Devices descending from K031729
109 later devices reach Triathlon Posteriorly Stabilized (PS) Total Knee System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K261898 | Triathlon® Knee System; Triathlon® Hinge Knee System; Scorpio® Total Knee System | Howmedica Osteonics Corp. dba Stryker Orthopaedics | 2026 | 0 | — |
| +1 | K190402 | Triathlon Total Knee System-Additional Components | Stryker Orthopaedics (Aka Howmedica Osteonics Corp.) | 2019 | 11 | — |
| +1 | K180493 | A3 Total Knee System | Beijing AK Medical Co., Ltd. | 2018 | 1 | — |
| +1 | K173849 | Triathlon Total Knee System | Stryker Orthopaedics | 2018 | 14 | 3 |
| +1 | K172326 | Triathlon Total Knee System, Triathlon PKR System, Restoris MCK Knee System | Stryker Orthopaedics | 2017 | 24 | 1 |
| +1 | K140222 | Saiph Knee System | Matortho | 2014 | 0 | — |
| +1 | K141056 | Triathlon Knee System Posterior Stabilized Components | Stryker Orthopaedics | 2014 | 28 | 11 |
| +1 | K122500 | Neo PS Knee System | Pipeline Orthopedics | 2013 | 1 | — |
| +1 | K123166 | Triathlon All-Polyethylene Condylar Stabilizing (CS) Tibial Implants Triathlon… | Howmedica Osteonics Corp. | 2013 | 33 | — |
| +1 | K113060 | Unity Toatal Knee System | Corin USA | 2012 | 8 | 3 |
| +1 | K071881 | Triathlon PKR System | Howmedica Osteonics Corp. | 2007 | 25 | 1 |
| +1 | K070095 | Triathlon TS Knee System | Howmedica Osteonics Corp. | 2007 | 64 | 13 |
| +1 | K063423 | Triathlon CS (Condylar Stabilizing) Lipped Insert | Howmedica Osteonics | 2007 | 40 | — |
| +1 | K050539 | Size 1 Triathlon Posterior Stabilized (PS) Tibial Insert | Howmedica Osteonics Corp. | 2005 | 48 | — |
| +1 | K042993 | Triathlon Posteriorly Stabilized (PS) Femoral Component | Howmedica Osteonics Corp. | 2005 | 90 | 1 |
| +2 | K261275 | Unity Total Knee System, Unity Knee Cementless CR Femur | Corin, Ltd. | 2026 | 0 | — |
| +2 | K252898 | Triathlon® Tritanium® Asymmetric Patella; Triathlon® Tritanium® Symmetric Patella… | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2025 | 0 | 1 |
| +2 | K251665 | Triathlon® Hinge Knee System | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2025 | 2 | — |
| +2 | K241260 | ACTIFY™ Unicondylar Knee System | Globus Medical, Inc. | 2024 | 0 | — |
| +2 | K242831 | Triathlon Knee System; Triathlon Pro Posterior Stabilized Femoral Components; Triathlon… | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2024 | 3 | — |
| +2 | K241570 | Unity Total Knee System | Corin U.S.A. Limited | 2024 | 0 | — |
| +2 | K240938 | The Optimotion™ Blue Plus Knee System | Optimotion Implants, LLC | 2024 | 0 | — |
| +2 | K240875 | Unity Knee PS-C Tibial Insert | Corin U.S.A. Limited | 2024 | 0 | — |
| +2 | K240669 | ACTIFY™ 3D Total Knee System, ACTIFY™ Total Knee System | Globus Medical, Inc. | 2024 | 1 | — |
| +2 | K230120 | KeYi Total Knee System | Beijing Keyi Medical Device Technology Co., Ltd. | 2024 | 0 | — |
| +2 | K230952 | Triathlon® Total Knee System - Triathlon® Pro Posterior Stabilized (PS) Femoral Component | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2023 | 4 | — |
| +2 | K230537 | Klassic Knee Revision System | Total Joint Othopedics, Inc. | 2023 | 2 | — |
| +2 | K230416 | Triathlon® Hinge Knee System; Triathlon® Revision Insert X3® | Stryker | 2023 | 3 | — |
| +2 | K223528 | Triathlon® Hinge Knee System | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2023 | 4 | 1 |
| +2 | K203099 | Triathlon PKR System | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2020 | 1 | — |
| +2 | K201343 | Triathlon Total KneeSystem | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2020 | 3 | — |
| +2 | K200782 | Triathlon Posterior Stabilized Femoral Component - beaded with Peri-Apatite, Triathlon… | Howmedica Osteonics Corp. | 2020 | 0 | — |
