510(k) Report

510(k) · Cleared

Cleared

WiScope® Digital Cystoscope System, WiScope® Single-Use Digital Flexible Cystoscope, WiScope® Medical Tablet

K231702510(k) TraditionalCleared Sep 29, 2023109-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. · FAJ Cystoscope And Accessories, Flexible/Rigid

Cleared on Sep 29, 2023 as substantially equivalent to K212202 (OTU Medical, Inc., 2022) after a 109-day review. Its family tree reaches back 11 generations to 1992. 2 of the 46 devices in its family, counting itself, have a Class I recall.

Decided
Sep 29, 2023
Review
109 days
Class
Class II
Product code
FAJ
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K921244 (1992). 45 ancestors in all, the oldest K843084 (1985). No later device cites it as a predicate yet. 2 of the 46 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year cleared 2014: 1 other ancestor2013: 1 other ancestor2002: 2 other ancestors1996: 4 other ancestors2011: 1 other ancestor2009: 1 other ancestor2006: 1 other ancestor2003: 1 other ancestor, 1 with a Class I recall12000: 3 other ancestors1998: 1 other ancestor1993: 4 other ancestors1991: 2 other ancestors, 1 with a Class I recall12007: 1 other ancestor2005: 1 other ancestor1995: 1 other ancestor1992: 3 other ancestors1985: 2 other ancestors2001: 1 other ancestor1999: 1 other ancestor1994: 1 other ancestor1986: 1 other ancestorK921244 · Disposable Protective Sheath · Vision-Sciences, Inc. · 1992K961591 · Disposable Endosheath for E-F100 Flexible Nasopharyngoscope · Vision-Sciences, Inc. · 1996K963795 · Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable Endosheath · Vision-Sciences, Inc. · 1996K021344 · B-F200 Bronchoscope with BSS-F21 Endosheath System · Vision-Sciences, Inc. · 2002K031786 · Tne-2000 Esophagoscope with Ecs-D Endosheath System · Vision-Sciences, Inc. · 2003K040215 · Vision-Sciences CST-2000 Flexible Cystoscope with Slide-on Endosheath System · Vision-Sciences, Inc. · 2004K053560 · Modified Endosheath System for Vsi Flexible Cystoscope · Vision-Sciences, Inc. · 2006K072180 · Vision-Sciences CST-5000 Video Cystoscope with Endosheath System · Vision-Sciences, Inc. · 2007K160766 · Ambu USR, Ambu M · Ambu A/S · 2016K193095 · Ambu aScope 4 Cysto · Ambu A/S · 2020K212202 · WiScope Digital Cystoscope System, WiScope Single-Use Digital Flexible Cystoscope, WiScope Image System · OTU Medical, Inc. · 20221990200020102020
  1. Root · 11 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
  2. 7 generations between
  3. 3 generations backK160766 Ambu USR, Ambu MAmbu A/S · 2016
  4. 2 generations backK193095 Ambu aScope 4 CystoAmbu A/S · 2020
  5. 1 generation backK212202 WiScope Digital Cystoscope System, WiScope Single-Use Digital…OTU Medical, Inc. · 2022
  6. This deviceK231702 WiScope® Digital Cystoscope System, WiScope® Single-Use Digital…OTU Medical, Inc. · 2023
Show all 11 generations
  1. Root · 11 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
  2. 10 generations backK961591 Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc. · 1996
  3. 9 generations backK963795 Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21…Vision-Sciences, Inc. · 1996
  4. 8 generations backK021344 B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc. · 2002
  5. 7 generations backK031786 Tne-2000 Esophagoscope with Ecs-D Endosheath SystemVision-Sciences, Inc. · 2003
  6. 6 generations backK040215 Vision-Sciences CST-2000 Flexible Cystoscope with Slide-on…Vision-Sciences, Inc. · 2004
  7. 5 generations backK053560 Modified Endosheath System for Vsi Flexible CystoscopeVision-Sciences, Inc. · 2006
  8. 4 generations backK072180 Vision-Sciences CST-5000 Video Cystoscope with Endosheath SystemVision-Sciences, Inc. · 2007
  9. 3 generations backK160766 Ambu USR, Ambu MAmbu A/S · 2016
  10. 2 generations backK193095 Ambu aScope 4 CystoAmbu A/S · 2020
  11. 1 generation backK212202 WiScope Digital Cystoscope System, WiScope Single-Use Digital…OTU Medical, Inc. · 2022
  12. This deviceK231702 WiScope® Digital Cystoscope System, WiScope® Single-Use Digital…OTU Medical, Inc. · 2023

