510(k) Report

510(k) · Cleared

Recalled · Class II · 2015

Series 400 Gastroenterology System

K944620510(k) TraditionalCleared Apr 27, 1995219-day reviewClass II21 CFR 876.1500Recalls 2

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

Marks & Murase · FET Endoscopic Video Imaging System/Component, Gastroenterology-Urology

Cleared on Apr 27, 1995 after a 219-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 125 later devices descend from it. It has been recalled 2 times.

Decided
Apr 27, 1995
Review
219 days
Class
Class II
Product code
FET
Recalls
2
Predicates
0

125 later devices descend from it, 5 citing it directly.

Descendants, by year cleared 2014: 4 descendants cleared2004: 3 descendants cleared2011: 2 descendants cleared2012: 6 descendants cleared2009: 3 descendants cleared2007: 1 descendant cleared2015: 6 descendants cleared2017: 4 descendants cleared2013: 2 descendants cleared2016: 8 descendants cleared2018: 7 descendants cleared2022: 3 descendants cleared2019: 14 descendants cleared2010: 1 descendant cleared2023: 13 descendants cleared2021: 7 descendants cleared2020: 8 descendants cleared2025: 13 descendants cleared2024: 7 descendants cleared2026: 13 descendants cleared1995200020052010201520202025
  1. This deviceK944620 Series 400 Gastroenterology SystemMarks & Murase · 1995
  2. Descendant · cites it directly · 75 of its ownK041903 Fujinon G5 Colonoscopes, Models EC-450HL5 and EC-250HL5Fujinon, Inc. · 2004 · Recalled
  3. Descendant · 2 generations on · 45 of its ownK090116 Fujinon Colonoscope for Double Balloon Enterscopy System Model…Fujinon, Inc. · 2009
  4. Descendant · cites it directly · 39 of its ownK042043 Fujinon Inc. G5 Gastroscopes, Models EC-450WR5, EC-250WR5Fujinon, Inc. · 2004
  5. Descendant · cites it directly · 37 of its ownK102466 Fujinon Epx-4440HD Digital Video ProcessorFujinon, Inc. · 2011
  6. Descendant · 2 generations on · 33 of its ownK112391 Fujinon ColonoscopesFujinon, Inc. · 2012

Showing 5 of 125 descendants. See all descendants

Descendants cleared per year

2004: 32007: 12009: 32010: 12011: 22012: 62013: 22014: 42015: 62016: 82017: 42018: 72019: 142020: 82021: 72022: 32023: 132024: 72025: 132026: 13
2004high 14 (2019) · low 0 (2005)2026

Most influential descendants

Showing 5 of 125 · See all
  • K041903Fujinon G5 Colonoscopes, Models EC-450HL5 and EC-250HL5Fujinon, Inc. · 2004 · cites it directly75descendants
  • K090116Fujinon Colonoscope for Double Balloon Enterscopy System Model, EC-450B15Fujinon, Inc. · 2009 · 2 generations on45descendants
  • K042043Fujinon Inc. G5 Gastroscopes, Models EC-450WR5, EC-250WR5Fujinon, Inc. · 2004 · cites it directly39descendants
  • K102466Fujinon Epx-4440HD Digital Video ProcessorFujinon, Inc. · 2011 · cites it directly37descendants
  • K112391Fujinon ColonoscopesFujinon, Inc. · 2012 · 2 generations on33descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K944620Series 400 Gastroenterology SystemMarks & Murase1995—
+1K041903Fujinon G5 Colonoscopes, Models EC-450HL5 and EC-250HL5Fujinon, Inc.20041
+2K090116Fujinon Colonoscope for Double Balloon Enterscopy System Model, EC-450B15Fujinon, Inc.2009—
+1K042043Fujinon Inc. G5 Gastroscopes, Models EC-450WR5, EC-250WR5Fujinon, Inc.2004—
+1K102466Fujinon Epx-4440HD Digital Video ProcessorFujinon, Inc.2011—
+2K112391Fujinon ColonoscopesFujinon, Inc.2012—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200430
200710
200930
201010
201120
201260
201320
201440
201560
201680
201740
201870
2019140
202080
202170
202230
2023130
202470
2025130
2026130
FIG. 1 — Lineage of K944620, 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 FET? 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 FET device

  1. #1 K242067 Visera Elite Iii Video System Center Olympus…score 18.4 · 12 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?

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

What descends from it? (125)

See all 125

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

NumberDeviceApplicantDecidedDescendants
K041903Fujinon G5 Colonoscopes, Models EC-450HL5 and EC-250HL5Fujinon, Inc.200475
K042043Fujinon Inc. G5 Gastroscopes, Models EC-450WR5, EC-250WR5Fujinon, Inc.200439
K102466Fujinon Epx-4440HD Digital Video ProcessorFujinon, Inc.201137
K132210Fujifilm 600 Series EndoscopesFujifilm Medical Systems U.S.A, Inc.201425
K042076Fujinon G5 Duodenscopes; G5 Duodenoscopes, ED-450XT5, ED-250XT5Fujinon, Inc.20046

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

Recalls of this device

DateClassRecallRoot causeReason
Jun 30, 2015Class IIZ-2778-2015Device DesignThe suction button on the ED-530XT endoscope may become lodged (stuck) in the active position following the use of x-ray contrast agents during ERCP procedures.
Mar 27, 2006Not classifiedZ-0708-06OtherColonoscope insertion tube is not bending properly and is stiff.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K041903 (Fujinon, Inc., 2004) has gone furthest, with 75 descendants of its own.

How does its category compare?

All FET devices

FET Endoscopic Video Imaging System/Component, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FET

6in 2025

2007: 12008: 22009: 22010: 12011: 22012: 22013: 22015: 22016: 12017: 32018: 32019: 32020: 52021: 12022: 22023: 12024: 22025: 62026 (partial year): 3
2007high 6 (2025) · low 0 (2014)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FET

166in 2025

2017: 119 days median2018: 98 days median2019: 25 days median2020: 106 days median2025: 166 days median2026 (partial year): 69 days median
2007high 166 (2025) · low 25 (2019)2026

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

Recalls per year · FET

1in 2024

2023: 22024: 1
2007high 2 (2023) · low 0 (2007)2026

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

Adverse event reports per year · FET

14,530in 2025

2007: 22008: 12009: 62010: 32011: 72012: 112013: 82014: 32015: 32016: 252017: 662018: 672019: 722020: 3,0432021: 5,3002022: 6,1562023: 8,1992024: 13,1532025: 14,530
2007high 14,530 (2025) · low 1 (2008)2025

MAUDE reports naming product code FET, 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—02
20082—01
20092—06
20101—03
20112—07
20122—011
20132—08
20140—03
20152—03
20161—025
20173119066
2018398067
2019325072
2020510603,043
20211—05,300
20222—06,156
20231—28,199
20242—113,153
20256166014,530
20263690—
Cite this page

510(k) Report. “K944620: Series 400 Gastroenterology System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K944620

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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