510(k) Report

510(k) · Cleared

Cleared

Atricure Coolrail Linear Pen

K073605510(k) TraditionalCleared Mar 11, 200881-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. · OCL Surgical Device, For Cutting, Coagulation, And/Or Ablation Of Tissue, Including Cardiac Tissue

Cleared on Mar 11, 2008 as substantially equivalent to K050459 (AtriCure, Inc., 2005) and 2 other predicates after an 81-day review. Its family tree reaches back 7 generations to 1995. 13 later devices descend from it.

Decided
Mar 11, 2008
Review
81 days
Class
Class II
Product code
OCL
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K942299 (1995). 40 ancestors in all, the oldest K811390 (1981). 13 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2002: 1 other ancestor2001: 4 other ancestors2003: 1 other ancestor1992: 2 other ancestors2000: 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 ancestor1991: 1 other ancestor2012: 3 descendants cleared2010: 1 descendant cleared2013: 1 descendant cleared2018: 1 descendant cleared2019: 4 descendants cleared2017: 1 descendant cleared2014: 1 descendant cleared2022: 1 descendant 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. · 2001K020919 · Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1 · AtriCure, Inc. · 2002K050459 · Atricure Isolator Transpolar Pen · AtriCure, Inc. · 2005 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 5 other ancestors4 generations back: 14 other ancestors5 generations back: 7 other ancestors6 generations back: 5 other ancestors 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 4 descendants4 generations forward: 3 descendants5 generations forward: 1 descendant K050459 · Atricure Isolator Transpolar Pen · AtriCure, Inc. · 2005 · recalledK020919 · Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1 · AtriCure, Inc. · 2002K011722 · 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 · 7 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 6 generations backK963826 Endocare Crycare Cryosurgical SystemEndocare, Inc. · 1996
  3. 5 generations backK973686 Endocare Cryocare Cryosurgical SystemEndocare, Inc. · 1997
  4. 4 generations backK980110 Endocre Cryocare Cryosurgical SystemEndocare, Inc. · 1998
  5. 3 generations backK011722 Atricure Bipolar Coagulation SystemAtriCure, Inc. · 2001
  6. 2 generations backK020919 Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc. · 2002
  7. 1 generation backK050459 Atricure Isolator Transpolar PenAtriCure, Inc. · 2005 · Recalled
  8. This deviceK073605 Atricure Coolrail Linear PenAtriCure, Inc. · 2008
  9. Descendant · cites it directly · 9 of its ownK100501 Multifunctional Linear PenAtriCure, Inc. · 2010
  10. Descendant · 2 generations on · 4 of its ownK113475 Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech · 2012 · Recalled
  11. Descendant · 2 generations on · 3 of its ownK130521 Isolator Linear PenAtriCure, Inc. · 2013
  12. Descendant · cites it directly · 3 of its ownK122611 Coolrail Linear Pen Model McriAtriCure, Inc. · 2012
  13. Descendant · 2 generations on · 2 of its ownK183065 Coolrail Linear PenAtriCure, Inc. · 2018

Showing 5 of 13 descendants. See all descendants

Descendants cleared per year

2010: 12012: 32013: 12014: 12017: 12018: 12019: 42022: 1
2010high 4 (2019) · low 0 (2011)2026

Most influential descendants

Showing 5 of 13 · See all
  • K100501Multifunctional Linear PenAtriCure, Inc. · 2010 · cites it directly9descendants
  • K113475Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech · 2012 · 2 generations on4descendants
  • K130521Isolator Linear PenAtriCure, Inc. · 2013 · 2 generations on3descendants
  • K122611Coolrail Linear Pen Model McriAtriCure, Inc. · 2012 · cites it directly3descendants
  • K183065Coolrail Linear PenAtriCure, Inc. · 2018 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K942299Endocare Cryotherapy SystemCytocare, Inc.1995—
−6K963826Endocare Crycare Cryosurgical SystemEndocare, Inc.1996—
−5K973686Endocare Cryocare Cryosurgical SystemEndocare, Inc.1997—
−4K980110Endocre Cryocare Cryosurgical SystemEndocare, Inc.1998—
−3K011722Atricure Bipolar Coagulation SystemAtriCure, Inc.2001—
−2K020919Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc.2002—
−1K050459Atricure Isolator Transpolar PenAtriCure, Inc.20051
0 (this device)K073605Atricure Coolrail Linear PenAtriCure, Inc.2008—
+1K100501Multifunctional Linear PenAtriCure, Inc.2010—
+2K113475Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech20125
+2K130521Isolator Linear PenAtriCure, Inc.2013—
+1K122611Coolrail Linear Pen Model McriAtriCure, Inc.2012—
+2K183065Coolrail Linear PenAtriCure, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198810
199110
199220
199410
199540
199610
199770
199830
199930
200030
200140
200210
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201010
201230
201310
201410
201710
201810
201940
202210
FIG. 1 — Lineage of K073605, 1995–2022Source: 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 OCL? 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 OCL device

