# K173880: Corin TriFit CF Hip Stem

- Pathway: 510(k) (Traditional)
- Applicant: Corin U.S.A. Limited
- Decided: Apr 11, 2018 after 111 days
- Product code: MEH (Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate)
- 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: 15 generations back to K810258 (1981). 179 ancestors in all.
3 later devices descend from it; 2 cite it directly.
0 of 182 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K141001: Alpine Hip Stem; Alpine HA Hip Stem, Ortho Development (2014) Summary page 4.
- K121563: Corin Trifit TS Hip, Corin USA (2012) Summary page 4.
- K153772: Corin TriFit TS Hip, Corin U.S.A. Limited (2016) Summary page 4.

## Most influential descendants
- K201657: Corin Ltd. Hip Products: Trinity™ Acetabular System, Trinity™ PLUS Acetabular Shell, MetaFix™ Hip System, TriFit™ CF and TS Hip Systems, TaperFit™ Hip System, Revival™ Modular Hip System, MiniHip™, Trinity™ Dual Mobility, MobiliT, BiPolar-i, OMNI MOD™ Hip System, OMNI K1 and K2 Hip Systems, OMNI Bipolar Heads, Corin Biolox Delta Ceramic Heads, OMNI Delta Ceramic Heads (2021), 2 descendants of its own
- K241472: Icona Hip Stem (2024), 1 descendant of its own
- K261576: Icona Hip Stem (2026), 0 descendants of its own

## Indications for use
The indications for the Corin TriFit™ CF Hip Stem as a total hip arthroplasty and as a hip hemiarthroplasty include: Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis Rheumatoid arthritis Correction of functional deformity Treatment of non-union and femoral neck fractures of the proximal femur Developmental Dysplasia of the Hip (DDH) Previously failed hip surgery The Corin TriFit™ CF Hip Stem is indicated for cementless use only.

Source page: https://510kreport.com/device/K173880
Methodology: https://510kreport.com/methodology