510(k) Report

510(k) · Cleared

Cleared

Cabot Medical Reusable Bipolar Cutting Forceps

K946109510(k) TraditionalCleared Nov 21, 1995342-day reviewClass II21 CFR 876.4300

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

Cabot Medical Corp. · KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories)

Cleared on Nov 21, 1995 after a 342-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 203 later devices descend from it.

Decided
Nov 21, 1995
Review
342 days
Class
Class II
Product code
KNS
Recalls
None
Predicates
0

203 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1998: 1 descendant cleared2016: 16 descendants cleared2005: 3 descendants cleared2013: 8 descendants cleared2003: 3 descendants cleared2008: 6 descendants cleared2014: 10 descendants cleared2006: 6 descendants cleared2010: 4 descendants cleared2004: 3 descendants cleared2009: 2 descendants cleared2011: 9 descendants cleared2012: 5 descendants cleared2007: 5 descendants cleared2015: 14 descendants cleared2017: 13 descendants cleared2018: 18 descendants cleared2021: 12 descendants cleared2020: 9 descendants cleared2022: 10 descendants cleared2019: 6 descendants cleared2026: 10 descendants cleared2025: 7 descendants cleared2023: 12 descendants cleared2024: 11 descendants cleared1995200020052010201520202025
  1. This deviceK946109 Cabot Medical Reusable Bipolar Cutting ForcepsCabot Medical Corp. · 1995
  2. Descendant · cites it directly · 202 of its ownK981916 Ligasure Vessel Sealing SystemValleylab, Inc. · 1998
  3. Descendant · 2 generations on · 128 of its ownK051644 Valleylab Forcetriad Electrosurgical GeneratorValleylab · 2005
  4. Descendant · 2 generations on · 114 of its ownK031011 Ligasure 5MM Laparoscopic Sealer-Divider, Model LS1500Valleylab, Inc. · 2003 · Recalled
  5. Descendant · 3 generations on · 102 of its ownK070162 Forcetriad Electrosurgical Generator; Ligasure InstrumentsValleylab,A Division of Tyco Healthcare Group LP · 2007
  6. Descendant · 3 generations on · 65 of its ownK092879 Ligasure 5MM Blunt Tip Laparoscopic Sealer-DividerValleylab · 2009 · Recalled

Showing 5 of 203 descendants. See all descendants

Descendants cleared per year

1998: 12003: 32004: 32005: 32006: 62007: 52008: 62009: 22010: 42011: 92012: 52013: 82014: 102015: 142016: 162017: 132018: 182019: 62020: 92021: 122022: 102023: 122024: 112025: 72026: 10
1998high 18 (2018) · low 0 (1999)2026

Most influential descendants

Showing 5 of 203 · See all
  • K981916Ligasure Vessel Sealing SystemValleylab, Inc. · 1998 · cites it directly202descendants
  • K051644Valleylab Forcetriad Electrosurgical GeneratorValleylab · 2005 · 2 generations on128descendants
  • K031011Ligasure 5MM Laparoscopic Sealer-Divider, Model LS1500Valleylab, Inc. · 2003 · 2 generations on114descendants
  • K070162Forcetriad Electrosurgical Generator; Ligasure InstrumentsValleylab,A Division of Tyco Healthcare Group LP · 2007 · 3 generations on102descendants
  • K092879Ligasure 5MM Blunt Tip Laparoscopic Sealer-DividerValleylab · 2009 · 3 generations on65descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K946109Cabot Medical Reusable Bipolar Cutting ForcepsCabot Medical Corp.1995—
+1K981916Ligasure Vessel Sealing SystemValleylab, Inc.1998—
+2K051644Valleylab Forcetriad Electrosurgical GeneratorValleylab2005—
+2K031011Ligasure 5MM Laparoscopic Sealer-Divider, Model LS1500Valleylab, Inc.20032
+3K070162Forcetriad Electrosurgical Generator; Ligasure InstrumentsValleylab,A Division of Tyco Healthcare Group LP2007—
+3K092879Ligasure 5MM Blunt Tip Laparoscopic Sealer-DividerValleylab20091

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200330
200430
200530
200660
200750
200860
200920
201040
201190
201250
201380
2014100
2015140
2016160
2017130
2018180
201960
202090
2021120
2022100
2023120
2024110
202570
2026100
FIG. 1 — Lineage of K946109, 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in KNS? 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 KNS device

  1. #1 K241271 Aqua Medical RF Vapor Ablation Systemscore 17.2 · 20 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (203)

See all 203

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K981916Ligasure Vessel Sealing SystemValleylab, Inc.1998202

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?

  • Of its descendants, K981916 (Valleylab, Inc., 1998) has gone furthest, with 202 descendants of its own.

How does its category compare?

All KNS devices

KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KNS

11in 2025

2007: 12008: 32009: 32010: 42011: 12012: 22013: 22014: 12015: 32016: 32017: 32018: 52019: 72020: 42021: 42022: 32023: 92024: 32025: 112026 (partial year): 2
2007high 11 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KNS

171in 2025

2008: 61 days median2009: 212 days median2010: 168 days median2015: 252 days median2016: 30 days median2017: 48 days median2018: 62 days median2019: 66 days median2020: 212 days median2021: 139 days median2022: 182 days median2023: 83 days median2024: 198 days median2025: 171 days median
2007high 252 (2015) · low 30 (2016)2026

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

Recalls per year · KNS

14in 2024

2007: 32008: 52009: 22011: 22016: 62017: 12021: 412024: 142026 (partial year): 4
2007high 41 (2021) · low 0 (2010)2026

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

Adverse event reports per year · KNS

1,504in 2025

2007: 1642008: 5872009: 1,0272010: 9082011: 8602012: 8482013: 4492014: 4052015: 4062016: 4572017: 4462018: 5632019: 6682020: 9062021: 8142022: 9132023: 9762024: 1,5332025: 1,504
2007high 1,533 (2024) · low 164 (2007)2025

MAUDE reports naming product code KNS, 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
20071—3164
20083615587
2009321221,027
201041680908
20111—2860
20122—0848
20132—0449
20141—0405
201532520406
20163306457
20173481446
20185620563
20197660668
202042120906
2021413941814
202231820913
20239830976
20243198141,533
20251117101,504
20262—4—
Cite this page

510(k) Report. “K946109: Cabot Medical Reusable Bipolar Cutting Forceps.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K946109

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026