510(k) Report

510(k) · Cleared

Cleared

Defendo Pentax Single Use Biopsy Valve, Defendo Pentax Single Use Air/Water Valve, Defendo Pentax Single Use Suction Valve, Endogator Pentax Single Use Connector

K232004510(k) TraditionalCleared Mar 6, 2024244-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

Medivators (A Subsidiary of Steris Corporation) · ODC Endoscope Channel Accessory

Cleared on Mar 6, 2024 as substantially equivalent to K102409 (Byrne Medical, Inc., 2010) and 4 other predicates after a 244-day review. Its family tree reaches back 4 generations to 1988.

Decided
Mar 6, 2024
Review
244 days
Class
Class II
Product code
ODC
Recalls
None
Predicates
5

Its longest line of descent runs back 4 generations to K884836 (1988). 10 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2010: 2 other ancestors2009: 1 other ancestor2000: 2 other ancestors1997: 1 other ancestorK884836 · Universal Generator Irrigator Model Ugi-3000 · Meditron Devices, Inc. · 1988K031773 · Endo Gator System · Byrne Medical, Inc. · 2003K092429 · Endogator · Byrne Medical, Inc. · 2009K220395 · EndoGator Endoscopy Irrigation Tubing · STERIS Corporation · 20221990200020102020
Other ancestors, by generation 1 generation back: 3 other ancestors2 generations back: 2 other ancestors3 generations back: 1 other ancestor K220395 · EndoGator Endoscopy Irrigation Tubing · STERIS Corporation · 2022K092429 · Endogator · Byrne Medical, Inc. · 2009K031773 · Endo Gator System · Byrne Medical, Inc. · 2003K884836 · Universal Generator Irrigator Model Ugi-3000 · Meditron Devices, Inc. · 19880
  1. Root · 4 generations backK884836 Universal Generator Irrigator Model Ugi-3000Meditron Devices, Inc. · 1988
  2. 3 generations backK031773 Endo Gator SystemByrne Medical, Inc. · 2003
  3. 2 generations backK092429 EndogatorByrne Medical, Inc. · 2009
  4. 1 generation backK220395 EndoGator Endoscopy Irrigation TubingSTERIS Corporation · 2022
  5. This deviceK232004 Defendo Pentax Single Use Biopsy Valve, Defendo Pentax Single Use…Medivators (A Subsidiary of Steris Corporation) · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K884836Universal Generator Irrigator Model Ugi-3000Meditron Devices, Inc.1988—
−3K031773Endo Gator SystemByrne Medical, Inc.2003—
−2K092429EndogatorByrne Medical, Inc.2009—
−1K220395EndoGator Endoscopy Irrigation TubingSTERIS Corporation2022—
0 (this device)K232004Defendo Pentax Single Use Biopsy Valve, Defendo Pentax Single Use Air/Water…Medivators (A Subsidiary of Steris Corporation)2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
200020
200910
201020
FIG. 1 — Lineage of K232004, 1988–2024Source: 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.

Planning a device in ODC? 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. #1 K232329 Defendo Fujifilm 700 Single Use Biopsy Valve…score 14.1 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (5)