| +2 | K200395 | LOSPA II Knee System (EXULT Knee Replacement System) | Corentec Co., Ltd. | 2020 | 2 | — |
| +2 | K190991 | Triathlon Tritanium Central Femoral Cone Augment, Triathlon Femoral Distal Augment | Howmedica Osteonics Corp. (Aka Stryker Orthopaedics) | 2019 | 0 | 4 |
| +2 | K183533 | Unity Total Knee System | Corin U.S.A. Limited | 2019 | 1 | — |
| +2 | K181061 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2018 | 1 | — |
| +2 | K180612 | Triathlon PKR X3 Tibial Inserts, Mako X3 Uni Onlay Tibial Inserts | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2018 | 3 | — |
| +2 | K173884 | Unity Total Knee System | Corin U.S.A. Limited | 2018 | 2 | — |
| +2 | K172634 | Triathlon® X3® UHMWPE Tibial Inserts and Patellar Components | Howmedica Osteonics Corp. A.K.A. Stryker Orthopaedics | 2017 | 18 | 7 |
| +2 | K170808 | Unity Total Knee System | Corin U.S.A. Limited | 2017 | 0 | — |
| +2 | K143443 | VEGA Knee System, Columbus Total Knee System | Aesculap Implants Systems, LLC | 2015 | 3 | — |
| +2 | K142388 | Neo Total Knee System | New Era Orthopedics, LLC | 2014 | 0 | — |
| +2 | K140942 | Klassic Knee Tibial Stem Extension | Total Joint Orthopedics, Inc. | 2014 | 27 | — |
| +2 | K131368 | Neo Knee System | Pipeline Orthopedics | 2013 | 1 | — |
| +2 | K072221 | Modification to Triathlon TS Knee System | Howmedica Osteonics Corp. | 2007 | 35 | — |
| +2 | K051380 | Triathlon Press-Fit Total Knee System | Howmedica Osteonics Corp. | 2005 | 54 | 1 |
| +3 | K262251 | ACTIFY™ Total Knee System, ACTIFY™ 3D Total Knee System (ACTIFY MC Tibial Insert) | Globus Medical, Inc. | 2026 | 0 | — |
| +3 | K253637 | Triathlon® Total Knee System - Triathlon® X3® Medial Stabilized Tibial Bearing Insert | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2026 | 0 | — |
| +3 | K252044 | Triathlon® Total Knee System - Triathlon® Gold Femoral Components | Howmedica Osteonics Corp., Dba Stryker Orthopaedics | 2025 | 0 | — |
| +3 | K243991 | Klassic Knee System - Revision Tibial Baseplate | Total Joint Othopedics, Inc. | 2025 | 1 | — |
| +3 | K234044 | ACS® LD FB Knee System | Implantcast GmbH | 2024 | 1 | — |
| +3 | K221850 | GMK 3D Metal Tibial Tray | Medacta International S.A. | 2022 | 1 | — |
| +3 | K220930 | Restoris Multi-Compartmental Knee System | Mako Surgical Corp. | 2022 | 0 | — |
| +3 | K212034 | LOSPA TKR System | Corentec Co., Ltd. | 2021 | 0 | — |
| +3 | K193545 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2020 | 0 | — |
| +3 | K201851 | EXULT Femoral component trial - Left, EXULT Femoral component trial - Right | Corentec Co., Ltd. | 2020 | 0 | — |
| +3 | K191084 | The Optimotion Blue Total Knee System | Optimotion Implants, LLC | 2020 | 1 | — |
| +3 | K191765 | OMNI TiN Coated Apex Knee™ System | Omni Life Science, Inc. | 2019 | 2 | — |
| +3 | K183596 | Klassic Knee System - Klassic Knee PS-Post Femur; Klassic Knee Tibial Insert, PS-Post… | Total Joint Orthopedics, Inc. | 2019 | 2 | — |
| +3 | K180159 | Klassic® Knee System | Total Joint Orthopedics, Inc. | 2018 | 22 | — |
| +3 | K162422 | Klassic Knee System | Total Joint Orthopedics, Inc. | 2016 | 23 | — |
| +3 | K123486 | Triathlon Tritanium Tibial Baseplate | Stryker | 2013 | 51 | 7 |
| +3 | K072575 | Triathlon Screw-Fixation Tibial Baseplate | Stryker Orthopaedics | 2008 | 29 | — |
| +4 | K261734 | Klassic Infection Spacer System | Total Joint Orthopedics, Inc. | 2026 | 0 | — |
| +4 | K260037 | implantcast Packaging System Update | Implantcast GmbH | 2026 | 0 | — |
| +4 | K253328 | GMK 3D Metal Tibial Tray Extension | Medacta International S.A. | 2026 | 0 | — |
