Devices descending from K925406
35 later devices reach Biliary Endoprostheses W/Unistep Delivery System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K081956 | Medinol X-Suit Nir Biliary Metallic Stent | Medinol, Ltd. | 2009 | 0 | — |
| +1 | K061231 | Wellflex Biliary RX Stent System | Boston Scientific Corp | 2006 | 10 | — |
| +1 | K962899 | Ultraflex Diamond | Boston Scientific Corp | 1997 | 22 | — |
| +2 | K121430 | Evolution Biliary Stent System | Cook Ireland, Ltd. | 2013 | 0 | — |
| +2 | K122072 | Wallflextm Biliary RX Stent System (Uncovered, Partially Covered, and Fully Covered)… | Boston Scientific Corporation | 2012 | 4 | — |
| +2 | K112543 | Wallflex Biliary Transhepatic Uncovered Stent System, Wallflex Biliary Transhepatic… | Boston Scientific Corporation | 2011 | 5 | — |
| +2 | K083374 | Wallflex Biliary RX Partially-Covered Stent System | Boston Scientific Corp | 2009 | 6 | — |
| +2 | K083627 | Wallflex Biliary RX Fully-Covered Stent System, Model M00570500,M00570510, M00570520… | Boston Scientific Corporation | 2009 | 6 | — |
| +2 | K081733 | 10MM X 40MM Uncovered Wallflex Billiary RX Stent System, Model M00570890 | Boston Scientific Corp | 2008 | 7 | — |
| +2 | K012883 | Ultraflex Esophageal Stent System, Ultraflex Diamondbiliary Stent System, Ultraflex… | Boston Scientific Corp | 2001 | 21 | 46 |
| +3 | K140630 | Wallflex Biliary RX Stent System | Boston Scientific | 2014 | 3 | 1 |
| +3 | K121048 | Ultraflex Tracheobronchial Stent System- Sterile Uncovered | Boston Scientific Corp | 2012 | 5 | — |
| +3 | K092144 | Bonastent Esophageal, Models BE and Ber, Bonastent Esophageal U.E.S. Flange and Flare… | Endochoice, Inc. | 2010 | 2 | — |
| +3 | K072094 | Choostent | M.I.Tech Co., Ltd. | 2008 | 5 | — |
| +3 | K073266 | Wallflex Partially Covered Esophageal Stent System | Boston Scientific Corp | 2008 | 15 | — |
| +4 | K240464 | WallFlex Biliary RX Stent System; Epic Biliary Stent System; WallFlex Biliary RX Fully… | Boston Scientific | 2024 | 1 | — |
| +4 | K230269 | Ultraflex™ Tracheobronchial Stent System | Boston Scientific Corporation | 2023 | 0 | — |
| +4 | K223469 | WallFlex™ Biliary RX Stent System | Boston Scientific Corporation | 2023 | 1 | — |
| +4 | K211960 | Agile Esophageal OTW Stent System | Boston Scientific Corporation | 2021 | 2 | — |
| +4 | K182910 | Segmented Esophageal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2019 | 0 | — |
| +4 | K180144 | Agile Esophageal Stent System | Boston Scientific Corporation | 2018 | 3 | — |
| +4 | K140472 | Bonastent Tracheal / Bronchial | Endochoice, Inc. | 2014 | 1 | — |
| +4 | K141584 | Ultraflex Tracheobronchial Covered Stent System | Boston Scientific Corporation | 2014 | 1 | 1 |
| +4 | K130004 | Ultraflex Esophageal NG Stent System | Boston Scientific Corporation | 2013 | 2 | — |
| +4 | K093537 | Hanarostent Esophagus (CCC) | M.I.Tech Co., Ltd. | 2010 | 0 | — |
| +4 | K091510 | Wallflex Esophageal Fully Covered Stent System, Models M00516700, M00516710, M00516720… | Boston Scientific Corporation | 2009 | 14 | — |
| +5 | K242950 | WallFlex Biliary PLUS RX Stent System | Boston Scientific | 2024 | 0 | — |
| +5 | K233939 | Ultraflex Esophageal NG Stent System; WallFlex Esophageal Stent System | Boston Scientific | 2024 | 1 | 22 |
| +5 | K233837 | Agile Esophageal Stent System | Boston Scientific Corporation | 2024 | 1 | 9 |
| +5 | K201342 | HANAROSTENT Trachea/Bronchium (CCC) | M.I.Tech Co., Ltd. | 2020 | 0 | — |
| +5 | K172813 | Esophageal Stent System | Micro-Tech (Nanjing) Co., Ltd. | 2018 | 3 | — |
| +6 | K261978 | WallFlex Esophageal Stent System;Agile Esophageal Over-the-Wire (OTW) Stent System | Boston Scientific Corporation | 2026 | 0 | — |
| +6 | K201160 | HANAROSTENT Esophagus (CCC), HANAROSTENT Esophagus (NCN) | M.I.Tech Co., Ltd. | 2021 | 2 | — |
| +7 | K253327 | HANAROSTENT Esophagus Upper (CCC) | M.I.Tech Co., Ltd. | 2025 | 0 | — |
| +7 | K213251 | HANAROSTENT Esophagus Asymmetric (CCC) | M.I.Tech Co., Ltd. | 2021 | 0 | — |