# K003391: Osteonics Alumina C-Taper Head

- Pathway: 510(k) (Special)
- Applicant: Howmedica Osteonics Corp.
- Decided: Nov 28, 2000 after 28 days
- Product code: LZO (Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3353
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
174 later devices descend from it; 3 cite it directly.
0 of 175 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
- K022958: Total Hip Femoral Heads and Liners (2002), 162 descendants of its own
- K083762: Biolox Delta Ceramic Femoral Heads (2009), 149 descendants of its own
- K100412: Biolox Delta Ceramic Femoral Heads (2010), 140 descendants of its own
- K103120: Corin Biolox Delta Femoral Heads (2011), 110 descendants of its own
- K110087: Corin Trinity Acetbular System with Hxlpe Liners (2011), 109 descendants of its own

Source page: https://510kreport.com/device/K003391
Methodology: https://510kreport.com/methodology