# K903362: Osteolock (TM) Acetabular Cup

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Corp.
- Decided: Oct 22, 1990 after 88 days
- Product code: JDI (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Cemented)
- Device class: 2
- Regulation: 21 CFR 888.3350
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
228 later devices descend from it; 4 cite it directly.
0 of 229 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
- K971854: Osteolock Acetabular Shell System (1997), 216 descendants of its own
- K001448: Trident Acetabular Shells: PS-HA (2000), 150 descendants of its own
- K060437: Excia Total Hip System with U-Cap (2006), 90 descendants of its own
- K080584: Metha Short Stem Hip System (2008), 83 descendants of its own
- K001449: Trident Acetabular Shells: PS (2000), 69 descendants of its own

Source page: https://510kreport.com/device/K903362
Methodology: https://510kreport.com/methodology