510(k) Report

510(k) · Cleared

Recalled · Class II · 2019

Estech Cobra Adhere XL 2 Surgical System

K113475510(k) TraditionalCleared Mar 20, 2012119-day reviewClass II21 CFR 878.4400Recalls 5

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

Endoscopic Technologies, Inc. D/B/A Estech · OCL Surgical Device, For Cutting, Coagulation, And/Or Ablation Of Tissue, Including Cardiac Tissue

Cleared on Mar 20, 2012 as substantially equivalent to K051749 (Estech, Inc., 2005) and 1 other predicate after a 119-day review. Its family tree reaches back 9 generations to 1995. 4 later devices descend from it. It has been recalled 5 times.

Decided
Mar 20, 2012
Review
119 days
Class
Class II
Product code
OCL
Recalls
5
Predicates
2

Its longest line of descent runs back 9 generations to K942299 (1995). 49 ancestors in all, the oldest K811390 (1981). 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2005: 1 other ancestor2008: 1 other ancestor2004: 2 other ancestors1998: 4 other ancestors2003: 1 other ancestor2002: 1 other ancestor2001: 5 other ancestors1997: 8 other ancestors1992: 2 other ancestors2000: 3 other ancestors1999: 3 other ancestors1995: 4 other ancestors1994: 1 other ancestor1988: 1 other ancestor1981: 1 other ancestor1996: 1 other ancestor1991: 1 other ancestor2012: 1 descendant cleared2019: 2 descendants cleared2014: 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 · recalledK061593 · Atricure Isolator Transpolar Pen System, Models ASU2, MAX1, MAX2 and ASB1 · AtriCure, Inc. · 2006 · recalledK100501 · Multifunctional Linear Pen · AtriCure, Inc. · 201019801990200020102020
  1. Root · 9 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 5 generations between
  3. 3 generations backK050459 Atricure Isolator Transpolar PenAtriCure, Inc. · 2005 · Recalled
  4. 2 generations backK061593 Atricure Isolator Transpolar Pen System, Models ASU2, MAX1, MAX2 and…AtriCure, Inc. · 2006 · Recalled
  5. 1 generation backK100501 Multifunctional Linear PenAtriCure, Inc. · 2010
  6. This deviceK113475 Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech · 2012
  7. Descendant · cites it directly · 2 of its ownK120857 Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc. · 2012
  8. Descendant · 2 generations on · 1 of its ownK142084 Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc. · 2014 · Recalled
  9. Descendant · 3 generations on · 0 of its ownK193162 EPi-Sense Guided Coagulation System with VisiTraxAtriCure, Inc. · 2019
  10. Descendant · cites it directly · 0 of its ownK190151 COBRA Fusion Ablation SystemAtriCure, Inc. · 2019
Show all 9 generations
  1. Root · 9 generations backK942299 Endocare Cryotherapy SystemCytocare, Inc. · 1995
  2. 8 generations backK963826 Endocare Crycare Cryosurgical SystemEndocare, Inc. · 1996
  3. 7 generations backK973686 Endocare Cryocare Cryosurgical SystemEndocare, Inc. · 1997
  4. 6 generations backK980110 Endocre Cryocare Cryosurgical SystemEndocare, Inc. · 1998
  5. 5 generations backK011722 Atricure Bipolar Coagulation SystemAtriCure, Inc. · 2001
  6. 4 generations backK020919 Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc. · 2002
  7. 3 generations backK050459 Atricure Isolator Transpolar PenAtriCure, Inc. · 2005 · Recalled
  8. 2 generations backK061593 Atricure Isolator Transpolar Pen System, Models ASU2, MAX1, MAX2 and…AtriCure, Inc. · 2006 · Recalled
  9. 1 generation backK100501 Multifunctional Linear PenAtriCure, Inc. · 2010
  10. This deviceK113475 Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech · 2012