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K921244Disposable Protective SheathVision-Sciences, Inc.1992—
−10K961591Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc.1996—
−9K963795Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable…Vision-Sciences, Inc.1996—
−8K021344B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc.2002—
−7K031786Tne-2000 Esophagoscope with Ecs-D Endosheath SystemVision-Sciences, Inc.2003—
−6K040215Vision-Sciences CST-2000 Flexible Cystoscope with Slide-on Endosheath SystemVision-Sciences, Inc.2004—
−5K053560Modified Endosheath System for Vsi Flexible CystoscopeVision-Sciences, Inc.2006—
−4K072180Vision-Sciences CST-5000 Video Cystoscope with Endosheath SystemVision-Sciences, Inc.2007—
−3K160766Ambu USR, Ambu MAmbu A/S2016—
−2K193095Ambu aScope 4 CystoAmbu A/S2020—
−1K212202WiScope Digital Cystoscope System, WiScope Single-Use Digital Flexible…OTU Medical, Inc.2022—
0 (this device)K231702WiScope® Digital Cystoscope System, WiScope® Single-Use Digital Flexible…OTU Medical, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198520
198610
199121
199230
199340
199410
199510
199640
199810
199910
200030
200110
200220
200311
200510
200610
200710
200910
201110
201310
201410
FIG. 1 — Lineage of K231702, 1992–2023Source: 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.

2 devices in this family have 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 FAJ device

  1. #1 K193095 Ambu aScope 4 Cystoscore 31.5 · 9 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? (1)

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
*K212202WiScope Digital Cystoscope System, WiScope Single-Use Digital Flexible Cystoscope…
Summary page 4
…devices: Applicant Device name 510(k) Number Product code OTU Medical Inc. WiScope® Digital Cystoscope System K212202 FAJ 6. Device Description WiScope® Digital Cystoscope System is designed for physicians to access, visualize, and p…
OTU Medical, Inc.2022—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (2 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 · 5 generations back · ◆ in the 2003 ancestors bar of FIG. 114 Class I recalls
  • 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 31 years and passes through 3 companies; a new generation was cleared every 1.9 years on median.
  • 14 of the 45 ancestors have a recall of any class; 2 have a Class I recall.

How does its category compare?

All FAJ devices

FAJ Cystoscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · FAJ

8in 2025

2007: 22009: 22010: 12012: 12014: 12016: 12017: 22018: 22019: 32020: 22021: 32022: 52023: 52024: 92025: 82026 (partial year): 5
2007high 9 (2024) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FAJ

98in 2025

2019: 207 days median2021: 127 days median2022: 170 days median2023: 207 days median2024: 130 days median2025: 98 days median2026 (partial year): 123 days median
2007high 207 (2019) · low 98 (2025)2026

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

Recalls per year · FAJ

7in 2023

2017: 12022: 12023: 7
2007high 7 (2023) · low 0 (2007)2026

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

Adverse event reports per year · FAJ

2,690in 2025

2007: 92008: 102009: 102010: 92011: 132012: 82013: 122014: 62015: 282016: 752017: 792018: 792019: 1022020: 3392021: 4942022: 7442023: 9202024: 8922025: 2,690
2007high 2,690 (2025) · low 6 (2014)2025

MAUDE reports naming product code FAJ, 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
20072—09
20080—010
20092—010
20101—09
20110—013
20121—08
20130—012
20141—06
20150—028
20161—075
20172—179
20182—079
201932070102
20202—0339
202131270494
202251701744
202352077920
202491300892
202589802,690
202651230—

What is it indicated for?

WiScope® Digital Cystoscope System is intended to be used by physicians to access, visualize, and perform procedures in the bladder and lower ureter. 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. “K231702: WiScope® Digital Cystoscope System, WiScope® Single-Use Digital Flexible Cystoscope, WiScope® Medical Tablet.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K231702

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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