510(k) Report

510(k) · Cleared

Cleared

DEFENDO Bronchoscopy Suction Valve

K151522510(k) TraditionalCleared Sep 17, 2015104-day reviewClass II21 CFR 874.4680

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Medivators, Inc. · KTI Bronchoscope Accessory

Cleared on Sep 17, 2015 as substantially equivalent to K920025 (Olympus Corp., 1992) and 1 other predicate after a 104-day review. Its family tree reaches back 2 generations to 2000.

Decided
Sep 17, 2015
Review
104 days
Class
Class II
Product code
KTI
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K001241 (2000). 3 ancestors in all, the oldest K920025 (1992). No later device cites it as a predicate yet.

  1. Root · 2 generations backK001241 Evis Exera Colonovideoscope CF-Q160 AL/I and PCF-160 AL/IThe Olympus Optical Co. · 2000 · Recalled
  2. 1 generation backK102581 Defendo Disposable Suction Valve Model 100305Byrne Medical, Inc. · 2010
  3. This deviceK151522 DEFENDO Bronchoscopy Suction ValveMedivators, Inc. · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K001241Evis Exera Colonovideoscope CF-Q160 AL/I and PCF-160 AL/IThe Olympus Optical Co.20001
−1K102581Defendo Disposable Suction Valve Model 100305Byrne Medical, Inc.2010—
0 (this device)K151522DEFENDO Bronchoscopy Suction ValveMedivators, Inc.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
FIG. 1 — Lineage of K151522, 2000–2015Source: 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 KTI? 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 KTI device

  1. #1 K261274 EchoTip Ultra® Endobronchial HD Ultrasound…score 15.0 · 12 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K920025Olympus Disposable Suction Valve
Summary page 5
…Suction Valve is equivalent in function, intended use and scientific technology to its predicate devices - Olympus Disposable Suction Valve cleared under 510(k) – K920025 and Defendo Disposable Suction Valve cleared under 510(k) – K102581. Similarities between Subject and Predicate Devices - Sub…
Olympus Corp.19921
*K102581Defendo Disposable Suction Valve Model 100305
Summary page 5
…c technology to its predicate devices - Olympus Disposable Suction Valve cleared under 510(k) – K920025 and Defendo Disposable Suction Valve cleared under 510(k) – K102581. Similarities between Subject and Predicate Devices - Subject and predicate devices have similar intended use, principle o…
Byrne Medical, Inc.2010—

Also cleared against K920025: 1 other device →

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 15 years and passes through 3 companies; a new generation was cleared every 10.5 years on median.
  • 2 of the 3 ancestors have a recall of any class.
  • 1 other device also cites its predicate K920025.

How does its category compare?

All KTI devices

KTI Bronchoscope Accessory: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · KTI

5in 2025

2008: 12009: 12011: 12015: 22016: 32017: 32018: 12019: 12020: 12021: 12022: 32023: 42025: 52026 (partial year): 3
2007high 5 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KTI

61in 2025

2016: 140 days median2017: 115 days median2022: 137 days median2023: 168 days median2025: 61 days median2026 (partial year): 98 days median
2007high 168 (2023) · low 61 (2025)2026

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

Recalls per year · KTI

1in 2018

2012: 12018: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · KTI

198in 2025

2007: 32008: 112009: 92010: 82011: 172012: 122013: 72014: 42015: 22016: 72017: 92018: 142019: 272020: 372021: 472022: 1312023: 1302024: 1492025: 198
2007high 198 (2025) · low 2 (2015)2025

MAUDE reports naming product code KTI, 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—03
20081—011
20091—09
20100—08
20111—017
20120—112
20130—07
20140—04
20152—02
2016314007
2017311509
20181—114
20191—027
20201—037
20211—047
202231370131
202341680130
20240—0149
20255610198
20263980—

What is it indicated for?

The DEFENDO Disposable Suction Valve is intended to be used to control the suction function of a compatible bronchoscope during a pulmonary procedure.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K151522: DEFENDO Bronchoscopy Suction Valve.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K151522

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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