Devices descending from K904448
20 later devices reach Townley Total Knee (TTK) through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K153657 | Vanguard XP Knee System | Biomet, Inc. | 2016 | 1 | 1 |
| +1 | K143635 | KINETIS Total Knee System | Mako Surgical | 2015 | 0 | — |
| +1 | K141471 | Journey II XR Knee System | Smith & Nephew, Inc. | 2014 | 12 | — |
| +1 | K141407 | Vanguard XP Femoral Component (Gen II)/Vanguard XP Femoral Trial | Biomet, Inc. | 2014 | 2 | 1 |
| +1 | K132873 | Vanguard XP Knee System | Biomet, Inc. | 2013 | 3 | 22 |
| +1 | K122160 | Vanguard XP Knee System | Biomet Manufacturing Corp | 2013 | 6 | 12 |
| +2 | K190068 | Vanguard XP Knee System | Zimmer, Inc. | 2019 | 0 | — |
| +2 | K173331 | JOURNEY II XR Knee Instruments | Smith & Nephew, Inc. | 2017 | 1 | 4 |
| +2 | K152315 | JOURNEY II Uni Tibial Base and Insert | Smith & Nephew, Inc. | 2015 | 8 | — |
| +2 | K152726 | JOURNEY II XR Knee System | Smith & Nephew, Inc. | 2015 | 4 | — |
| +2 | K140257 | Signature Planner, Signature Guides | Materialise NV | 2014 | 0 | — |
| +3 | K230653 | Smith & Nephew, Inc. ANTHEM Total Knee System, Genesis Uni Knee System, JOURNEY BCS and… | Smith & Nephew, Inc. | 2023 | 3 | 1 |
| +3 | K200227 | Journey II XR Knee Instrument | Smith & Nephew, Inc. | 2020 | 0 | — |
| +3 | K190085 | Journey II Unicompartmental Knee System | Smith & Nephew, Inc. | 2019 | 7 | 3 |
| +4 | K261462 | LANDMARK Total Knee System | Smith & Nephew, Inc. | 2026 | 0 | — |
| +4 | K241260 | ACTIFY™ Unicondylar Knee System | Globus Medical, Inc. | 2024 | 0 | — |
| +4 | K242711 | JOURNEY II Unicompartmental Knee System (JOURNEY II UK) | Smith & Nephew, Inc. | 2024 | 0 | — |
| +4 | K232114 | TRIBRID® Unicompartmental Knee System | Kyocera Medical Technologies, Inc. | 2024 | 0 | — |
| +4 | K222653 | JOURNEY II UK™ and ENGAGE™ Cementless Partial Knee System | Smith+Nephew, Inc. | 2022 | 0 | — |
| +4 | K191211 | JOURNEY II Unicompartmental Knee System | Smith & Nephew, Inc. | 2019 | 1 | — |