# K982859: UC-Plus Solution Unicondylar Knee System

- Pathway: 510(k) (Traditional)
- Applicant: Plus Orthopedics
- Decided: Jul 30, 1999 after 351 days
- Product code: HRY (Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3530
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K954481 (1996). 1 ancestor in all.
25 later devices descend from it; 3 cite it directly.
0 of 27 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K954481: P.F.C. Uni-Compartmental Knee System, Johnson & Johnson Professionals, Inc. (1996) Summary page 1.

## Most influential descendants
- K033810: Natural-Knee II Unicompartmental Knee System (2004), 20 descendants of its own
- K133811: Restoris Porous Partial Knee System (2014), 19 descendants of its own
- K163700: Bodycad Unicompartmental Knee System (2017), 8 descendants of its own
- K181302: Bodycad Unicompartmental Knee System (2019), 7 descendants of its own
- K190439: Engage™ Partial Knee System (2019), 5 descendants of its own

## Recalls of this device
- Jul 18, 2006 · Not classified · Z-0191-2007: There exists the possibility that incomplete bony support or insufficient cementing of the implanted device can result in fatigue fracture of the UC-PLUS Solution Femoral Component.

## Indications for use
The UC-PLUS Solution Unicondylar Knee System is intended for use in unicompartmental degenerative arthritis, local osteonecrosis of the femoral condyle, light to medium unicompartmental destruction of the knee joint due to idiopathic and post-traumatic degenerative arthritis, traumatic unicompartmental bone and/or cartilage lesions. For use with bone cement only.

Source page: https://510kreport.com/device/K982859
Methodology: https://510kreport.com/methodology