# K992235: Zyranox Zirconia Ceramic Femoral Heads

- Pathway: 510(k) (Traditional)
- Applicant: Corin USA
- Decided: Nov 23, 1999 after 144 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.
119 later devices descend from it; 3 cite it directly.
0 of 120 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K093472: Trinity Acetabular System (2010), 117 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
- K111911: Corin Optimom Modular Head (2011), 62 descendants of its own
- K120362: Metafix Femoral Stem for Hemi-Arthroplasty (2012), 61 descendants of its own

## Indications for use
The Zirconia Ceramic Modular Heads are used in combination with femoral hip stems and ultra high molecular weight polyethylene (UHMWPE) acetabular cups or acetabular cup liners to reinstate function following the degenerative effects of ostco or rheumatoid arthritis, post-trauma disease cffects, avascular necrosis and septic or aseptic total hip revision.

Source page: https://510kreport.com/device/K992235
Methodology: https://510kreport.com/methodology