510(k) Report

510(k) · Cleared

Recalled · Class II · 2017

EG-3870UTK

K090197510(k) TraditionalCleared May 19, 2009112-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

Pentax Medical Company · ODG Endoscopic Ultrasound System, Gastroenterology-Urology

Cleared on May 19, 2009 as substantially equivalent to K023401 (Pentax Precision Instrument Corp., 2003) and 1 other predicate after a 112-day review. Its family tree reaches back 5 generations to 1981. 6 later devices descend from it. It has been recalled 2 times.

Decided
May 19, 2009
Review
112 days
Class
Class II
Product code
ODG
Recalls
2
Predicates
2

Its longest line of descent runs back 5 generations to K812810 (1981). 12 ancestors in all. 6 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2006: 1 other ancestor2002: 2 other ancestors2000: 1 other ancestor1995: 1 other ancestor1992: 1 other ancestor1991: 1 other ancestor2013: 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 · recalledK010740 · FG-36UX, Fiber Ultrasound Gastroscope · Pentax Precision Instrument Corp. · 2001×2: 2 generations cleared close together, K021278 (2002), K023401 (2003) 19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors5 generations back: 3 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 1 descendant4 generations forward: 1 descendant5 generations forward: 2 descendants K023401 · EG-3830UT, Video Ultrasound Gastroscope · Pentax Precision Instrument Corp. · 2003K021278 · EG-3630UR, Ultrasound Video Gastroscope · Pentax Precision Instrument Corp. · 2002K010740 · FG-36UX, Fiber Ultrasound Gastroscope · Pentax Precision Instrument Corp. · 2001K961974 · FG-36UX, Ultrasound Upper GI Fiberscope · Pentax Precision Instrument Corp. · 1997 · recalledK812810 · Pentax Flexible Driodenofiberscope · Pentax Precision Instrument Corp. · 1981−50+5
  1. Root · 5 generations backK812810 Pentax Flexible DriodenofiberscopePentax Precision Instrument Corp. · 1981
  2. 4 generations backK961974 FG-36UX, Ultrasound Upper GI FiberscopePentax Precision Instrument Corp. · 1997 · Recalled
  3. 3 generations backK010740 FG-36UX, Fiber Ultrasound GastroscopePentax Precision Instrument Corp. · 2001
  4. 2 generations backK021278 EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp. · 2002
  5. 1 generation backK023401 EG-3830UT, Video Ultrasound GastroscopePentax Precision Instrument Corp. · 2003
  6. This deviceK090197 EG-3870UTKPentax Medical Company · 2009
  7. Descendant · cites it directly · 5 of its ownK130247 Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013 · Recalled
  8. Descendant · 2 generations on · 4 of its ownK162447 PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I.…Pentax of America, Inc. · 2017
  9. Descendant · 3 generations on · 3 of its ownK182004 PENTAX Medical Endoscopic Ultrasound SystemPentax of America, Inc. · 2018 · Recalled
  10. Descendant · 4 generations on · 2 of its ownK200090 PENTAX Medical EG-J10U Endoscopic Ultrasound System - EG34-J10U…Pentax of America, Inc. · 2020 · Recalled
  11. Descendant · 5 generations on · 0 of its ownK232518 EndoSound Vision System; EVSEndosound, Inc. · 2023

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2013: 12017: 12018: 12020: 22023: 1
2013high 2 (2020) · low 0 (2014)2026

Most influential descendants

Showing 5 of 6 · See all
  • K130247Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013 · cites it directly5descendants
  • K162447PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I. Video Scope (Convex…Pentax of America, Inc. · 2017 · 2 generations on4descendants
  • K182004PENTAX Medical Endoscopic Ultrasound SystemPentax of America, Inc. · 2018 · 3 generations on3descendants
  • K200090PENTAX Medical EG-J10U Endoscopic Ultrasound System - EG34-J10U Ultrasound Upper GI…Pentax of America, Inc. · 2020 · 4 generations on2descendants
  • K232518EndoSound Vision System; EVSEndosound, Inc. · 2023 · 5 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K812810Pentax Flexible DriodenofiberscopePentax Precision Instrument Corp.1981—
−4K961974FG-36UX, Ultrasound Upper GI FiberscopePentax Precision Instrument Corp.19972
−3K010740FG-36UX, Fiber Ultrasound GastroscopePentax Precision Instrument Corp.2001—
−2K021278EG-3630UR, Ultrasound Video GastroscopePentax Precision Instrument Corp.2002—
−1K023401EG-3830UT, Video Ultrasound GastroscopePentax Precision Instrument Corp.2003—
0 (this device)K090197EG-3870UTKPentax Medical Company2009—
+1K130247Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc.20131
+2K162447PENTAX Medical Endoscopic Ultrasound System, EG-3270UK Upper G.I. Video Scope…Pentax of America, Inc.2017—
+3K182004PENTAX Medical Endoscopic Ultrasound SystemPentax of America, Inc.20182
+4K200090PENTAX Medical EG-J10U Endoscopic Ultrasound System - EG34-J10U Ultrasound…Pentax of America, Inc.20202
+5K232518EndoSound Vision System; EVSEndosound, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199210
199510
200010
200220
200610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
201710
201810
202020
202310
FIG. 1 — Lineage of K090197, 1981–2023Source: 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 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
*K023401EG-3830UT, Video Ultrasound Gastroscope
Summary page 1
…Manufacturer PMNF EG-3830UT, Ultrasound Video Gastroscope Pentax Corporation K023401 Hi Vision 900 Diagnostic Ultrasound Scanner Hitachi K063518 Device Descriptio…
Pentax Precision Instrument Corp.2003—
*K063518HI Vision 900 Diagnostic Ultrasound Scanner
Summary page 1
…Pentax Corporation K023401 Hi Vision 900 Diagnostic Ultrasound Scanner Hitachi K063518 Device Description The EG-387OUTK, Ultrasound Video Gastroscope, must be used with a Pentax Video processor (a software controll…
Hitachi Medical Systems America, Inc.2006—

Also cleared against K023401: 2 other devices →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K130247Pentax EG-3870UTK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc.20135

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

Recalls of this device

DateClassRecallRoot causeReason
May 23, 2017Class IIZ-3068-2017Error in labelingError in reprocessing instructions in Revisions 13 and 14 of IFU Z845, used with EG-3670URK and EG-3870UTK ultrasound gastroscopes. In the disinfection step, the IFU has a warning indicating the cleaning detergent solution should remain…
Mar 14, 2012Not classifiedZ-1489-2012Equipment maintenanceEndoscope ultrasound balloon evacuation tube may become clogged with patient body fluid if users fail to properly follow instructions for pre-procedure check, operating the suction valve during procedure and pre-cleaning procedure.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 28 years and passes through 2 companies; a new generation was cleared every 4.2 years on median.
  • 2 of the 12 ancestors have a recall of any class.
  • Of its descendants, K130247 (Pentax of America, Inc., 2013) has gone furthest, with 5 descendants of its own.
  • 2 other devices also cite its predicate K023401.

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. 2009, this device’s year, is highlighted.

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?

The EG-3870UTK, Ultrasound Video Gastroscope, is intended to provide optical visualization of, ultrasonic visualization of, and therapeutic access to, the Upper Gastrointestinal Track including but not restricted to the organs, tissues, and subsystems: Esophagus, Stomach, Duodenum, Small Bowel, and underlying areas. The instrument is introduced per orally when indications consistent with the requirement for procedure are observed in adult and pediatric patient populations.

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

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K090197: EG-3870UTK.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K090197

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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