# K953578: Protek Acetabular Roof Reinforcement Ring

- Pathway: 510(k) (Traditional)
- Applicant: Intermedics Orthopedics
- Decided: Oct 30, 1995 after 90 days
- Product code: JDI (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Cemented)
- Device class: 2
- Regulation: 21 CFR 888.3350
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
11 later devices descend from it; 3 cite it directly.
0 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K960678: Burch/Schneider Reinforcement Cage (1996), 9 descendants of its own
- K061226: Trabecular Metal Acetabular Revision System Cage (2006), 4 descendants of its own
- K113296: ZMR Hip System  KWZ-Prosthesis, Hip, Constrained, Cemented or Uncemented, Metal/Polymer (2012), 2 descendants of its own
- K971890: Recovery Protrusio Cage (1997), 2 descendants of its own
- K200823: Zimmer, Inc. Hip Joint Prostheses MR Labeling I (2020), 1 descendant of its own

Source page: https://510kreport.com/device/K953578
Methodology: https://510kreport.com/methodology