Devices descending from K082424
15 later devices reach United U2 Total Knee System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K252725 | Stem Extension Line (U2 Total Knee System—PSA Type) | United Orthopedic Corporation | 2025 | 0 | — |
| +1 | K210695 | CPM Medical Consultants Tibial Revision Knee System | Cpm Medical Consultants, LLC | 2021 | 0 | — |
| +1 | K190100 | USTAR II System | United Orthopedic Corporation | 2019 | 2 | 5 |
| +1 | K161705 | U2 Total Knee System E-XPE products | United Orthopedic Corporation | 2017 | 1 | — |
| +1 | K161360 | U2 Total Knee System, PSA Tibial Insert | United Orthopedic Corporation | 2017 | 0 | — |
| +1 | K131864 | U2 Tibial Baseplate- Cma Type, Tibial Insert and Augment | United Orthopedic Corporation | 2014 | 5 | — |
| +1 | K131116 | U2 Total Knee System - Psa Type, Offset Stem Adapter | United Orthopedic Corporation | 2013 | 0 | — |
| +1 | K122183 | Augment and Screw, Psa Type | United Orthopedic Corp. | 2013 | 10 | — |
| +1 | K100981 | United Stem, Psa Type | United Orthopedic Corp. | 2010 | 3 | — |
| +2 | K252303 | Stem Extension Line (USTAR II System) | United Orthopedic Corporation | 2025 | 0 | — |
| +2 | K243656 | U2 Total Knee System – PF+ Patella; USTAR II System– PF+ Patella | United Orthopedic Corporation | 2025 | 0 | — |
| +2 | K222700 | Tibial baseplate, Tibial insert | United Orthopedic Corporation | 2022 | 0 | — |
| +2 | K152430 | All Poly Tibial Component | United Orthopedic Corporation | 2016 | 0 | — |
| +2 | K150829 | U2 Total Knee System- Additional Sizes | United Orthopedic Corporation | 2015 | 3 | — |
| +3 | K210961 | U2 Total Knee System, XPE Tibial Insert, PS PLUS | United Orthopedic Corporation | 2021 | 0 | — |