# K950541: Howmedica V40 22MM Femoral Head

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Corp.
- Decided: Mar 21, 1995 after 42 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.
299 later devices descend from it; 1 cites it directly.
0 of 300 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
- K022077: 36MM V40 Femoral Head Components (Lfit and Non-Lfit) (2002), 298 descendants of its own
- K040191: Bicontact Hip Stem and Femoral Head (2004), 267 descendants of its own
- K042344: Excia Total Hip System (2005), 198 descendants of its own
- K043079: Bicontact Hip System with U-Cap (2004), 166 descendants of its own
- K093472: Trinity Acetabular System (2010), 117 descendants of its own

Source page: https://510kreport.com/device/K950541
Methodology: https://510kreport.com/methodology