# K122305: Corin Trinity-I Acetabular Shell

- Pathway: 510(k) (Traditional)
- Applicant: Corin USA
- Decided: Nov 21, 2012 after 112 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: 11 generations back to K810258 (1981). 96 ancestors in all.
28 later devices descend from it; 6 cite it directly.
0 of 124 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.

## Most influential descendants
- K123705: Trinity Non-Occluded Titanium Plasma Sprayed (TPS) Acetabular Shells (2013), 23 descendants of its own
- K130128: Trinity Acetabular System (2013), 17 descendants of its own
- K182321: MobileLink Acetabular Cup System (2019), 8 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

## Indications for use
The indications for the Trinity Acetabular System as a total hip arthroplasty include: Non-inflammatory degenerative joint disease including osteoarthritis and avascular necrosis Rheumatoid arthritis Correction of functional deformity Developmental dysplasia of the hip (DDH) or congenital dysplasia of the hip (CDH) The Trinity Acetabular System is intended for cementless use only.

Source page: https://510kreport.com/device/K122305
Methodology: https://510kreport.com/methodology