  1. #1 K252056 Isolator® Synergy™ EnCompass Clamp and Guide…score 13.0 · 12 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (3)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K050459Atricure Isolator Transpolar Pen
Summary page 1
…ng cardiac surgery using radiofrequency energy. Predicate Devices The predicate devices for the Coolrail Linear Pen are the AtriCure Isolator Transpolar Pen (K050459), the Medtronic Cardioblate Monopolar Pen (K013392), and the Boston Scientific Flex 4 Ablation Probe (K003978). Device Desc…
AtriCure, Inc.20051
*K013392Cardioblate Surgical Ablation Pen, Model 60811C; Cardioblate Surgical Ablation…
Summary page 1
…dicate Devices The predicate devices for the Coolrail Linear Pen are the AtriCure Isolator Transpolar Pen (K050459), the Medtronic Cardioblate Monopolar Pen (K013392), and the Boston Scientific Flex 4 Ablation Probe (K003978). Device Description The Coolrail Linear Pen is a sterile…
Medtronic Vascular20021
*K003978Afx Microwave Generator, Flex Ablation Wand, Lynx Ablation Wand, Model Series 1000, P/N…
Summary page 1
…r Pen are the AtriCure Isolator Transpolar Pen (K050459), the Medtronic Cardioblate Monopolar Pen (K013392), and the Boston Scientific Flex 4 Ablation Probe (K003978). Device Description The Coolrail Linear Pen is a sterile, single use, electrosurgery device to be used in conjunct…
Afx, Inc.2001—

Also cleared against K050459: 2 other devices →

What descends from it? (13)

See all 13

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

NumberDeviceApplicantDecidedDescendants
K100501Multifunctional Linear PenAtriCure, Inc.20109
K122611Coolrail Linear Pen Model McriAtriCure, Inc.20123

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 13 years and passes through 3 companies; a new generation was cleared every 1.9 years on median.
  • 3 of the 40 ancestors have a recall of any class.
  • Of its descendants, K100501 (AtriCure, Inc., 2010) has gone furthest, with 9 descendants of its own.
  • 2 other devices also cite its predicate K050459.

How does its category compare?

All OCL devices

OCL Surgical Device, For Cutting, Coagulation, And/Or Ablation Of Tissue, Including Cardiac Tissue: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · OCL

1in 2025

2007: 32008: 52009: 22010: 22011: 22012: 62013: 22014: 12017: 12018: 22019: 62020: 12021: 22022: 22024: 12025: 1
2007high 6 (2012) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OCL

85in 2019

2007: 139 days median2008: 81 days median2012: 75 days median2019: 85 days median
2007high 139 (2007) · low 75 (2012)2026

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

Recalls per year · OCL

1in 2021

2008: 12009: 12010: 22013: 12016: 12019: 42020: 42021: 1
2007high 4 (2019) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · OCL

46in 2025

2009: 82010: 232011: 212012: 212013: 132014: 152015: 312016: 762017: 552018: 612019: 492020: 372021: 632022: 592023: 992024: 592025: 46
2007high 99 (2023) · low 0 (2007)2025

MAUDE reports naming product code OCL, 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
2007313900
200858110
20092—18
20102—223
20112—021
2012675021
20132—113
20141—015
20150—031
20160—176
20171—055
20182—061
2019685449
20201—437
20212—163
20222—059
20230—099
20241—059
20251—046
20260—0—

What is it indicated for?

The CoolrailTM Linear Pen is a sterile, single use electosurgery device intended to ablate cardiac tissue during cardiac surgery using radiofrequency energy.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K073605: Atricure Coolrail Linear Pen.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K073605

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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