Devices descending from K161569
11 later devices reach Trident® II Tritanium® Acetabular Shells and 6.5 mm Low Profile Hex Screws through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K171768 | Trident® II Acetabular System | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2017 | 10 | 12 |
| +2 | K222632 | UHR Bipolar Implants, Restoration GAP II Implants | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2022 | 5 | — |
| +2 | K220731 | Insignia Hip Stem, Restoration Modular 115mm Conical Distal Stem | Stryker | 2022 | 6 | — |
| +2 | K191358 | Trident II Acetabular System | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2019 | 6 | — |
| +3 | K261624 | Omnifit® 20° Series I Insert;Omnifit® Crossfire® 10° Series II Insert; Constrained… | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2026 | 0 | 2 |
| +3 | K250375 | Allure Hip Stem and Intramedullary Plugs | Waldemar Link GmbH & Co. KG | 2025 | 0 | — |
| +3 | K233498 | Stryker Orthopaedics Hip Systems Labeling Update | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2023 | 4 | — |
| +3 | K220376 | Acetabular Dome Hole Plug | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2022 | 5 | — |
| +4 | K250989 | Stryker and Serf hip devices | Howmedica Osteonics Corp (Dba Stryker Orthopaedics) | 2025 | 0 | — |
| +4 | K243784 | Stryker Orthopaedics Hip Devices Labeling Update | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2025 | 2 | — |
| +4 | K240418 | Stryker Orthopaedics Hip Systems Labeling Update | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2024 | 0 | — |