| +4 | K232414 | Klassic® Tibial Insert, PS-Post, Klassic All Poly Tibia, PS-Post | Total Joint Othopedics, Inc. | 2023 | 0 | — |
| +4 | K211877 | Klassic Knee System | Total Joint Orthopedics, Inc. | 2022 | 1 | — |
| +4 | K201611 | Apex Knee System | Omnilife Science | 2021 | 0 | — |
| +4 | K202194 | ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella, and Medialized… | Depuy Ireland UC | 2020 | 4 | 1 |
| +4 | K202740 | Klassic Knee System Tibial Inserts, PS-Max | Total Joint Orthopedics, Inc. | 2020 | 0 | — |
| +4 | K190562 | iTotal Identity Cruciate Retaining Knee Replacement System | Conformis, Inc. | 2019 | 15 | — |
| +4 | K190280 | Klassic Knee System - Sombrero Patella with Standard Poly, Klassic Knee System -… | Total Joint Orthopedics, Inc. | 2019 | 0 | — |
| +4 | K182346 | TRULIANT Porous Tibial Tray and Exactech Alteon Bone Screws | Exactech, Inc. | 2018 | 5 | — |
| +4 | K162256 | Klassic Femur, Porous, Klassic Tibial Baseplate, Porous | Total Joint Orthopedics, Inc. | 2016 | 0 | — |
| +4 | K132624 | Triathlon Tritanium Metal-Backed Patella | Stryker Orthopaedics | 2013 | 38 | 1 |
| +5 | K261458 | ATTUNE Total Knee System; ATTUNE Cementless Knee System | DePuy Ireland UC | 2026 | 0 | — |
| +5 | K243656 | U2 Total Knee System – PF+ Patella; USTAR II System– PF+ Patella | United Orthopedic Corporation | 2025 | 0 | — |
| +5 | K241597 | Freedom® Total Knee System - Porous Tibial Base Plate | Maxx Orthopedics, Inc. | 2025 | 3 | — |
| +5 | K240393 | Exactech® TRULIANT® Knee System | Exactech, Inc. | 2024 | 0 | — |
| +5 | K240678 | ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized… | Depuy Ireland UC | 2024 | 0 | — |
| +5 | K232303 | ATTUNE® Porous Fixed Bearing Tibial Base, Medialized Dome Patella and Medialized… | Depuy Ireland UC | 2023 | 1 | 1 |
| +5 | K223252 | TRULIANT® E-PX Tibial Inserts; TRULIANT® E-PX Patellas | Exactech, Inc. | 2023 | 0 | 1 |
| +5 | K220049 | Optimotion Implants Porous Metal-Backed Patella | Optimotion Implants, LLC | 2022 | 0 | — |
| +5 | K212941 | Porous Patella | Encore Medical, L.P. Dba Djo Surgical | 2022 | 1 | 1 |
| +5 | K213781 | ATTUNE® Porous Fixed Bearing Tibial Base with AFFIXIUM™ 3DP | Depuy Ireland UC | 2022 | 0 | 1 |
| +5 | K211221 | Porous Patella and Porous Tibia Baseplate | Smith & Nephew, Inc. | 2021 | 5 | — |
| +5 | K212411 | Identity Imprint Knee Replacement System (including Identity Imprint Posterior… | Conformis, Inc. | 2021 | 9 | — |
| +5 | K210191 | Identity Imprint Knee Replacement System | Conformis, Inc. | 2021 | 10 | 1 |
| +5 | K203447 | iTotal Identity Cruciate Retaining (CR) Total Knee Replacement, iTotal Identity… | Conformis, Inc. | 2020 | 12 | — |
| +5 | K201023 | iTotal® Identity Posterior Stabilized Knee Replacement System | Conformis, Inc. | 2020 | 14 | — |
| +6 | K261462 | LANDMARK Total Knee System | Smith & Nephew, Inc. | 2026 | 0 | — |
| +6 | K254084 | AETOS Shoulder System - CONCELOC Glenoids | Smith & Nephew, Inc. | 2026 | 0 | — |
| +6 | K252777 | Freedom Metaphyseal Cone Implants (Metaphyseal Cones) | Maxx Orthopedics, Inc. | 2025 | 0 | — |
| +6 | K253314 | Freedom Infinia™ Total Knee System | Maxx Orthopedics, Inc. | 2025 | 0 | — |
| +6 | K251717 | Freedom® Total Knee System – Titanium Tibial Base Plate | Maxx Orthopedics, Inc. | 2025 | 1 | — |
| +6 | K230653 | Smith & Nephew, Inc. ANTHEM Total Knee System, Genesis Uni Knee System, JOURNEY BCS and… | Smith & Nephew, Inc. | 2023 | 3 | 1 |
| +6 | K213389 | Identity Imprint Cruciate Retaining (CR) Knee Replacement System and Identity Imprint… | Conformis, Inc. | 2021 | 8 | — |
| +6 | K210809 | iTotal® Identity™ Cruciate Retaining (CR) Knee Replacement System (KRS) | Conformis, Inc. | 2021 | 4 | 1 |
| +6 | K203421 | Triathlon AS-1 | Conformis, Inc. | 2021 | 0 | — |