510(k) Report

510(k) · Cleared

Cleared

PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX Medical Ultrasound Upper GI Video Scope EG36-J10UR, PENTAX Medical Ultrasound Upper GI Video Scope EG38-J10UT, PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U

K203166510(k) SpecialCleared Dec 30, 202068-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 of America, Inc. · ODG Endoscopic Ultrasound System, Gastroenterology-Urology

Cleared on Dec 30, 2020 as substantially equivalent to K200090 (Pentax of America, Inc., 2020) and 1 other predicate after a 68-day review. Its family tree reaches back 12 generations to 1989. 1 of the 77 devices in its family, counting itself, has a Class I recall.

Decided
Dec 30, 2020
Review
68 days
Class
Class II
Product code
ODG
Recalls
None
Predicates
2

Its longest line of descent runs back 12 generations to K894632 (1989). 76 ancestors in all, the oldest K812810 (1981). No later device cites it as a predicate yet. 1 of the 77 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year cleared 2020: 1 other ancestor2018: 1 other ancestor2017: 1 other ancestor2013: 1 other ancestor2006: 1 other ancestor2002: 5 other ancestors2009: 1 other ancestor2004: 2 other ancestors1994: 5 other ancestors2003: 4 other ancestors, 1 with a Class I recall12001: 5 other ancestors2000: 3 other ancestors1999: 3 other ancestors1998: 4 other ancestors1997: 9 other ancestors1996: 5 other ancestors1993: 3 other ancestors1991: 2 other ancestors1995: 3 other ancestors1992: 1 other ancestor1988: 1 other ancestor1986: 1 other ancestor1981: 1 other ancestor1989: 1 other ancestorK894632 · Model SSH-140A Ultrasound Imaging System · Toshiba America Medical Systems, In.C · 1989K941593 · Diagnostic Ultrasonic Transducer · Toshiba America Medical Systems, In.C · 1996K970047 · Phased Array Transducer - - PSK-20CT · Toshiba America Medical Systems, In.C · 1997K991710 · Ssa-370A/Powervision 6000 · Toshiba America Medical Systems, In.C · 1999K994096 · Sonoheart Hand-Carried Echocardiography System · Sonosite,Inc. · 1999K010591 · Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound Center · Olympus Optical Co., Ltd. · 2001 · recalledK031347 · Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8 · Olympus Optical Co., Ltd. · 2003K042140 · Olympus BF Type UC160-OL8 · Olympus Corporation · 2004 · recalledK070983 · Olympus XBF-UC180F-DT8 Ultrasonic Bronchofibervideoscope Used with Aloka SSD-Alpha 5/10 Ultrasound System · Olympus Medical Systems Corporation · 2007 · recalledK081518 · Ultrasound Video Bronchoscope, Model EB-1970UK · Pentax Medical Company · 2008K131946 · Entax Ultrasound Video Bronchoscope EB-1970UK + HI Visin Preirus · Pentax Medical Company · 2014 · recalledK183516 · PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U · Pentax of America, Inc. · 201919801990200020102020
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor3 generations back: 1 other ancestor4 generations back: 3 other ancestors5 generations back: 4 other ancestors6 generations back: 4 other ancestors7 generations back: 21 other ancestors, 1 with a Class I recall18 generations back: 16 other ancestors9 generations back: 7 other ancestors10 generations back: 4 other ancestors11 generations back: 2 other ancestors K183516 · PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U · Pentax of America, Inc. · 2019K131946 · Entax Ultrasound Video Bronchoscope EB-1970UK + HI Visin Preirus · Pentax Medical Company · 2014 · recalledK081518 · Ultrasound Video Bronchoscope, Model EB-1970UK · Pentax Medical Company · 2008K070983 · Olympus XBF-UC180F-DT8 Ultrasonic Bronchofibervideoscope Used with Aloka SSD-Alpha 5/10 Ultrasound System · Olympus Medical Systems Corporation · 2007 · recalledK042140 · Olympus BF Type UC160-OL8 · Olympus Corporation · 2004 · recalledK031347 · Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8 · Olympus Optical Co., Ltd. · 2003K010591 · Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound Center · Olympus Optical Co., Ltd. · 2001 · recalledK994096 · Sonoheart Hand-Carried Echocardiography System · Sonosite,Inc. · 1999K991710 · Ssa-370A/Powervision 6000 · Toshiba America Medical Systems, In.C · 1999K970047 · Phased Array Transducer - - PSK-20CT · Toshiba America Medical Systems, In.C · 1997K941593 · Diagnostic Ultrasonic Transducer · Toshiba America Medical Systems, In.C · 1996K894632 · Model SSH-140A Ultrasound Imaging System · Toshiba America Medical Systems, In.C · 1989−10−50
  1. Root · 12 generations backK894632 Model SSH-140A Ultrasound Imaging SystemToshiba America Medical Systems, In.C · 1989
  2. 8 generations between
  3. 3 generations backK081518 Ultrasound Video Bronchoscope, Model EB-1970UKPentax Medical Company · 2008
  4. 2 generations backK131946 Entax Ultrasound Video Bronchoscope EB-1970UK + HI Visin PreirusPentax Medical Company · 2014 · Recalled
  5. 1 generation backK183516 PENTAX Medical Ultrasound Video Bronchoscope EB19-J10UPentax of America, Inc. · 2019
  6. This deviceK203166 PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX…Pentax of America, Inc. · 2020
Show all 12 generations
  1. Root · 12 generations backK894632 Model SSH-140A Ultrasound Imaging SystemToshiba America Medical Systems, In.C · 1989
  2. 11 generations backK941593 Diagnostic Ultrasonic TransducerToshiba America Medical Systems, In.C · 1996
  3. 10 generations backK970047 Phased Array Transducer - - PSK-20CTToshiba America Medical Systems, In.C · 1997
  4. 9 generations backK991710 Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C · 1999
  5. 8 generations backK994096 Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc. · 1999
  6. 7 generations backK010591 Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound CenterOlympus Optical Co., Ltd. · 2001 · Recalled
  7. 6 generations backK031347 Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8Olympus Optical Co., Ltd. · 2003
  8. 5 generations backK042140 Olympus BF Type UC160-OL8Olympus Corporation · 2004 · Recalled
  9. 4 generations backK070983 Olympus XBF-UC180F-DT8 Ultrasonic Bronchofibervideoscope Used with…Olympus Medical Systems Corporation · 2007 · Recalled
  10. 3 generations backK081518 Ultrasound Video Bronchoscope, Model EB-1970UKPentax Medical Company · 2008
  11. 2 generations backK131946 Entax Ultrasound Video Bronchoscope EB-1970UK + HI Visin PreirusPentax Medical Company · 2014 · Recalled
  12. 1 generation backK183516 PENTAX Medical Ultrasound Video Bronchoscope EB19-J10UPentax of America, Inc. · 2019
  13. This deviceK203166 PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX…Pentax of America, Inc. · 2020

