days median2021: 146 days median2022: 150 days median2023: 104 days median2024: 125 days median2025: 113 days median2026 (partial year): 183 days median
2007high 183 (2026) · low 51 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · GEI

4in 2025

2007: 212008: 192009: 272010: 512011: 322012: 302013: 132014: 32015: 42016: 32017: 22018: 62019: 52020: 12021: 62022: 492023: 27, 4 Class I2024: 22, 10 Class I2025: 42026 (partial year): 8
2007high 51 (2010) · low 1 (2020)2026

Class I (14 since 2007) Class II/III not classified

Adverse event reports per year · GEI

7,592in 2025

2007: 2,7952008: 2,5562009: 3,5912010: 3,3772011: 4,4632012: 5,2162013: 4,8972014: 4,9082015: 4,9362016: 5,6162017: 6,0732018: 6,5452019: 7,0672020: 6,4902021: 6,3542022: 6,1032023: 7,1762024: 7,8972025: 7,592
2007high 7,897 (2024) · low 2,556 (2008)2025

MAUDE reports naming product code GEI, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20075051212,795
20086171192,556
200942130273,591
201046109513,377
201135135324,463
201239133305,216
201348136134,897
20144910334,908
20154712344,936
20166410835,616
2017527226,073
2018479366,545
2019489357,067
20205910516,490
20214614666,354
202255150496,103
20236510427 (4)7,176
20245912522 (10)7,897
20255211347,592
2026431838—

What is it indicated for?

The AtriCure Bipolar System is intended to ablate and coagulate soft tissue during General, ENT, Thoracic, Gynecology and Urology surgical procedures.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K020919: Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K020919

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026