510(k) · Cleared
ClearedVideo Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope SP11A Endoscopic Video Processor M110B)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zhuhai Wesee Meditech Co., Ltd. · EOB Nasopharyngoscope (Flexible Or Rigid)
Cleared on Mar 25, 2026 as substantially equivalent to K191080 (Ambu A/S, 2019) and 1 other predicate after a 180-day review. Its family tree reaches back 12 generations to 1992. 2 of the 46 devices in its family, counting itself, have a Class I recall.
- Decided
- Mar 25, 2026
- Review
- 180 days
- Class
- Class II
- Product code
- EOB
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 12 generations to K921244 (1992). 45 ancestors in all, the oldest K850978 (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.
- Root · 12 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
- 8 generations between
- 3 generations backK173727 Ambu aScope 3 Slim 3.8/1.2 and Ambu aScope 4 Broncho Slim 3.8/1.2…Ambu A/S · 2018
- 2 generations backK220606 Ambu aScope 5 Broncho HD 5.6/2.8, Ambu aScope 5 Broncho HD 5.0/2.2…Ambu A/S · 2022
- 1 generation backK223299 Ambu® aScope™ 5 Broncho HD 5.0/2.2, Ambu® aScope™ 5 Broncho HD…Ambu A/S · 2023 · Recalled
- This deviceK253184 Video Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope…Zhuhai Wesee Meditech Co., Ltd. · 2026
Show all 12 generations
- Root · 12 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
- 11 generations backK961591 Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc. · 1996
- 10 generations backK963795 Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21…Vision-Sciences, Inc. · 1996
- 9 generations backK021344 B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc. · 2002
- 8 generations backK031786 Tne-2000 Esophagoscope with Ecs-D Endosheath SystemVision-Sciences, Inc. · 2003
- 7 generations backK072088 Flexible Trans-Nasal Video Esophagoscope with Digital Video…Vision-Sciences, Inc. · 2007
- 6 generations backK091768 Video Sciences BRS-5000 Video Bronchoscope with Endosheath System…Vision-Sciences, Inc. · 2009
- 5 generations backK130845 Ambu Ascope 3 5.0/2.2; Ambu Ascope 3 Slim 3.8/1.2; Ambu AviewAmbu A/S · 2013
- 4 generations backK161656 Ambu aScope 3 Regular 5.0/2.2, Ambu aScope 3 Slim 3.8/1.2, Ambu…Ambu A/S · 2016
- 3 generations backK173727 Ambu aScope 3 Slim 3.8/1.2 and Ambu aScope 4 Broncho Slim 3.8/1.2…Ambu A/S · 2018
- 2 generations backK220606 Ambu aScope 5 Broncho HD 5.6/2.8, Ambu aScope 5 Broncho HD 5.0/2.2…Ambu A/S · 2022
- 1 generation backK223299 Ambu® aScope™ 5 Broncho HD 5.0/2.2, Ambu® aScope™ 5 Broncho HD…Ambu A/S · 2023 · Recalled
- This deviceK253184 Video Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope…Zhuhai Wesee Meditech Co., Ltd. · 2026
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −12 | K921244 | Disposable Protective Sheath | Vision-Sciences, Inc. | 1992 | — |
| −11 | K961591 | Disposable Endosheath for E-F100 Flexible Nasopharyngoscope | Vision-Sciences, Inc. | 1996 | — |
| −10 | K963795 | Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable… | Vision-Sciences, Inc. | 1996 | — |
| −9 | K021344 | B-F200 Bronchoscope with BSS-F21 Endosheath System | Vision-Sciences, Inc. | 2002 | — |
| −8 | K031786 | Tne-2000 Esophagoscope with Ecs-D Endosheath System | Vision-Sciences, Inc. | 2003 | — |
| −7 | K072088 | Flexible Trans-Nasal Video Esophagoscope with Digital Video Processor and… | Vision-Sciences, Inc. | 2007 | — |
| −6 | K091768 | Video Sciences BRS-5000 Video Bronchoscope with Endosheath System… | Vision-Sciences, Inc. | 2009 | — |
| −5 | K130845 | Ambu Ascope 3 5.0/2.2; Ambu Ascope 3 Slim 3.8/1.2; Ambu Aview | Ambu A/S | 2013 | — |
| −4 | K161656 | Ambu aScope 3 Regular 5.0/2.2, Ambu aScope 3 Slim 3.8/1.2, Ambu aScope 3 Large… | Ambu A/S | 2016 | — |
| −3 | K173727 | Ambu aScope 3 Slim 3.8/1.2 and Ambu aScope 4 Broncho Slim 3.8/1.2; Ambu aScope… | Ambu A/S | 2018 | — |
| −2 | K220606 | Ambu aScope 5 Broncho HD 5.6/2.8, Ambu aScope 5 Broncho HD 5.0/2.2, Ambu aBox 2 | Ambu A/S | 2022 | — |
