# K935731: Acetabular Shell

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Corp.
- Decided: Mar 3, 1994 after 92 days
- Product code: LPH (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3358
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 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
- K973163: Acetabular Shells with Mesh Ingrowth Surface (1997), 1 descendant of its own
- K982248: Howmedica Asymmetric Stem Vitalock Cluster & Spiked Shells, and Acetabular Shells with Mesh Ingrowth Surface with Peri-a (1998), 0 descendants of its own

Source page: https://510kreport.com/device/K935731
Methodology: https://510kreport.com/methodology