# K883969: Uni-Knee Component of the Natural-Knee System

- Pathway: 510(k) (Traditional)
- Applicant: Intermedics Orthopedics
- Decided: Apr 19, 1989 after 211 days
- Product code: HRY (Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3530
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
21 later devices descend from it; 1 cites it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## 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

Source page: https://510kreport.com/device/K883969
Methodology: https://510kreport.com/methodology