510(k) · Cleared
ClearedDisposable Endoscope Valves System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Changzhou Endoclean Medical Device Co., Ltd. · ODC Endoscope Channel Accessory
Cleared on Nov 29, 2023 as substantially equivalent to K131780 (Olympus Medical Systems Corp., 2013) after a 124-day review. Its family tree reaches back 10 generations to 1993. 3 of the 32 devices in its family, counting itself, have a Class I recall.
- Decided
- Nov 29, 2023
- Review
- 124 days
- Class
- Class II
- Product code
- ODC
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 10 generations to K931154 (1993). 31 ancestors in all, the oldest K843084 (1985). No later device cites it as a predicate yet. 3 of the 32 devices in this family, counting this one, have a Class I recall.
- Root · 10 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
- 6 generations between
- 3 generations backK100584 Evis Exeraii 180 SystemOlympus Medical Systems Corporation · 2010 · Recalled
- 2 generations backK112680 Evis Exera Iii Video SystemOlympus Medical Systems Corporation · 2012 · Recalled
- 1 generation backK131780 Evis Exera Iii Video SystemOlympus Medical Systems Corp. · 2013 · Recalled
- This deviceK232244 Disposable Endoscope Valves SystemChangzhou Endoclean Medical Device Co., Ltd. · 2023
Show all 10 generations
- Root · 10 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
- 9 generations backK963033 BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc. · 1996 · Recalled
- 8 generations backK981543 Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories…The Olympus Optical Co. · 1998 · Recalled
- 7 generations backK013591 Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary…Olympus Optical Co., Ltd. · 2001
- 6 generations backK021073 Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc. · 2002
- 5 generations backK031648 Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd. · 2003
- 4 generations backK061313 Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · Recalled (Class I)
- 3 generations backK100584 Evis Exeraii 180 SystemOlympus Medical Systems Corporation · 2010 · Recalled
- 2 generations backK112680 Evis Exera Iii Video SystemOlympus Medical Systems Corporation · 2012 · Recalled
- 1 generation backK131780 Evis Exera Iii Video SystemOlympus Medical Systems Corp. · 2013 · Recalled
- This deviceK232244 Disposable Endoscope Valves SystemChangzhou Endoclean Medical Device Co., Ltd. · 2023
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −10 | K931154 | Evis 200 System | Olympus Corp. | 1993 | — |
| −9 | K963033 | BF 240/P240/IT240 Bronchovideoscope & Accessories | Olympus America, Inc. | 1996 | 6 |
| −8 | K981543 | Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and… | The Olympus Optical Co. | 1998 | 5 |
| −7 | K013591 | Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary Equipment | Olympus Optical Co., Ltd. | 2001 | — |
| −6 | K021073 | Visera Rhinlaryngovideoscope Olympus Enf Type V | Olympus America, Inc. | 2002 | — |
| −5 | K031648 | Visera Rhino-Laryngovideoscope Olympus Enf Type V | Olympus Optical Co., Ltd. | 2003 | — |
| −4 | K061313 | Evis Exera 180 System | Olympus Medical Systems Corporation | 2006 | Class I |
| −3 | K100584 | Evis Exeraii 180 System | Olympus Medical Systems Corporation | 2010 | 9 |
| −2 | K112680 | Evis Exera Iii Video System | Olympus Medical Systems Corporation | 2012 | 6 |
| −1 | K131780 | Evis Exera Iii Video System | Olympus Medical Systems Corp. | 2013 | 8 |
| 0 (this device) | K232244 | Disposable Endoscope Valves System | Changzhou Endoclean Medical Device Co., Ltd. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1991 | 2 | 1 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 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.
3 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 ODC device
- #1 K232329 Defendo Fujifilm 700 Single Use Biopsy Valve…score 14.0 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K131780 | Evis Exera Iii Video SystemSummary page 5…00 Regulatory Class: Class II Product code: ODC Review Panel: Gastroenterology/Urology III. Predicate Devices 510(k) Number: K131780 Trade name: EVIS EXERA III VIDEO SYSTEM Common name: Endoscope Channel Accessory Classification:… | 2013 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (3 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 · 4 generations back · ◆ on the line of descent in FIG. 16 Class I recalls
- 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 30 years and passes through 7 companies; a new generation was cleared every 2.9 years on median.
- 18 of the 31 ancestors have a recall of any class; 3 have a Class I recall.
- 3 other devices also cite its predicate K131780.
How does its category compare?
All ODC devicesODC Endoscope Channel Accessory: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · ODC
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ODC
106in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ODC
1so far in 2026, the most since 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ODC
91in 2025
MAUDE reports naming product code ODC, 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 | 0 | — | 0 | 0 |
| 2008 | 3 | 83 | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 4 | 67 | 0 | 0 |
| 2011 | 4 | 143 | 0 | 0 |
| 2012 | 2 | — | 0 | 1 |
| 2013 | 0 | — | 0 | 1 |
| 2014 | 0 | — | 0 | 2 |
| 2015 | 2 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 8 |
| 2017 | 1 | — | 0 | 12 |
| 2018 | 2 | — | 0 | 17 |
| 2019 | 4 | 55 | 0 | 40 |
| 2020 | 4 | 128 | 0 | 54 |
| 2021 | 6 | 181 | 0 | 52 |
| 2022 | 8 | 118 | 0 | 37 |
| 2023 | 7 | 126 | 0 | 43 |
| 2024 | 8 | 95 | 0 | 100 |
| 2025 | 6 | 106 | 0 | 91 |
| 2026 | 1 | — | 1 | — |
What is it indicated for?
The Disposable Endoscope Valves System includes an air/water valve, a suction valve, a biopsy valve, a water connector, AW channel cleaning Adapter and suction cleaning adapter Disposable Biopsy Valve, it is intended to be fitted to an endoscope biopsy port to enable access for/exchange of endoscopic devices while maintaining insufflation and minimizing leakage of bio material during an endoscopic procedure. Disposable Air/Water Valve, it is intended to…
Read the full statement (200 words)
The Disposable Endoscope Valves System includes an air/water valve, a suction valve, a biopsy valve, a water connector, AW channel cleaning Adapter and suction cleaning adapter
Disposable Biopsy Valve, it is intended to be fitted to an endoscope biopsy port to enable access for/exchange of endoscopic devices while maintaining insufflation and minimizing leakage of bio material during an endoscopic procedure.
Disposable Air/Water Valve, it is intended to be fitted to an endoscope Air/water channel to enable the operator to control inflow of medical gases and water.
Disposable Suction Valve, it is intended to be fitted to an endoscope suction channel to enable the operator to control suction.
Water Jet Connector, it is intended to prevent liquid backflow when providing sterile water to the endoscope during endoscopic surgery.
Disposable AW Channel Cleaning Adapter, it is attached to the air/water cylinder of the endoscope, used for the air water channel pre-cleaning after the procedure.
Disposable Suction Cleaning Adapter also as one of accessories of the pre-cleaning endoscopic irrigation. The one end can be connected to the biopsy channel, the other end be connected to the water container. It is used to aspirate reprocessing fluids through the instrument channel port of the endoscope.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K232244 · printed Nov 6, 2026
Cite this page
510(k) Report. “K232244: Disposable Endoscope Valves System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K232244
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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