510(k) Report

510(k) · Cleared

Cleared

Cook Ireland Echobrush

K052279510(k) TraditionalCleared Oct 11, 200550-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

Cook Ireland, Ltd. · FDX Endoscopic Cytology Brush

Cleared on Oct 11, 2005 as substantially equivalent to K934356 (Wilson-Cook Medical, Inc., 1994) and 1 other predicate after a 50-day review. Its family tree reaches back 2 generations to 1990.

Decided
Oct 11, 2005
Review
50 days
Class
Class II
Product code
FDX
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K896318 (1990). 3 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1994: 1 other ancestorK896318 · Wilson-Cook Cytology Brushes · Wilson-Cook Medical, Inc. · 1990K040324 · Wilson-Cook Double Lumen Biliary Cytology Brush · Wilson-Cook Medical, Inc. · 20041990199520002005
Other ancestors, by generation 1 generation back: 1 other ancestor K040324 · Wilson-Cook Double Lumen Biliary Cytology Brush · Wilson-Cook Medical, Inc. · 2004K896318 · Wilson-Cook Cytology Brushes · Wilson-Cook Medical, Inc. · 19900
  1. Root · 2 generations backK896318 Wilson-Cook Cytology BrushesWilson-Cook Medical, Inc. · 1990
  2. 1 generation backK040324 Wilson-Cook Double Lumen Biliary Cytology BrushWilson-Cook Medical, Inc. · 2004
  3. This deviceK052279 Cook Ireland EchobrushCook Ireland, Ltd. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K896318Wilson-Cook Cytology BrushesWilson-Cook Medical, Inc.1990—
−1K040324Wilson-Cook Double Lumen Biliary Cytology BrushWilson-Cook Medical, Inc.2004—
0 (this device)K052279Cook Ireland EchobrushCook Ireland, Ltd.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
FIG. 1 — Lineage of K052279, 1990–2005Source: 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 FDX? 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 FDX device

  1. #1 K250993 Single Use Cytology Brush V (BC-V600P-3010)score 11.7 · 5 generations · no Class I recall
  2. #2 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
*K934356Wilson-Cook GI Aspiration Needle
Summary page 1
…, For Endoscope 21 CFR§ 876.1500, IFDX Predicate Device: Wilson-Cook GI Aspiration Needle, K934356 Wilson-Cook Biliary Cytology Brush, K040324 Intended Use:…
Wilson-Cook Medical, Inc.1994—
*K040324Wilson-Cook Double Lumen Biliary Cytology Brush
Summary page 1
…icate Device: Wilson-Cook GI Aspiration Needle, K934356 Wilson-Cook Biliary Cytology Brush, K040324 Intended Use: The EchoBrush TM is used to sample targeted…
Wilson-Cook Medical, Inc.2004—

Also cleared against K934356: 5 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 15 years and passes through 2 companies; a new generation was cleared every 14.1 years on median.
  • None of the 3 ancestors has a recall.
  • 5 other devices also cite its predicate K934356.

How does its category compare?

All FDX devices

FDX Endoscopic Cytology Brush: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FDX

1in 2025

2010: 12015: 12017: 22018: 12019: 42022: 12025: 1
2007high 4 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FDX

144in 2019

2019: 144 days median
2007high 144 (2019)2026

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

Recalls per year · FDX

2in 2022

2021: 12022: 2
2007high 2 (2022) · low 0 (2007)2026

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

Adverse event reports per year · FDX

11in 2025

2007: 62008: 142009: 372010: 372011: 362012: 282013: 452014: 612015: 622016: 452017: 442018: 482019: 672020: 132021: 192022: 172023: 172024: 202025: 11
2007high 67 (2019) · low 6 (2007)2025

MAUDE reports naming product code FDX, 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—06
20080—014
20090—037
20101—037
20110—036
20120—028
20130—045
20140—061
20151—062
20160—045
20172—044
20181—048
20194144067
20200—013
20210—119
20221—217
20230—017
20240—020
20251—011
20260—0—

What is it indicated for?

The EchoBrush TM is used to sample targeted submucosal gastrointestinal lesions through

the accessory channel of an ultrasound endoscope.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K052279: Cook Ireland Echobrush.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K052279

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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