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
*K102409Defendo Disposable Air/Water Valve Model 100304
Summary page 6
…Classification Number: 21 CFR 876.1500 Product Code: ODC 2. Predicate Device(s) Primary predicate is listed first: K102409 - Defendo Disposable Air/Water Valve Model 100304 K102581 - Defendo Disposable Suction Valve Model 100305 K090851 - D…
Byrne Medical, Inc.2010—
*K102581Defendo Disposable Suction Valve Model 100305
Summary page 6
…ct Code: ODC 2. Predicate Device(s) Primary predicate is listed first: K102409 - Defendo Disposable Air/Water Valve Model 100304 K102581 - Defendo Disposable Suction Valve Model 100305 K090851 - Defendo Biopsy Valves K220395 - Endogator Endoscopy Irrigat…
Byrne Medical, Inc.2010—
*K090851Defendo (TM) Biopsy Valve for Olympus (R) and Fujinon (R) Endoscopes, Model 100301…
Summary page 6
…Primary predicate is listed first: K102409 - Defendo Disposable Air/Water Valve Model 100304 K102581 - Defendo Disposable Suction Valve Model 100305 K090851 - Defendo Biopsy Valves K220395 - Endogator Endoscopy Irrigation Tubing 3. Description of Device The Defendo Pent…
Byrne Medical, Inc.2009—
*K220395EndoGator Endoscopy Irrigation Tubing
Summary page 6
…K102409 - Defendo Disposable Air/Water Valve Model 100304 K102581 - Defendo Disposable Suction Valve Model 100305 K090851 - Defendo Biopsy Valves K220395 - Endogator Endoscopy Irrigation Tubing 3. Description of Device The Defendo Pentax Single Use Valves Set, the subject…
STERIS Corporation2022—
*K092429Endogator
Summary page 10
…le Use Connector Feature Comparison Connector (K092429) (Subject Device) The Endogator Intended Use Pentax Connector is…
Byrne Medical, Inc.2009—

Also cleared against K102409: 8 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 36 years and passes through 4 companies; a new generation was cleared every 12.3 years on median.
  • 2 of the 10 ancestors have a recall of any class.
  • 8 other devices also cite its predicate K102409.

How does its category compare?

All ODC devices

ODC Endoscope Channel Accessory: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · ODC

6in 2025

2008: 32009: 12010: 42011: 42012: 22015: 22016: 12017: 12018: 22019: 42020: 42021: 62022: 82023: 72024: 82025: 62026 (partial year): 1
2007high 8 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ODC

106in 2025

2008: 83 days median2010: 67 days median2011: 143 days median2019: 55 days median2020: 128 days median2021: 181 days median2022: 118 days median2023: 126 days median2024: 95 days median2025: 106 days median
2007high 181 (2021) · low 55 (2019)2026

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

Recalls per year · ODC

1so far in 2026, the most since 2007

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

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

Adverse event reports per year · ODC

91in 2025

2012: 12013: 12014: 22015: 32016: 82017: 122018: 172019: 402020: 542021: 522022: 372023: 432024: 1002025: 91
2007high 100 (2024) · low 0 (2007)2025

MAUDE reports naming product code ODC, 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—00
200838300
20091—00
201046700
2011414300
20122—01
20130—01
20140—02
20152—03
20161—08
20171—012
20182—017
2019455040
20204128054
20216181052
20228118037
20237126043
20248950100
20256106091
20261—1—

What is it indicated for?

The Defendo Pentax Single Use Air/Water Valve is intended to be used to control the air/water function on an endoscope during a GI endoscopic procedure. The Defendo Pentax Single Use Suction Valve is intended to be used to control the suction function on an endoscope during a GI endoscopic procedure. The Defendo Pentax Single Use Biopsy Valve is intended for covering the endoscope biopsy port during an endoscopy procedure. The single use Biopsy Valve…

Read the full statement (134 words)

The Defendo Pentax Single Use Air/Water Valve is intended to be used to control the air/water function on an endoscope during a GI endoscopic procedure.

The Defendo Pentax Single Use Suction Valve is intended to be used to control the suction function on an endoscope during a GI endoscopic procedure.

The Defendo Pentax Single Use Biopsy Valve is intended for covering the endoscope biopsy port during an endoscopy procedure. The single use Biopsy Valve provides access for endoscopic device passage and exchange, help maintain sufflation, and minimize leakage of biomaterial from the biopsy port throughout the endoscopic procedure.

The Endogator Pentax Single Use Connector is intended to be used in conjunction with Endogator Irrigation Tubing to provide irrigation via sterile water during GI endoscopic procedures when used with an irrigation pump (or cautery unit).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K232004: Defendo Pentax Single Use Biopsy Valve, Defendo Pentax Single Use Air/Water Valve, Defendo Pentax Single Use Suction Valve, Endogator Pentax Single Use Connector.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K232004

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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