Devices descending from K963241
35 later devices reach Ultraflex through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K121048 | Ultraflex Tracheobronchial Stent System- Sterile Uncovered | Boston Scientific Corp | 2012 | 5 | — |
| +1 | K082284 | Aero Tracheobronchial Stent Technology System | Alveolus, Inc. | 2008 | 11 | — |
| +1 | K062511 | Aero Tracheobronchial Stent System, Model 90129-2XX | Alveolus, Inc. | 2007 | 14 | — |
| +1 | K033990 | Alveolus Inc. TB-STS Tracheobronchial Stent System | Alveolus, Inc. | 2004 | 15 | — |
| +1 | K033053 | Alveolus, TB-STS Tracheobronchial Stent System | Alveolus, Inc. | 2004 | 15 | — |
| +1 | K032744 | Alveolus Inc., TB-STS Tracheobronchial Stent System | Alveolus, Inc. | 2003 | 0 | — |
| +1 | K030947 | Alveolus Inc., TB-STS Tracheobronchial Stent System | Alveolus, Inc. | 2003 | 18 | — |
| +1 | K012883 | Ultraflex Esophageal Stent System, Ultraflex Diamondbiliary Stent System, Ultraflex… | Boston Scientific Corp | 2001 | 21 | 46 |
| +1 | K990221 | Intracoil Peripheral Stent | Intratherapeutics, Inc. | 1999 | 1 | — |
| +2 | K230269 | Ultraflex™ Tracheobronchial Stent System | Boston Scientific Corporation | 2023 | 0 | — |
| +2 | K202204 | Tracheal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2021 | 1 | — |
| +2 | K140382 | Aeromini Tracheobronchial Stent Technology | Merit Medical Systems, Inc. | 2014 | 1 | — |
| +2 | K140472 | Bonastent Tracheal / Bronchial | Endochoice, Inc. | 2014 | 1 | — |
| +2 | K141584 | Ultraflex Tracheobronchial Covered Stent System | Boston Scientific Corporation | 2014 | 1 | 1 |
| +2 | K130004 | Ultraflex Esophageal NG Stent System | Boston Scientific Corporation | 2013 | 2 | — |
| +2 | K092144 | Bonastent Esophageal, Models BE and Ber, Bonastent Esophageal U.E.S. Flange and Flare… | Endochoice, Inc. | 2010 | 2 | — |
| +2 | K083625 | Aero DV Tracheobronchial Stent System | Alveolus, Inc. | 2009 | 6 | — |
| +2 | K072094 | Choostent | M.I.Tech Co., Ltd. | 2008 | 5 | — |
| +2 | K073266 | Wallflex Partially Covered Esophageal Stent System | Boston Scientific Corp | 2008 | 15 | — |
| +2 | K021563 | Intracoil Self-Expanding Peripheral Stent | Sulzer Intratherapeutics, Inc. | 2002 | 0 | — |
| +3 | K233939 | Ultraflex Esophageal NG Stent System; WallFlex Esophageal Stent System | Boston Scientific | 2024 | 1 | 22 |
| +3 | K220424 | Through the Scope Tracheal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2022 | 0 | — |
| +3 | K211960 | Agile Esophageal OTW Stent System | Boston Scientific Corporation | 2021 | 2 | — |
| +3 | K201342 | HANAROSTENT Trachea/Bronchium (CCC) | M.I.Tech Co., Ltd. | 2020 | 0 | — |
| +3 | K182910 | Segmented Esophageal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2019 | 0 | — |
| +3 | K180144 | Agile Esophageal Stent System | Boston Scientific Corporation | 2018 | 3 | — |
| +3 | K181200 | AEROmini Tracheobronchial Stent System | Merit Medical Systems, Inc. | 2018 | 0 | — |
| +3 | K093537 | Hanarostent Esophagus (CCC) | M.I.Tech Co., Ltd. | 2010 | 0 | — |
| +3 | K091510 | Wallflex Esophageal Fully Covered Stent System, Models M00516700, M00516710, M00516720… | Boston Scientific Corporation | 2009 | 14 | — |
| +4 | K261978 | WallFlex Esophageal Stent System;Agile Esophageal Over-the-Wire (OTW) Stent System | Boston Scientific Corporation | 2026 | 0 | — |
| +4 | K233837 | Agile Esophageal Stent System | Boston Scientific Corporation | 2024 | 1 | 9 |
| +4 | K172813 | Esophageal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2018 | 3 | — |
| +5 | K201160 | HANAROSTENT Esophagus (CCC), HANAROSTENT Esophagus (NCN) | M.I.Tech Co., Ltd. | 2021 | 2 | — |
| +6 | K253327 | HANAROSTENT Esophagus Upper (CCC) | M.I.Tech Co., Ltd. | 2025 | 0 | — |
| +6 | K213251 | HANAROSTENT Esophagus Asymmetric (CCC) | M.I.Tech Co., Ltd. | 2021 | 0 | — |