510(k) Report

510(k) · Cleared

Cleared

WiScope OM Endoscope System, WiScope Single-Use Digital Flexible Ureteroscope.Choledochoscope, WiScope Image System

K210579510(k) TraditionalCleared Jul 22, 2021146-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

OTU Medical, Inc. · FGB Ureteroscope And Accessories, Flexible/Rigid

Cleared on Jul 22, 2021 as substantially equivalent to K181977 (OTU Medical, Inc., 2018) and 1 other predicate after a 146-day review. Its family tree reaches back 10 generations to 1993. 1 of the 28 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.

Decided
Jul 22, 2021
Review
146 days
Class
Class II
Product code
FGB
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K931154 (1993). 26 ancestors in all, the oldest K843084 (1985). 1 later device descends from it, 1 citing it directly. 1 of the 28 devices in this family, counting this one, has a Class I recall.

  1. Root · 10 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
  2. 6 generations between
  3. 3 generations backK131369 Flexible Video-Uretero-Renoscope SystemKARL STORZ Endoscopy-America, Inc. · 2013 · Recalled
  4. 2 generations backK171076 Medical Video Endoscope SystemZhuhai Pusen Medical Technology Co., Ltd. · 2017
  5. 1 generation backK181977 WiScope Digital Endoscope SystemOTU Medical, Inc. · 2018
  6. This deviceK210579 WiScope OM Endoscope System, WiScope Single-Use Digital Flexible…OTU Medical, Inc. · 2021
  7. Descendant · cites it directly · 0 of its ownK231497 Choledochoscope SystemShenzhen HugeMed Medical Technical Development Co., Ltd. · 2024
Show all 10 generations
  1. Root · 10 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
  2. 9 generations backK963033 BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc. · 1996 · Recalled
  3. 8 generations backK981543 Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories…The Olympus Optical Co. · 1998 · Recalled
  4. 7 generations backK021074 Visera Cystovideoscope Olympus Cyf Type V/VAOlympus America, Inc. · 2002
  5. 6 generations backK030960 Ecn Electronic Video CystonephroscopeAcmi Corporation · 2003
  6. 5 generations backK042225 Acmi Invisio Icn, Models Icn-0564 and Icn-0565Acmi Corporation · 2004
  7. 4 generations backK060269 Acmi Dur-Digital Ureteroscope and Choledochoscope SystemAcmi Corporation · 2006
  8. 3 generations backK131369 Flexible Video-Uretero-Renoscope SystemKARL STORZ Endoscopy-America, Inc. · 2013 · Recalled
  9. 2 generations backK171076 Medical Video Endoscope SystemZhuhai Pusen Medical Technology Co., Ltd. · 2017
  10. 1 generation backK181977 WiScope Digital Endoscope SystemOTU Medical, Inc. · 2018
  11. This deviceK210579 WiScope OM Endoscope System, WiScope Single-Use Digital Flexible…OTU Medical, Inc. · 2021

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K231497Choledochoscope SystemShenzhen HugeMed Medical Technical Development Co., Ltd. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K931154Evis 200 SystemOlympus Corp.1993—
−9K963033BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc.19966
−8K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and…The Olympus Optical Co.19985
−7K021074Visera Cystovideoscope Olympus Cyf Type V/VAOlympus America, Inc.2002—
−6K030960Ecn Electronic Video CystonephroscopeAcmi Corporation2003—
−5K042225Acmi Invisio Icn, Models Icn-0564 and Icn-0565Acmi Corporation2004—
−4K060269Acmi Dur-Digital Ureteroscope and Choledochoscope SystemAcmi Corporation2006—
−3K131369Flexible Video-Uretero-Renoscope SystemKARL STORZ Endoscopy-America, Inc.20131
−2K171076Medical Video Endoscope SystemZhuhai Pusen Medical Technology Co., Ltd.2017—
−1K181977WiScope Digital Endoscope SystemOTU Medical, Inc.2018—
0 (this device)K210579WiScope OM Endoscope System, WiScope Single-Use Digital Flexible…OTU Medical, Inc.2021—
+1K231497Choledochoscope SystemShenzhen HugeMed Medical Technical Development Co., Ltd.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198520
199121
199210
199310
199520
199720
200010
200140
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K210579, 1993–2024Source: 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.

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 FGB device

  1. #1 K251951 Single-Use Video Flexible Ureterorenoscope…score 16.2 · 10 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
*K181977WiScope Digital Endoscope System
Summary page 4
…predicate devices: Applicant Device name 510(k) Number Product code OTU Medical Inc. WiScope™ Digital Endoscope System K181977 FGB ACMI Corporation ACMI® DUR-Digital Ureteroscope and K060269 FBN, FGB…
OTU Medical, Inc.2018—
*K060269Acmi Dur-Digital Ureteroscope and Choledochoscope System
Summary page 4
…510(k) Number Product code OTU Medical Inc. WiScope™ Digital Endoscope System K181977 FGB ACMI Corporation ACMI® DUR-Digital Ureteroscope and K060269 FBN, FGB Choledochoscope System (DUR®-D) 6. Device Description WiScope® OM Endosc…
Acmi Corporation2006—

Also cleared against K181977: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K231497Choledochoscope SystemShenzhen HugeMed Medical Technical Development Co., Ltd.20240

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.

  • K912120Urf-P2 Ureterorenofiberscope/CholedochofiberscopeOlympus Corp. · 1991 · 5 generations back · ◆ in the 1991 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 28 years and passes through 7 companies; a new generation was cleared every 2.9 years on median.
  • 8 of the 26 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K231497 (Shenzhen HugeMed Medical Technical Development Co., Ltd., 2024) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K181977.

How does its category compare?

All FGB devices

FGB Ureteroscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · FGB

17in 2025

2012: 22013: 12014: 22015: 12017: 22018: 42019: 22020: 22021: 32022: 52023: 82024: 162025: 172026 (partial year): 9
2007high 17 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FGB

134in 2025

2018: 191 days median2021: 191 days median2022: 205 days median2023: 183 days median2024: 217 days median2025: 134 days median2026 (partial year): 140 days median
2007high 217 (2024) · low 134 (2025)2026

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

Recalls per year · FGB

15in 2024

2022: 42023: 12024: 152026 (partial year): 1
2007high 15 (2024) · low 0 (2007)2026

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

Adverse event reports per year · FGB

1,307in 2025

2007: 62008: 72009: 42010: 202011: 172012: 112013: 82014: 122015: 162016: 352017: 1422018: 1182019: 2072020: 4022021: 3252022: 4552023: 4582024: 5722025: 1,307
2007high 1,307 (2025) · low 4 (2009)2025

MAUDE reports naming product code FGB, 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—06
20080—07
20090—04
20100—020
20110—017
20122—011
20131—08
20142—012
20151—016
20160—035
20172—0142
201841910118
20192—0207
20202—0402
202131910325
202252054455
202381831458
20241621715572
20251713401,307
202691401—

What is it indicated for?

WiScope® OM Endoscope System is intended to be used by physicians to access, visualize, and perform procedures in the urinary tract and the kidney.

WiScope® OM Endoscope System is also intended to be used by physicians through percutaneous insertion to access, visualize, and perform procedures in the pancreaticobiliary system including the hepatic ducts and the common bile duct.

The instrument enables delivery and use of accessories such as biopsy forceps, laser fibers, graspers and retrieval baskets at a surgical site.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K210579: WiScope OM Endoscope System, WiScope Single-Use Digital Flexible Ureteroscope.Choledochoscope, WiScope Image System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210579

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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