# K192919: Pinnacle Duofix HA Acetabular Cup Prosthesis

- Pathway: 510(k) (Special)
- Applicant: DePuy Orthopaedics, Inc.
- Decided: Nov 26, 2019 after 42 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
Longest line of descent: 5 generations back to K941847 (1994). 19 ancestors in all.
6 later devices descend from it; 1 cites it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K031495: Pinnacle Duofix HA Acetabular Cup Prosthesis, DePuy Orthopaedics, Inc. (2003) Summary page 4.
- K000306: Pinnacle Acetabular System, DePuy Orthopaedics, Inc. (2000) Summary page 4.

## Most influential descendants
- K231873: DePuy SUMMIT Porocoat Hip Prosthesis – MR Conditional, DePuy SUMMIT DuoFix Hip Prosthesis – MR Conditional, DePuy SUMMIT Cemented Hip Prosthesis – MR Conditional, DePuy SUMMIT FX Cemented Hip Prosthesis – MR Conditional, DePuy SUMMIT Basic Press-Fit Hip Prosthesis – MR Conditional (2024), 5 descendants of its own
- K251292: RECLAIM Monobloc Revision Femoral Stem (2025), 1 descendant of its own
- K243977: EMPHASYS Acetabular System (2025), 1 descendant of its own
- K260173: M-Vizion Femoral Revision System Extension (2026), 0 descendants of its own
- K252067: Velora Acetabular System (2025), 0 descendants of its own

## Indications for use
The Pinnacle Duofix™ HA Acetabular Cup Prosthesis is indicated for use in total hip replacement procedures for patients suffering severe pain and disability due to structural damage in the hip joint from rheumatoid arthritis, osteoarthritis, post-traumatic arthritis, collagen disorders, avascular necrosis, and nonunion of femoral fractures. Use of the prosthesis is also indicated for revision of the previous hip arthroplasty and for patients with congenital hip dysplasia, protrusio acetabuli, slipped capital femoral epiphysis and disability due to previous fusion, where bone stock is inadequate for other reconstruction techniques. The Pinnacle Duofix HA Acetabular Cup Prosthesis is indicated for cementless application.

Source page: https://510kreport.com/device/K192919
Methodology: https://510kreport.com/methodology