510(k) · Cleared
ClearedAuxiliary Water Tube Maj-855
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Olympus Medical Systems Corporation · OCX Endoscopic Irrigation/Suction System
Cleared on Sep 26, 2025 as substantially equivalent to K220395 (STERIS Corporation, 2022) and 1 other predicate after a 91-day review. Its family tree reaches back 10 generations to 1993. 3 of the 38 devices in its family, counting itself, have a Class I recall.
- Decided
- Sep 26, 2025
- Review
- 91 days
- Class
- Class II
- Product code
- OCX
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 10 generations to K931154 (1993). 37 ancestors in all, the oldest K843084 (1985). No later device cites it as a predicate yet. 3 of the 38 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 backK232997 EVIS Exera III Gastrointestinal Videoscope GIF-1TH190Olympus Medical Systems Corporation · 2024 · Recalled
- This deviceK251986 Auxiliary Water Tube Maj-855Olympus Medical Systems Corporation · 2025
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 backK232997 EVIS Exera III Gastrointestinal Videoscope GIF-1TH190Olympus Medical Systems Corporation · 2024 · Recalled
- This deviceK251986 Auxiliary Water Tube Maj-855Olympus Medical Systems Corporation · 2025
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 | K232997 | EVIS Exera III Gastrointestinal Videoscope GIF-1TH190 | Olympus Medical Systems Corporation | 2024 | 2 |
| 0 (this device) | K251986 | Auxiliary Water Tube Maj-855 | Olympus Medical Systems Corporation | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1988 | 1 | 0 |
| 1991 | 2 | 1 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2009 | 1 | 0 |
| 2022 | 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 OCX device
- #1 K251997 Single-Use Biopsy Valve (MAJ-1555)score 11.0 · 4 generations · 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 |
|---|---|---|---|
| * | K220395 | EndoGator Endoscopy Irrigation TubingSummary page 5…876.1500 Product Code(s) OCX | Legally Marketed Predicate Devices 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K220395 Endogator Endoscopy Irrigation Tubing & Accessories FEQ K232997 EVIS EXERA Il GIF-1TH190 (Auxiliary Water Tube MAJ-855) FET Devic… | 2022 |
| * | K232997 | EVIS Exera III Gastrointestinal Videoscope GIF-1TH190Summary page 5…ces 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K220395 Endogator Endoscopy Irrigation Tubing & Accessories FEQ K232997 EVIS EXERA Il GIF-1TH190 (Auxiliary Water Tube MAJ-855) FET Device Description Summary 21 CFR 807.92(a)(4) The Auxiliary Water T… | 2024 |
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 32 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
- 19 of the 37 ancestors have a recall of any class; 3 have a Class I recall.
- 3 other devices also cite its predicate K220395.
How does its category compare?
All OCX devicesOCX Endoscopic Irrigation/Suction System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · OCX
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · OCX
178in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OCX
2in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · OCX
33in 2025
MAUDE reports naming product code OCX, 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 | 0 | — | 0 | 1 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 3 | 51 | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 4 | 256 | 0 | 1 |
| 2013 | 3 | 106 | 0 | 1 |
| 2014 | 6 | 77 | 0 | 5 |
| 2015 | 2 | — | 1 | 9 |
| 2016 | 2 | — | 0 | 8 |
| 2017 | 0 | — | 0 | 9 |
| 2018 | 5 | 60 | 0 | 18 |
| 2019 | 8 | 133 | 0 | 41 |
| 2020 | 4 | 88 | 11 | 11 |
| 2021 | 3 | 233 | 0 | 8 |
| 2022 | 6 | 84 | 2 | 18 |
| 2023 | 7 | 109 | 0 | 46 |
| 2024 | 4 | 74 | 0 | 21 |
| 2025 | 4 | 178 | 0 | 33 |
| 2026 | 0 | — | 2 | — |
What is it indicated for?
The AUXILIARY WATER TUBE MAJ-855 is intended to be used to provide sterile water, detergent solution, disinfectant solution, water, and alcohol for irrigation through the auxiliary water channel of compatible endoscopes.
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/K251986 · printed Nov 6, 2026
Cite this page
510(k) Report. “K251986: Auxiliary Water Tube Maj-855.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K251986
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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