# K903563: Howmedica HNR System

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Corp.
- Decided: Mar 14, 1991 after 219 days
- Product code: LWJ (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3360
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 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
- K970200: Reliance PF Femoral Stems (1997), 0 descendants of its own

Source page: https://510kreport.com/device/K903563
Methodology: https://510kreport.com/methodology