510(k) Report

510(k) · Cleared

Cleared

FG-36UX, Fiber Ultrasound Gastroscope

K010740510(k) TraditionalCleared Apr 17, 200135-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

Pentax Precision Instrument Corp. · ODG Endoscopic Ultrasound System, Gastroenterology-Urology

Cleared on Apr 17, 2001 as substantially equivalent to K961974 (Pentax Precision Instrument Corp., 1997) and 1 other predicate after a 35-day review. Its family tree reaches back 2 generations to 1981. 16 later devices descend from it.

Decided
Apr 17, 2001
Review
35 days
Class
Class II
Product code
ODG
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K812810 (1981). 6 ancestors in all. 16 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor1995: 1 other ancestor1992: 1 other ancestor1991: 1 other ancestor2002: 1 descendant cleared2004: 2 descendants cleared2003: 2 descendants cleared2006: 1 descendant cleared2009: 2 descendants cleared2013: 2 descendants cleared2024: 1 descendant cleared2017: 1 descendant cleared2018: 1 descendant cleared2020: 2 descendants cleared2023: 1 descendant clearedK812810 · Pentax Flexible Driodenofiberscope · Pentax Precision Instrument Corp. · 1981K961974 · FG-36UX, Ultrasound Upper GI Fiberscope · Pentax Precision Instrument Corp. · 1997 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 4 descendants4 generations forward: 2 descendants5 generations forward: 2 descendants6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 2 descendants K961974 · FG-36UX, Ultrasound Upper GI Fiberscope · Pentax Precision Instrument Corp. · 1997 · recalledK812810 · Pentax Flexible Driodenofiberscope · Pentax Precision Instrument Corp. · 19810+5
  1. Root · 2 generations backK812810 Pentax Flexible DriodenofiberscopePentax Precision Instrument Corp. · 1981
  2. 1 generation backK961974 FG-36UX, Ultrasound Upper GI FiberscopePentax Precision Instrument Corp. · 1997 · Recalled
  3. This deviceK010740 FG-36UX, Fiber Ultrasound GastroscopePentax Precision Instrument Corp. · 2001
  4. Descendant · cites it directly · 10 of its ownK021278 EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp. · 2002
  5. Descendant · 2 generations on · 9 of its ownK023401 EG-3830UT, Video Ultrasound GastroscopePentax Precision Instrument Corp. · 2003
  6. Descendant · 3 generations on · 6 of its ownK090197 EG-3870UTKPentax Medical Company · 2009 · Recalled
  7. Descendant · 4 generations on · 5 of its ownK130247 Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013 · Recalled
  8. Descendant · 5 generations on · 4 of its ownK162447 PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I.…Pentax of America, Inc. · 2017

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2002: 12003: 22004: 22006: 12009: 22013: 22017: 12018: 12020: 22023: 12024: 1
2002high 2 (2003) · low 0 (2005)2026

Most influential descendants

Showing 5 of 16 · See all
  • K021278EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp. · 2002 · cites it directly10descendants
  • K023401EG-3830UT, Video Ultrasound GastroscopePentax Precision Instrument Corp. · 2003 · 2 generations on9descendants
  • K090197EG-3870UTKPentax Medical Company · 2009 · 3 generations on6descendants
  • K130247Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013 · 4 generations on5descendants
  • K162447PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I. Video Scope (Convex…Pentax of America, Inc. · 2017 · 5 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K812810Pentax Flexible DriodenofiberscopePentax Precision Instrument Corp.1981—
−1K961974FG-36UX, Ultrasound Upper GI FiberscopePentax Precision Instrument Corp.19972
0 (this device)K010740FG-36UX, Fiber Ultrasound GastroscopePentax Precision Instrument Corp.2001—
+1K021278EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp.2002—
+2K023401EG-3830UT, Video Ultrasound GastroscopePentax Precision Instrument Corp.2003—
+3K090197EG-3870UTKPentax Medical Company20092
+4K130247Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc.20131
+5K162447PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I. Video Scope…Pentax of America, Inc.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199210
199510
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200320
200420
200610
200920
201320
201710
201810
202020
202310
202410
FIG. 1 — Lineage of K010740, 1981–2024Source: 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 ODG? 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 ODG device

  1. #1 K251859 EVIS EUS Ultrasound Gastrointestinal…score 14.0 · 4 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? (2)

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
*K961974FG-36UX, Ultrasound Upper GI Fiberscope
Summary page 4
…ies (78K0G) {876.1500} Predicated Device(s) Information: Model, Description Manufacturer PMN# FG-36UX, Fiber Ultrasound Gastroscope (with EUB-410,-5 15,-565,-555) PPIC K961974 EUB-6000, Ultrasound Diagnostic Scanmer : Hitachi America K994026 Device Description: The FG-36UX, Fiber Ultrasound Gastroscope…
Pentax Precision Instrument Corp.19972
*K994026Eub-6000 Ultrasound Diagnostic Scanner
Summary page 4
…Description Manufacturer PMN# FG-36UX, Fiber Ultrasound Gastroscope (with EUB-410,-5 15,-565,-555) PPIC K961974 EUB-6000, Ultrasound Diagnostic Scanmer : Hitachi America K994026 Device Description: The FG-36UX, Fiber Ultrasound Gastroscope, can be used with any Lightsource (with the ° appropriate lightgu…
Hitachi Medical Corp. of America2000—

Also cleared against K961974: 2 other devices →

What descends from it? (16)

See all 16

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

NumberDeviceApplicantDecidedDescendants
K021278EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp.200210
K041395EG-3630URPentax Precision Instrument Corp.20044

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?

  • The line of descent spans 20 years and passes through 1 company; a new generation was cleared every 15.2 years on median.
  • 1 of the 6 ancestors has a recall of any class.
  • Of its descendants, K021278 (Pentax Precision Instrument Corp., 2002) has gone furthest, with 10 descendants of its own.
  • 2 other devices also cite its predicate K961974.

How does its category compare?

All ODG devices

ODG Endoscopic Ultrasound System, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ODG

2in 2025

2009: 22011: 22013: 22014: 12016: 12017: 42018: 32019: 12020: 22021: 12022: 42023: 12024: 12025: 22026 (partial year): 2
2007high 4 (2017) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ODG

71in 2022

2017: 75 days median2018: 30 days median2022: 71 days median
2007high 75 (2017) · low 30 (2018)2026

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

Recalls per year · ODG

4in 2020

2020: 42026 (partial year): 4
2007high 4 (2020) · low 0 (2007)2026

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

Adverse event reports per year · ODG

3,569in 2025

2008: 12009: 32010: 22011: 132012: 62013: 22014: 12015: 112016: 502017: 822018: 662019: 962020: 4452021: 1,2342022: 1,8322023: 2,0782024: 1,9042025: 3,569
2007high 3,569 (2025) · low 0 (2007)2025

MAUDE reports naming product code ODG, 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—01
20092—03
20100—02
20112—013
20120—06
20132—02
20141—01
20150—011
20161—050
2017475082
2018330066
20191—096
20202—4445
20211—01,234
202247101,832
20231—02,078
20241—01,904
20252—03,569
20262—4—

What is it indicated for?

Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K010740: FG-36UX, Fiber Ultrasound Gastroscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K010740

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026