Devices descending from K103733
8 later devices reach United U2 Xpe Total Knee System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K222700 | Tibial baseplate, Tibial insert | United Orthopedic Corporation | 2022 | 0 | — |
| +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 | K150829 | U2 Total Knee System- Additional Sizes | United Orthopedic Corporation | 2015 | 3 | — |
| +1 | K132752 | Ultracongruent Insert | United Orthopedic Corporation | 2014 | 5 | — |
| +1 | K131864 | U2 Tibial Baseplate- Cma Type, Tibial Insert and Augment | United Orthopedic Corporation | 2014 | 5 | — |
| +2 | K210961 | U2 Total Knee System, XPE Tibial Insert, PS PLUS | United Orthopedic Corporation | 2021 | 0 | — |
| +2 | K152430 | All Poly Tibial Component | United Orthopedic Corporation | 2016 | 0 | — |