Devices descending from K121048
5 later devices reach Ultraflex Tracheobronchial Stent System- Sterile Uncovered through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K230269 | Ultraflex™ Tracheobronchial Stent System | Boston Scientific Corporation | 2023 | 0 | — |
| +1 | K141584 | Ultraflex Tracheobronchial Covered Stent System | Boston Scientific Corporation | 2014 | 1 | 1 |
| +1 | K130004 | Ultraflex Esophageal NG Stent System | Boston Scientific Corporation | 2013 | 2 | — |
| +2 | K233939 | Ultraflex Esophageal NG Stent System; WallFlex Esophageal Stent System | Boston Scientific | 2024 | 1 | 22 |
| +3 | K261978 | WallFlex Esophageal Stent System;Agile Esophageal Over-the-Wire (OTW) Stent System | Boston Scientific Corporation | 2026 | 0 | — |