510(k) Report

510(k) · Cleared

Cleared

Cabot Medical Ultra Flow Cystourethroscope System with Operating & Diagnostic Sheaths

K951972510(k) TraditionalCleared Jul 21, 199585-day reviewClass II21 CFR 876.1500

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

Cabot Medical Corp. · FBO Cystourethroscope

Cleared on Jul 21, 1995 after an 85-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 7 later devices descend from it.

Decided
Jul 21, 1995
Review
85 days
Class
Class II
Product code
FBO
Recalls
None
Predicates
0

7 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2005: 1 descendant cleared2002: 1 descendant cleared2003: 1 descendant cleared2006: 1 descendant cleared2007: 1 descendant cleared2019: 1 descendant cleared2025: 1 descendant cleared1995200020052010201520202025
  1. This deviceK951972 Cabot Medical Ultra Flow Cystourethroscope System with Operating &…Cabot Medical Corp. · 1995
  2. Descendant · cites it directly · 4 of its ownK021166 Acmi Bipolar Rectoscope, Model Eiwe-BRAcmi-Circon Corporation · 2002
  3. Descendant · 2 generations on · 3 of its ownK031001 Acmi Vista CTR Bipolar Loop ElectrodeAcmi Corporation · 2003
  4. Descendant · 3 generations on · 2 of its ownK062720 S-Line Bipolar Resectoscopes and Bipolar ElectrodesRichard Wolf Medical Instruments Corp. · 2007 · Recalled
  5. Descendant · 4 generations on · 1 of its ownK191341 Veloxion Controller Kit, Veloxion Fluid Control Set, Veloxion…Corinth Medtech, Inc. · 2019
  6. Descendant · cites it directly · 1 of its ownK050910 Roei Working Element and Roel Cutting LoopsRoei Medical Technologies, Ltd. · 2005

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2002: 12003: 12005: 12006: 12007: 12019: 12025: 1
2002high 1 (2002) · low 0 (2004)2026

Most influential descendants

Showing 5 of 7 · See all
  • K021166Acmi Bipolar Rectoscope, Model Eiwe-BRAcmi-Circon Corporation · 2002 · cites it directly4descendants
  • K031001Acmi Vista CTR Bipolar Loop ElectrodeAcmi Corporation · 2003 · 2 generations on3descendants
  • K062720S-Line Bipolar Resectoscopes and Bipolar ElectrodesRichard Wolf Medical Instruments Corp. · 2007 · 3 generations on2descendants
  • K191341Veloxion Controller Kit, Veloxion Fluid Control Set, Veloxion Resectoscope, Veloxion…Corinth Medtech, Inc. · 2019 · 4 generations on1descendant
  • K050910Roei Working Element and Roel Cutting LoopsRoei Medical Technologies, Ltd. · 2005 · cites it directly1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K951972Cabot Medical Ultra Flow Cystourethroscope System with Operating & Diagnostic…Cabot Medical Corp.1995—
+1K021166Acmi Bipolar Rectoscope, Model Eiwe-BRAcmi-Circon Corporation2002—
+2K031001Acmi Vista CTR Bipolar Loop ElectrodeAcmi Corporation2003—
+3K062720S-Line Bipolar Resectoscopes and Bipolar ElectrodesRichard Wolf Medical Instruments Corp.20072
+4K191341Veloxion Controller Kit, Veloxion Fluid Control Set, Veloxion Resectoscope…Corinth Medtech, Inc.2019—
+1K050910Roei Working Element and Roel Cutting LoopsRoei Medical Technologies, Ltd.2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200310
200510
200610
200710
201910
202510
FIG. 1 — Lineage of K951972, 1995–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in FBO? 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 FBO device

  1. #1 K244001 KARL STORZ Cysto-Urethro-Fiberscope…score 9.3 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K021166Acmi Bipolar Rectoscope, Model Eiwe-BRAcmi-Circon Corporation20024
K050910Roei Working Element and Roel Cutting LoopsRoei Medical Technologies, Ltd.20051

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, K021166 (Acmi-Circon Corporation, 2002) has gone furthest, with 4 descendants of its own.

How does its category compare?

All FBO devices

FBO Cystourethroscope: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FBO

1in 2025

2007: 12008: 22014: 12024: 12025: 1
2007high 2 (2008) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FBO

Too few FBO 510(k)s in any year since 2007 to give a median.

Recalls per year · FBO

1in 2023

2022: 52023: 1
2007high 5 (2022) · low 0 (2007)2026

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

Adverse event reports per year · FBO

26in 2025

2008: 32009: 22010: 32011: 32012: 72013: 52014: 102015: 102016: 92017: 112018: 112019: 152020: 202021: 182022: 332023: 292024: 302025: 26
2007high 33 (2022) · low 0 (2007)2025

MAUDE reports naming product code FBO, 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—00
20082—03
20090—02
20100—03
20110—03
20120—07
20130—05
20141—010
20150—010
20160—09
20170—011
20180—011
20190—015
20200—020
20210—018
20220—533
20230—129
20241—030
20251—026
20260—0—
Cite this page

510(k) Report. “K951972: Cabot Medical Ultra Flow Cystourethroscope System with Operating & Diagnostic Sheaths.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K951972

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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