510(k) Report

510(k) · Cleared

Cleared

Video Sigmoidoscope

K950429510(k) TraditionalCleared Aug 1, 1995180-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

Welch Allyn, Inc. · FAM Sigmoidoscope And Accessories, Flexible/Rigid

Cleared on Aug 1, 1995 after a 180-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 later device descends from it.

Decided
Aug 1, 1995
Review
180 days
Class
Class II
Product code
FAM
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared1995200020052010201520202025
  1. This deviceK950429 Video SigmoidoscopeWelch Allyn, Inc. · 1995
  2. Descendant · cites it directly · 0 of its ownK964131 EndoscopeAkos Biomedical, Inc. · 1997

Most influential descendants

Showing 1 of 1 · See all
  • K964131EndoscopeAkos Biomedical, Inc. · 1997 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K950429Video SigmoidoscopeWelch Allyn, Inc.1995—
+1K964131EndoscopeAkos Biomedical, Inc.1997—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
FIG. 1 — Lineage of K950429, 1995–1997Source: 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 FAM? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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? (1)

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

NumberDeviceApplicantDecidedDescendants
K964131EndoscopeAkos Biomedical, Inc.19970

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, K964131 (Akos Biomedical, Inc., 1997) has gone furthest, with 0 descendants of its own.

How does its category compare?

All FAM devices

FAM Sigmoidoscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FAM

FDA has decided no FAM device since 2007.

Median 510(k) review, days · FAM

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

Recalls per year · FAM

No recall names FAM since 2007.

Adverse event reports per year · FAM

3in 2025

2009: 22010: 22012: 32014: 12016: 32019: 22022: 32023: 42024: 112025: 3
2007high 11 (2024) · low 0 (2007)2025

MAUDE reports naming product code FAM, 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
20070—00
20080—00
20090—02
20100—02
20110—00
20120—03
20130—00
20140—01
20150—00
20160—03
20170—00
20180—00
20190—02
20200—00
20210—00
20220—03
20230—04
20240—011
20250—03
20260—0—
Cite this page

510(k) Report. “K950429: Video Sigmoidoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K950429

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
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026