# K131647: Trinity Acetabular System

- Pathway: 510(k) (Traditional)
- Applicant: Corin USA
- Decided: Sep 27, 2013 after 114 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: 12 generations back to K810258 (1981). 114 ancestors in all.
22 later devices descend from it; 4 cite it directly.
0 of 136 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K093472: Trinity Acetabular System, Corin USA (2010) Summary page 1.
- K110087: Corin Trinity Acetbular System with Hxlpe Liners, Corin USA (2011) Summary page 1.
- K130343: Corin Trinity Acetabular System with Extra-Long Heads, Corin USA (2013) Summary page 1.
- K993438: Metal on Metal Acetabular System, Biomet, Inc. (2000) Summary page 1.
- K003363: M2A 32MM Taper System, Biomet, Inc. (2000) Summary page 1.
- K042037: M2A Magnum System, Biomet, Inc. (2004) Summary page 1.

## Most influential descendants
- K170359: Trinity™ Dual Mobility System (2017), 10 descendants of its own
- K152893: Corin Optimized Positioning System (OPS) (2016), 8 descendants of its own
- K190834: Corin Optimized Position System Functional Hip Analysis (OPS FHA) (2019), 5 descendants of its own
- K142761: Corin TaperFit Hip Stem (2015), 4 descendants of its own
- K192656: Optimized Positioning System (OPS) Insight (2020), 3 descendants of its own

## Indications for use
The indications for the Trinity Acetabular System as a total hip arrhroplasty include: Non-inflammatory degenerative joint disease including osteoarthriris and avascuiar necrosis Rheumatoid arthritis Correction of functional deformity Developmentai dysplasia of the hip (DH) or congenital dysplasia of the hip (CDH) The Trinity Acetabular System is intended fo r cementless, single use only.

Source page: https://510kreport.com/device/K131647
Methodology: https://510kreport.com/methodology