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K894632Model SSH-140A Ultrasound Imaging SystemToshiba America Medical Systems, In.C1989—
−11K941593Diagnostic Ultrasonic TransducerToshiba America Medical Systems, In.C1996—
−10K970047Phased Array Transducer - - PSK-20CTToshiba America Medical Systems, In.C1997—
−9K991710Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C1999—
−8K994096Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc.1999—
−7K010591Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound CenterOlympus Optical Co., Ltd.20012
−6K031347Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8Olympus Optical Co., Ltd.2003—
−5K042140Olympus BF Type UC160-OL8Olympus Corporation20041
−4K070983Olympus XBF-UC180F-DT8 Ultrasonic Bronchofibervideoscope Used with Aloka…Olympus Medical Systems Corporation20073
−3K081518Ultrasound Video Bronchoscope, Model EB-1970UKPentax Medical Company2008—
−2K131946Entax Ultrasound Video Bronchoscope EB-1970UK + HI Visin PreirusPentax Medical Company20144
−1K183516PENTAX Medical Ultrasound Video Bronchoscope EB19-J10UPentax of America, Inc.2019—
0 (this device)K203166PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX Medical…Pentax of America, Inc.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198610
198810
198910
199120
199210
199330
199450
199530
199650
199790
199840
199930
200030
200150
200250
200341
200420
200610
200910
201310
201710
201810
202010
FIG. 1 — Lineage of K203166, 1989–2020Source: 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.

1 device in this family has a Class I recall. 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
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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
*K200090PENTAX Medical EG-J10U Endoscopic Ultrasound System - EG34-J10U Ultrasound Upper GI…
Summary page 5
…EG36-J10UR Ultrasound Upper GI Video Scope (Radial Array Type), EG38-J10UT Ultrasound Upper GI Video Scope (Convex Array Type) 510(k) Number: K200090 Regulation Name: Endoscope and accessories Regulation Number: 21 CFR Part 876.1500 Regulation Class: II Product Code: ODG Subsequ…
Pentax of America, Inc.20202
*K183516PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U
Summary page 6
…e device for PENTAX Medical Ultrasound Video Bronchoscope (Proposed) is as follows. Trade Name: PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U 510(k) Number: K183516 Regulation Name: Bronchoscope (Flexible or Rigid) and Accessories Regulation Number: 21 CFR Part 874.4680 Regulation Class: II Pr…
Pentax of America, Inc.2019—

Also cleared against K200090: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K023984Modification to Olympus Bronchoscopes BF-40 Series, BF-240 Series, and BF-160 SeriesThe Olympus Optical Co. · 2003 · 7 generations back · ◆ in the 2003 ancestors bar of FIG. 114 Class I recalls

What does this lineage say?

  • The line of descent spans 31 years and passes through 7 companies; a new generation was cleared every 2.1 years on median.
  • 21 of the 76 ancestors have a recall of any class; 1 has a Class I recall.
  • 1 other device also cites its predicate K200090.

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. 2020, 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 PENTAX Medical EG-J10U Endoscopic Ultrasound System is intended to provide optical visualization of, ultrasonic visualization of, and therapeutic access to, the Upper Gastrointestinal Tract including but not restricted to the organs, tissues, and subsystems: Esophagus, Stomach, Duodenum and underlying areas. The instrument is introduced per orally when indications consistent with the requirement for procedure are observed in adult and pediatric…

Read the full statement (133 words)

The PENTAX Medical EG-J10U Endoscopic Ultrasound System is intended to provide optical visualization of, ultrasonic visualization of, and therapeutic access to, the Upper Gastrointestinal Tract including but not restricted to the organs, tissues, and subsystems: Esophagus, Stomach, Duodenum 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.

The PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U is intended to provide optical visualization of, ultrasonic visualization of, and therapeutic access to, the Pulmonary Track including but not restricted to organs, tissues, and subsystem: Nasal Passage, Pharynx, Larynx, Trachea, Bronchial Tree (including access beyond the stem), 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.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203166: PENTAX Medical Ultrasound Upper GI Video Scope EG34-J10U, PENTAX Medical Ultrasound Upper GI Video Scope EG36-J10UR, PENTAX Medical Ultrasound Upper GI Video Scope EG38-J10UT, PENTAX Medical Ultrasound Video Bronchoscope EB19-J10U.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K203166

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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