# K974740: Depuy Tri-Lock Hip Stem

- Pathway: 510(k) (Traditional)
- Applicant: Depuy, Inc.
- Decided: Mar 18, 1998 after 89 days
- Product code: LPH (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3358
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) DePuy Prodigy Hip: named in the summary without a submission number
- (no number) DePuy AML Proximally-Coated Stem: named in the summary without a submission number
- (no number) DePuy Porocoat Dual Lock Total Hip System: named in the summary without a submission number

## Indications for use
The DePuy Tri-Lock Hip Stem is indicated for cementless use in the treatment of: 1. A severely painful and/or a severely disabled joint resulting from osteoarthritis, traumatic arthritis, or rheumatoid arthritis; 2. Avascular necrosis of the femoral head; 3. Acute traumatic fracture of the femoral head or neck; 4. Failed previous surgery, including joint reconstruction, internal fixation, arthrodesis, hemiarthroplasty, surface replacement arthroplasty, or other total hip replacement; 5. Certain cases of ankylosis.

Source page: https://510kreport.com/device/K974740
Methodology: https://510kreport.com/methodology