Devices descending from K991581
348 later devices reach Nexgen Complete Knee Solution Legacy Posterior Stabilized (LPS); LPS-Flex… through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +6 | K230952 | Triathlon® Total Knee System - Triathlon® Pro Posterior Stabilized (PS) Femoral Component | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2023 | 4 | — |
| +6 | K230416 | Triathlon® Hinge Knee System; Triathlon® Revision Insert X3® | Stryker | 2023 | 3 | — |
| +6 | K223528 | Triathlon® Hinge Knee System | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2023 | 4 | 1 |
| +6 | K222653 | JOURNEY II UK™ and ENGAGE™ Cementless Partial Knee System | Smith+Nephew, Inc. | 2022 | 0 | — |
| +6 | K220792 | SMR Reverse Liner | Lima Corporate S.P.A. | 2022 | 7 | — |
| +6 | K220049 | Optimotion Implants Porous Metal-Backed Patella | Optimotion Implants, LLC | 2022 | 0 | — |
| +6 | K212941 | Porous Patella | Encore Medical, L.P. Dba Djo Surgical | 2022 | 1 | 1 |
| +6 | K213781 | ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DP | Depuy Ireland UC | 2022 | 0 | 1 |
| +6 | K203421 | Triathlon AS-1 | Conformis, Inc. | 2021 | 0 | — |
| +6 | K203099 | Triathlon PKR System | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2020 | 1 | — |
| +6 | K201023 | iTotal® Identity Posterior Stabilized Knee Replacement System | Conformis, Inc. | 2020 | 14 | — |
| +6 | K200782 | Triathlon Posterior Stabilized Femoral Component - beaded with Peri-Apatite, Triathlon… | Howmedica Osteonics Corp. | 2020 | 0 | — |
| +6 | K200395 | LOSPA II Knee System (EXULT Knee Replacement System) | Corentec Co., Ltd. | 2020 | 2 | — |
| +6 | K193105 | iUni Unicondylar Knee Replacement System, iDuo Bicompartmental Knee Repair System… | Conformis, Inc. | 2020 | 15 | — |
| +6 | K190991 | Triathlon Tritanium Central Femoral Cone Augment, Triathlon Femoral Distal Augment | Howmedica Osteonics Corp. (Aka Stryker Orthopaedics) | 2019 | 0 | 4 |
| +6 | K190562 | iTotal Identity Cruciate Retaining Knee Replacement System | Conformis, Inc. | 2019 | 15 | — |
| +6 | K191211 | JOURNEY II Unicompartmental Knee System | Smith & Nephew, Inc. | 2019 | 1 | — |
| +6 | K181061 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2018 | 1 | — |
| +6 | K180612 | Triathlon PKR X3 Tibial Inserts, Mako X3 Uni Onlay Tibial Inserts | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2018 | 3 | — |
| +6 | K173849 | Triathlon Total Knee System | Stryker Orthopaedics | 2018 | 14 | 3 |
| +6 | K150241 | Genesis II XLPE Resurfacing Patellar Components | Smith & Nephew, Inc. | 2015 | 0 | — |
| +7 | K252777 | Freedom Metaphyseal Cone Implants (Metaphyseal Cones) | Maxx Orthopedics, Inc. | 2025 | 0 | — |
| +7 | K253314 | Freedom Infinia™ Total Knee System | Maxx Orthopedics, Inc. | 2025 | 0 | — |
| +7 | K252170 | OptiVu™ Shoulder | Mr Surgical Solutions, LLC | 2025 | 0 | — |
| +7 | K251717 | Freedom® Total Knee System – Titanium Tibial Base Plate | Maxx Orthopedics, Inc. | 2025 | 1 | — |
| +7 | K251184 | AltiVate Reverse Shoulder System; RSP Shoulder System; SMR Shoulder System; PRIMA… | Encore Medical L.P. | 2025 | 0 | — |
| +7 | K240669 | ACTIFY™ 3D Total Knee System, ACTIFY™ Total Knee System | Globus Medical, Inc. | 2024 | 1 | — |
| +7 | K233172 | NextAR™ Spine Platform | Medacta International S.A. | 2024 | 1 | — |
| +7 | K223876 | SMR Shoulder System | Lima Corporate S.P.A. | 2023 | 3 | — |
| +7 | K222427 | PRIMA TT Glenoid | Lima Corporate S.P.A. | 2022 | 2 | 3 |
| +7 | K220930 | Restoris Multi-Compartmental Knee System | Mako Surgical Corp. | 2022 | 0 | — |
| +7 | K212034 | LOSPA TKR System | Corentec Co., Ltd. | 2021 | 0 | — |
| +7 | K212411 | Identity Imprint Knee Replacement System (including Identity Imprint Posterior… | Conformis, Inc. | 2021 | 9 | — |
| +7 | K210191 | Identity Imprint Knee Replacement System | Conformis, Inc. | 2021 | 10 | 1 |
| +7 | K203447 | iTotal Identity Cruciate Retaining (CR) Total Knee Replacement, iTotal Identity… | Conformis, Inc. | 2020 | 12 | — |
| +7 | K193545 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2020 | 0 | — |
| +7 | K201851 | EXULT Femoral component trial - Left, EXULT Femoral component trial - Right | Corentec Co., Ltd. | 2020 | 0 | — |
| +8 | K243826 | SMR Reverse HP Shoulder System | Lima Corporate S.P.A. | 2025 | 1 | — |
| +8 | K233712 | PRIMA Humeral System; PRIMA TT Glenoid | Lima Corporate S.P.A. | 2024 | 1 | — |
| +8 | K231099 | SMR Hybrid Glenoid System | Lima Corporate S.P.A. | 2023 | 0 | — |
| +8 | K213389 | Identity Imprint Cruciate Retaining (CR) Knee Replacement System and Identity Imprint… | Conformis, Inc. | 2021 | 8 | — |
| +8 | K210809 | iTotal® Identity™ Cruciate Retaining (CR) Knee Replacement System (KRS) | Conformis, Inc. | 2021 | 4 | 1 |
| +9 | K252352 | SMR Shoulder System; PRIMA Glenoid System; PRIMA Humeral System | Lima Corporate S.P.A. | 2026 | 0 | — |
| +9 | K230846 | iTotal Identity Knee Replacement System; Identity Imprint Knee Replacement System | Conformis, Inc. | 2023 | 2 | — |
| +9 | K230844 | Identity Imprint Cruciate Retaining (CR) Knee Replacement System (KRS) with Cruciate… | Conformis, Inc. | 2023 | 1 | — |
| +9 | K221059 | Identity Imprint Knee Replacement System (including Identity Imprint Posterior… | Conformis, Inc. | 2022 | 7 | — |
| +10 | K221404 | Identity Imprint Knee Replacement System (including Identity Imprint Posterior… | Conformis, Inc. | 2022 | 6 | — |
| +11 | K231233 | Identity™ Imprint™ CR KRS and Identity™ Imprint™ PS KRS | Conformis, Inc. | 2023 | 0 | 1 |