| −1 | K223299 | Ambu® aScope™ 5 Broncho HD 5.0/2.2, Ambu® aScope™ 5 Broncho HD 5.6/2.8, Ambu®… | Ambu A/S | 2023 | 1 |
| 0 (this device) | K253184 | Video Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope SP11A… | Zhuhai Wesee Meditech Co., Ltd. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2011 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
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 EOB device
- #1 K254299 CLEARVISION Irrigation Sheath 0° (7241AS)…score 12.0 · 1 generation · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K191080 | Ambu aScope 4 RhinoLaryngo SlimSummary page 6…ponding Wesee endoscopes to process and display images for endoscopic procedure. 4. Identification of Predicate Device Predicate Device 1: K Number: K191080 Trade/Device Name: Ambu® aScope TM 4 RhinoLaryngo Slim Indication for Use: The endoscope is a sterile, single-us… | 2019 |
| * | K223299 | Ambu® aScope™ 5 Broncho HD 5.0/2.2, Ambu® aScope™ 5 Broncho HD 5.6/2.8, Ambu® aView™ 2…Summary page 6…isualization via a monitor. The endoscope is intended for use in a hospital environment. It is designed for use in adults. Predicate Device 2: K Number: K223299 Trade/Device Name: Ambu® aView™ 2 Advance Indication for Use: The Ambu® aView™ 2 Advance is intended to display li… | 2023 |
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.
- K061313Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · 3 generations back · ◆ in the 2006 ancestors bar of FIG. 16 Class I recalls
- K023984Modification to Olympus Bronchoscopes BF-40 Series, BF-240 Series, and BF-160 SeriesThe Olympus Optical Co. · 2003 · 4 generations back · ◆ in the 2003 ancestors bar of FIG. 114 Class I recalls
What does this lineage say?
- The line of descent spans 34 years and passes through 3 companies; a new generation was cleared every 2.8 years on median.
- 13 of the 45 ancestors have a recall of any class; 2 have a Class I recall.
- 3 other devices also cite its predicate K191080.
How does its category compare?
All EOB devicesEOB Nasopharyngoscope (Flexible Or Rigid): FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.
FDA decisions per year · EOB
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EOB
192in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EOB
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · EOB
1,338in 2025
MAUDE reports naming product code EOB, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 37 | 0 | 1 |
| 2008 | 4 | 38 | 0 | 1 |
| 2009 | 1 | — | 0 | 3 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 4 | 209 | 2 | 3 |
| 2012 | 1 | — | 0 | 4 |
| 2013 | 0 | — | 0 | 5 |
| 2014 | 3 | 282 | 0 | 5 |
| 2015 | 3 | 115 | 0 | 13 |
| 2016 | 3 | 174 | 0 | 16 |
| 2017 | 6 | 216 | 0 | 18 |
| 2018 | 6 | 230 | 0 | 23 |
| 2019 | 8 | 149 | 0 | 51 |
| 2020 | 3 | 175 | 0 | 47 |
| 2021 | 2 | — | 0 | 345 |
| 2022 | 6 | 178 | 1 | 1,158 |
| 2023 | 3 | 107 | 1 | 1,352 |
| 2024 | 2 | — | 0 | 1,498 |
| 2025 | 3 | 192 | 0 | 1,338 |
| 2026 | 5 | 180 | 1 | — |
What is it indicated for?
The Disposable Video Rhinolaryngoscope SP11A is a sterile, single-use, flexible endoscope intended for endoscopic procedures and examination within the nasal lumens and upper airway anatomy. The endoscope is used in conjunction with the Endoscopic Video Processor (Models M110B) to provide the images. The endoscope is intended for use in a hospital environment. It is designed for use in adults.
The Endoscopic Video Processor M110B is used in conjunction with corresponding Wesee endoscopes to process and display images for endoscopic procedure.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K253184 · printed Nov 6, 2026
Cite this page
510(k) Report. “K253184: Video Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope SP11A Endoscopic Video Processor M110B).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253184
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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