Devices descending from K180750
10 later devices reach World Knee System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K241690 | Logical Liner; World Liner; World Knee Patella | Signature Orthopaedics Pty, Ltd. | 2024 | 2 | — |
| +1 | K220737 | World Knee Vit-E All-poly Tibial Inserts (CR, PS and UC), World Knee Vit-E Meniscal… | Signature Orthopaedics Pty, Ltd. | 2022 | 4 | — |
| +1 | K190577 | World Knee Total Knee Systems | Signature Orthopaedics Pty, Ltd. | 2019 | 5 | — |
| +1 | K181338 | Imboki Knee Instrument System | Signature Orthopaedics Pty, Ltd. | 2019 | 0 | — |
| +2 | K252824 | Evolve AP Cup, World Finned Cup, World G-Zero Liner and Oddball Femoral Head | Signature Orthopaedics Pty, Ltd. | 2026 | 0 | — |
| +2 | K253239 | Active-V Total Knee System; World Total Knee System | Signature Orthopaedics Pty, Ltd. | 2025 | 0 | — |
| +2 | K243162 | World Liner | Signature Orthopaedics Pty, Ltd. | 2024 | 0 | — |
| +2 | K240683 | Rx Knee System | Signature Orthopaedics Pty, Ltd. | 2024 | 2 | — |
| +3 | K260063 | GSPE Spacer | The General Hospital Corporation, d/b/a Massachusetts | 2026 | 0 | — |
| +3 | K261734 | Klassic Infection Spacer System | Total Joint Orthopedics, Inc. | 2026 | 0 | — |