# K171607: Bronchi and Gastrointestinal Cytology Brush

- Pathway: 510(k) (Traditional)
- Applicant: Wilson-Cook Medical Inc./Cook Endoscopy
- Decided: Jul 31, 2017 after 60 days
- Product code: FDX (Endoscopic Cytology Brush)
- Device class: 2
- Regulation: 21 CFR 876.1500
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K896318 (1990). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K896318: Wilson-Cook Cytology Brushes, Wilson-Cook Medical, Inc. (1990) Summary page 4.

## Indications for use
This device is used to collect cells from the bronchi or upper and lower gastrointestinal tracts.

Source page: https://510kreport.com/device/K171607
Methodology: https://510kreport.com/methodology