Most influential descendants

Showing 4 of 4 · See all
  • K120857Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc. · 2012 · cites it directly2descendants
  • K142084Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc. · 2014 · 2 generations on1descendant
  • K193162EPi-Sense Guided Coagulation System with VisiTraxAtriCure, Inc. · 2019 · 3 generations on0descendants
  • K190151COBRA Fusion Ablation SystemAtriCure, Inc. · 2019 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K942299Endocare Cryotherapy SystemCytocare, Inc.1995—
−8K963826Endocare Crycare Cryosurgical SystemEndocare, Inc.1996—
−7K973686Endocare Cryocare Cryosurgical SystemEndocare, Inc.1997—
−6K980110Endocre Cryocare Cryosurgical SystemEndocare, Inc.1998—
−5K011722Atricure Bipolar Coagulation SystemAtriCure, Inc.2001—
−4K020919Atricure Bipolar System, Models ASU1, ASU2, ASU3, LHP1, LHP2, RHP1AtriCure, Inc.2002—
−3K050459Atricure Isolator Transpolar PenAtriCure, Inc.20051
−2K061593Atricure Isolator Transpolar Pen System, Models ASU2, MAX1, MAX2 and ASB1AtriCure, Inc.20061
−1K100501Multifunctional Linear PenAtriCure, Inc.2010—
0 (this device)K113475Estech Cobra Adhere XL 2 Surgical SystemEndoscopic Technologies, Inc. D/B/A Estech2012—
+1K120857Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc.2012—
+2K142084Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc.20141
+3K193162EPi-Sense Guided Coagulation System with VisiTraxAtriCure, Inc.2019—
+1K190151COBRA Fusion Ablation SystemAtriCure, Inc.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198810
199110
199220
199410
199540
199610
199780
199840
199930
200030
200150
200210
200310
200420
200510
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201410
201920
FIG. 1 — Lineage of K113475, 1995–2019Source: 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
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.

TypeNumberDeviceApplicantDecidedRecalls
*K051749Cobra Surgical SystemEstech, Inc.2005—
*K100501Multifunctional Linear Pen
Summary page 1
…dicate Device Classification Number: Class 11, OCL Predicate Device Information: Predicate Devices: Multifunctional Linear Pen (K100501) Predicate Device Manufacturers: AtriCure, Inc. Predicate Device Common Name: Surgical Devi…
AtriCure, Inc.2010—

Also cleared against K051749: 4 other devices →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K120857Epi-Sense Guided Coagulation Device with VisitraxNcontact Surgical, Inc.20122
K190151COBRA Fusion Ablation SystemAtriCure, Inc.20190

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

Recalls of this device

DateClassRecallRoot causeReason
Jan 22, 2019Class IIZ-0830-2019Unknown/Undetermined by firmThere is a potential for patients undergoing ablation to experience an elevated risk for TE; during stand-alone off-pump procedures where cardio pulmonary bypass (CPB) was not utilized.
Jan 22, 2019Class IIZ-0829-2019Unknown/Undetermined by firmThere is a potential for patients undergoing ablation to experience an elevated risk for TE; during stand-alone off-pump procedures where cardio pulmonary bypass (CPB) was not utilized.
Jan 22, 2019Class IIZ-0831-2019Unknown/Undetermined by firmThere is a potential for patients undergoing ablation to experience an elevated risk for TE; during stand-alone off-pump procedures where cardio pulmonary bypass (CPB) was not utilized.
Jan 22, 2019Class IIZ-0832-2019Unknown/Undetermined by firmThere is a potential for patients undergoing ablation to experience an elevated risk for TE; during stand-alone off-pump procedures where cardio pulmonary bypass (CPB) was not utilized.
Sep 22, 2016Class IIZ-0653-2017Component design/selectionDue to product design and process control, part of the device can separate and remain behind when the device is removed that can potentially cause permanent impairment or damage to body function or structure.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 17 years and passes through 4 companies; a new generation was cleared every 1.8 years on median.
  • 4 of the 49 ancestors have a recall of any class.
  • Of its descendants, K120857 (Ncontact Surgical, Inc., 2012) has gone furthest, with 2 descendants of its own.
  • 4 other devices also cite its predicate K051749.

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. 2012, 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 ESTECH Cobra Adhere XL2 is intended to ablate cardiac tissue during cardiac surgery using radiofrequency (RF) energy when connected directly to the Estech Electrosurgical Unit (ESU).

The ESTECH Cobra Adhere XL 2 may be used for temporary cardiac pacing, sensing, recording, and stimulation during the evaluation of cardiac arrhythmias during surgery when connected to a temporary external pacemaker or recording device.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K113475: Estech Cobra Adhere XL 2 Surgical System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K113475

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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