Devices descending from K955778
22 later devices reach Natural-Knee II Unicompartmentalknee System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K033810 | Natural-Knee II Unicompartmental Knee System | Centerpulse Orthopedics, Inc. | 2004 | 20 | 1 |
| +1 | K012800 | Symmetric Unicompartmental Knee System | Whiteside Biomechanics, Inc. | 2002 | 0 | — |
| +2 | K133811 | Restoris Porous Partial Knee System | Mako Surgical Corp. | 2014 | 19 | — |
| +3 | K242307 | ACHIEVE Partial Knee System | Ignite Orthomotion | 2024 | 1 | — |
| +3 | K190633 | NanoOrtho NanoKnee® System | Nanoortho, LLC | 2019 | 0 | — |
| +3 | K190439 | Engage™ Partial Knee System | Engage Uni, LLC | 2019 | 5 | 4 |
| +3 | K163700 | Bodycad Unicompartmental Knee System | Bodycad Laboratories, Inc. | 2017 | 8 | — |
| +3 | K150410 | Restoris Porous Partial Knee System | Mako Surgical Corporation | 2015 | 0 | — |
| +4 | K251975 | Achieve Partial Knee System - Porous Coated CoCrMo Femoral Component | Ignite Orthomotion | 2025 | 0 | — |
| +4 | K230653 | Smith & Nephew, Inc. ANTHEM Total Knee System, Genesis Uni Knee System, JOURNEY BCS and… | Smith & Nephew, Inc. | 2023 | 3 | 1 |
| +4 | K222653 | JOURNEY II UK™ and ENGAGE™ Cementless Partial Knee System | Smith+Nephew, Inc. | 2022 | 0 | — |
| +4 | K203341 | ACS LD Uni FB Knee System | Implantcast GmbH | 2021 | 1 | — |
| +4 | K191996 | BC Reflex Uni Knee System | Bodycad Laboratories, Inc. | 2019 | 3 | — |
| +4 | K191150 | Bodycad Unicompartmental Knee System | Bodycad Laboratories, Inc. | 2019 | 4 | — |
| +4 | K181302 | Bodycad Unicompartmental Knee System | Bodycad Laboratories, Inc. | 2019 | 7 | — |
| +5 | K261462 | LANDMARK Total Knee System | Smith & Nephew, Inc. | 2026 | 0 | — |
| +5 | K260037 | implantcast Packaging System Update | Implantcast GmbH | 2026 | 0 | — |
| +5 | K241260 | ACTIFY™ Unicondylar Knee System | Globus Medical, Inc. | 2024 | 0 | — |
| +5 | K242711 | JOURNEY II Unicompartmental Knee System (JOURNEY II UK) | Smith & Nephew, Inc. | 2024 | 0 | — |
| +5 | K212307 | BC Reflex Uni Knee System | Bodycad Laboratories, Inc. | 2021 | 0 | — |
| +5 | K203697 | BC Reflex Uni Knee System | Bodycad Laboratories, Inc. | 2021 | 2 | — |
| +6 | K211895 | BC Reflex Uni Knee System | Bodycad Laboratories, Inc. | 2021 | 0 | — |