Devices descending from K040324
5 later devices reach Wilson-Cook Double Lumen Biliary Cytology Brush through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K171573 | Fusion Cytology Brush, CytoMax II Double Lumen Cytology Brush | Wilson-Cook Medical, Inc. | 2017 | 3 | — |
| +1 | K052279 | Cook Ireland Echobrush | Cook Ireland, Ltd. | 2005 | 0 | — |
| +2 | K192908 | Fusion Cytology Brush, CytoMax II Double Lumen Cytology Brushes | Wilson-Cook Medical, Inc. | 2019 | 1 | — |
| +2 | K181317 | Fusion Cytology Brush, CytoMax II Double Lumen Cytology Brush | Wilson-Cook Medical, Inc. | 2019 | 2 | — |
| +3 | K250993 | Single Use Cytology Brush V (BC-V600P-3010) | Olympus Medical Systems Corporation | 2025 | 0 | — |