Devices descending from K990034
20 later devices reach Wilson-Cook Colonic Z-Stent through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K011591 | Esophageal Z-Stent with Dua Anti-Reflux Valve | Wilson-Cook Medical, Inc. | 2002 | 19 | — |
| +2 | K080782 | Niti-S Esophageal Stent | Taewoong Medical Co., Ltd. | 2009 | 15 | 1 |
| +2 | K080359 | Evolution Esophageal Stent System | Cook Ireland, Ltd. | 2008 | 2 | — |
| +3 | K243619 | Niti-S Esophageal Stent; Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2025 | 0 | — |
| +3 | K223266 | Hilzo Esophageal Stents | Thoracent, Inc. | 2024 | 0 | — |
| +3 | K162717 | Evolution Esophageal Stent System – Partially Covered | Cook Ireland, Ltd. | 2016 | 0 | — |
| +3 | K123205 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2013 | 9 | 1 |
| +3 | K113551 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2012 | 10 | 1 |
| +3 | K093619 | Evolution Esophageal Stent Fully Covered, Models Evo-FC-18-23-8-E, Evo-FC-18-23-10-E… | Cook Ireland, Ltd. | 2010 | 1 | — |
| +3 | K092144 | Bonastent Esophageal, Models BE and Ber, Bonastent Esophageal U.E.S. Flange and Flare… | Endochoice, Inc. | 2010 | 2 | — |
| +4 | K221482 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2022 | 2 | — |
| +4 | K211706 | Esophageal TTS Stent | Taewoong Medical Co., Ltd. | 2021 | 3 | — |
| +4 | K200860 | HANAROSTENT Esophagus TTS (CCC), HANAROSTENT Esophagus TTS (NCN) | M.I.Tech Co., Ltd. | 2020 | 0 | — |
| +4 | K180144 | Agile Esophageal Stent System | Boston Scientific Corporation | 2018 | 3 | — |
| +4 | K140472 | Bonastent Tracheal / Bronchial | Endochoice, Inc. | 2014 | 1 | — |
| +5 | K233837 | Agile Esophageal Stent System | Boston Scientific Corporation | 2024 | 1 | 9 |
| +5 | K240522 | Esophageal TTS Stent | Taewoong Medical | 2024 | 1 | — |
| +5 | K211960 | Agile Esophageal OTW Stent System | Boston Scientific Corporation | 2021 | 2 | — |
| +5 | K201342 | HANAROSTENT Trachea/Bronchium (CCC) | M.I.Tech Co., Ltd. | 2020 | 0 | — |
| +6 | K261978 | WallFlex Esophageal Stent System;Agile Esophageal Over-the-Wire (OTW) Stent System | Boston Scientific Corporation | 2026 | 0 | — |