510(k) Report

510(k) · Cleared

Recalled · Class II · 2026

Gyrus Acmi Bicoag Hemostasis Probe

K123319510(k) SpecialCleared Dec 14, 201249-day reviewClass II21 CFR 876.4300Recalls 5

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

Olympus Surgical Technologies America · KNS Unit, Electrosurgical, Endoscopic (With Or Without Accessories)

Cleared on Dec 14, 2012 as substantially equivalent to K092571 (Gyrus Acmi, Inc., 2010) after a 49-day review. Its family tree reaches back 2 generations to 1989. 1 later device descends from it. It has been recalled 5 times.

Decided
Dec 14, 2012
Review
49 days
Class
Class II
Product code
KNS
Recalls
5
Predicates
1

Its longest line of descent runs back 2 generations to K892895 (1989). 4 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1991: 2 other ancestors2023: 1 descendant clearedK892895 · Model 8800 Bipolar Coagulation Therapeutic System · Everest Medical Corp. · 1989K092571 · Gyrus Acmi Biocoag Probe · Gyrus Acmi, Inc. · 20101990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors 1 generation forward: 1 descendant K092571 · Gyrus Acmi Biocoag Probe · Gyrus Acmi, Inc. · 2010K892895 · Model 8800 Bipolar Coagulation Therapeutic System · Everest Medical Corp. · 19890
  1. Root · 2 generations backK892895 Model 8800 Bipolar Coagulation Therapeutic SystemEverest Medical Corp. · 1989
  2. 1 generation backK092571 Gyrus Acmi Biocoag ProbeGyrus Acmi, Inc. · 2010
  3. This deviceK123319 Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America · 2012
  4. Descendant · cites it directly · 0 of its ownK232633 Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe…Boston Scientific · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K232633Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe Bipolar…Boston Scientific · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K892895Model 8800 Bipolar Coagulation Therapeutic SystemEverest Medical Corp.1989—
−1K092571Gyrus Acmi Biocoag ProbeGyrus Acmi, Inc.2010—
0 (this device)K123319Gyrus Acmi Bicoag Hemostasis ProbeOlympus Surgical Technologies America2012—
+1K232633Gold 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
202310
FIG. 1 — Lineage of K123319, 1989–2023Source: 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 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? (1)

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
*K092571Gyrus Acmi Biocoag Probe
Summary page 1
…BiCOAG Hemostasis Probe Generic/Common Name: BiCOAG, BiCOAG Probe Predicate Device Gyrus AGMI BiCOAG Hemostasis Probe K092571 Indications for Use The G yrus ACMI BiCOAG Hemostasis Probe is intended for coagulation of active bleeding lesions in the upper…
Gyrus Acmi, Inc.2010—

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K232633Gold Probe Bipolar Electrohemostasis Catheter; Injection Gold Probe Bipolar…Boston Scientific20230

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

Recalls of this device

DateClassRecallRoot causeReason
Aug 19, 2026Class IIZ-3245-2026Nonconforming Material/ComponentPotential for detachment of ceramic tip due to manufacturing without the designated amount of adhesive.
Aug 19, 2026Class IIZ-3247-2026Nonconforming Material/ComponentPotential for detachment of ceramic tip due to manufacturing without the designated amount of adhesive.
Aug 19, 2026Class IIZ-3244-2026Nonconforming Material/ComponentPotential for detachment of ceramic tip due to manufacturing without the designated amount of adhesive.
Aug 19, 2026Class IIZ-3246-2026Nonconforming Material/ComponentPotential for detachment of ceramic tip due to manufacturing without the designated amount of adhesive.
Jan 5, 2024Class IIZ-1481-2024Employee errorThe BICOAG Hemostasis Probe with a coaxial plug was mispackaged into the package and labeled as a BICOAG Hemostasis Probe with a fixed pin connector.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 21.1 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K232633 (Boston Scientific, 2023) has gone furthest, with 0 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. 2012, 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 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. “K123319: Gyrus Acmi Bicoag Hemostasis Probe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K123319

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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