510(k) Report

510(k) · Cleared

Cleared

Gyrus Acmi Biocoag Probe

K092571510(k) TraditionalCleared Oct 20, 2010425-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

Gyrus Acmi, Inc. · KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories)

Cleared on Oct 20, 2010 as substantially equivalent to K912129 (Biosearch Medical Products, Inc., 1991) and 2 other predicates after a 425-day review. Its family tree reaches back 1 generation to 1989. 2 later devices descend from it.

Decided
Oct 20, 2010
Review
425 days
Class
Class II
Product code
KNS
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K892895 (1989). 3 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1991: 2 other ancestors2012: 1 descendant cleared2023: 1 descendant clearedK892895 · Model 8800 Bipolar Coagulation Therapeutic System · Everest Medical Corp. · 19891990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K892895 · Model 8800 Bipolar Coagulation Therapeutic System · Everest Medical Corp. · 19890
  1. Root · 1 generation backK892895 Model 8800 Bipolar Coagulation Therapeutic SystemEverest Medical Corp. · 1989
  2. This deviceK092571 Gyrus Acmi Biocoag ProbeGyrus Acmi, Inc. · 2010
  3. Descendant · cites it directly · 1 of its ownK123319 Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America · 2012 · Recalled
  4. Descendant · 2 generations on · 0 of its ownK232633 Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe…Boston Scientific · 2023

Most influential descendants

Showing 2 of 2 · See all
  • K123319Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America · 2012 · cites it directly1descendant
  • K232633Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe Bipolar…Boston Scientific · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K892895Model 8800 Bipolar Coagulation Therapeutic SystemEverest Medical Corp.1989—
0 (this device)K092571Gyrus Acmi Biocoag ProbeGyrus Acmi, Inc.2010—
+1K123319Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America20125
+2K232633Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe Bipolar…Boston Scientific2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
202310
FIG. 1 — Lineage of K092571, 1989–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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 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
Get a 510(k) Report

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
*K912129Dobbhoff (R) Bipolar Hemostatic Probe
Summary page 1
…Hlemostasis Probe Generic/Common Name: Endoscopic electrosurgical accessories. Predicate Device Biosearch Hemostatic probe cleared under K9 12129 Everest Hemostatic Bipolar Probe cleared under K892895 Bard Biprobe cleared under K912601 Intended Uses The Gymus ACM! Inc. Bi…
Biosearch Medical Products, Inc.1991—
*K892895Model 8800 Bipolar Coagulation Therapeutic System
Summary page 1
…Endoscopic electrosurgical accessories. Predicate Device Biosearch Hemostatic probe cleared under K9 12129 Everest Hemostatic Bipolar Probe cleared under K892895 Bard Biprobe cleared under K912601 Intended Uses The Gymus ACM! Inc. BiCoag Hemostasis Probe is intended for coagulation of act…
Everest Medical Corp.1989—
*K912601Biprobe (TM)
Summary page 1
…gical accessories. Predicate Device Biosearch Hemostatic probe cleared under K9 12129 Everest Hemostatic Bipolar Probe cleared under K892895 Bard Biprobe cleared under K912601 Intended Uses The Gymus ACM! Inc. BiCoag Hemostasis Probe is intended for coagulation of active bleeding lesions in the upper o…
C.R. Bard, Inc.1991—

Also cleared against K912129: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K123319Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America20121

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?

  • None of the 3 ancestors has a recall.
  • Of its descendants, K123319 (Olympus Surgical Technologies America, 2012) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K912129.

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. 2010, this device’s year, is highlighted.

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—

What is it indicated for?

The Gyrus ACMI Inc. BiCoag Hemostasis Probe is intended for coagulation of active bleeding lesions in the upper or lower gastrointestinal tract during endoscopic procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K092571: Gyrus Acmi Biocoag Probe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K092571

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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