# K121439: Metafix Femoral Hip Stem Size 1

- Pathway: 510(k) (Traditional)
- Applicant: Corin USA
- Decided: Sep 14, 2012 after 122 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
Longest line of descent: 13 generations back to K810258 (1981). 120 ancestors in all.
8 later devices descend from it; 7 cite it directly.
0 of 128 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K082525: Corin Metafix Femoral Stem, Corin USA (2010) Summary page 1.
- K120362: Metafix Femoral Stem for Hemi-Arthroplasty, Corin USA (2012) Summary page 1.

## Most influential descendants
- K153381: Corin Metafix Hip Stem (2016), 5 descendants of its own
- K130634: Corin Metafix Hip Stem (2013), 5 descendants of its own
- K131952: Corin Metafix Hip Stem (2013), 4 descendants of its own
- K162942: Corin MetaFix Hip Stem (2017), 3 descendants of its own
- K212069: Corin MetaFix™ Hip Stem (2022), 2 descendants of its own

## Indications for use
The indications for the Corin Metafix Hip Stem as a total hip arthroplasty and, when used in combination with Corin hemi-arthroplasty femoral heads, as a hemi-arthroplasty, include: Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis Rheumatoid arthritis Correction of functional deformity Treatment of non-union, femoral neck and trochanteric fractures of the proximal femur Developmental dysplasia of the hip (DDH) and congenital dysplasia of the hip (CDH) The Corin Metafix Hip Stem is indicated for cementless use only.

Source page: https://510kreport.com/device/K121439
Methodology: https://510kreport.com/methodology