# K992667: ZMR Hip System-Revision Taper

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer, Inc.
- Decided: Oct 27, 1999 after 79 days
- Product code: LPH (Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3358
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K850055 (1985). 6 ancestors in all.
114 later devices descend from it; 7 cite it directly.
1 of 121 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K921274: Metallic Toatal Hip System, Biomet, Inc. (1994) Summary page 1.
- K955296: Link MP Reconstruction Hip, Link America, Inc. (1996) Summary page 1.
- K961378: Delta Hip Prosthesis, Zimmer, Inc. (1996) Summary page 1.

## Most influential descendants
- K994286: ZMR Hip System-Porous Revision (2000), 105 descendants of its own
- K032726: Zimmer M/L Taper Hip Prosthesis, 7711 Series (2003), 84 descendants of its own
- K071723: Zimmer Porolock Mis Stem (2008), 73 descendants of its own
- K123392: Avenir Muller Stem (2013), 41 descendants of its own
- K110400: Taperloc Complete Microplasty Stem (2011), 34 descendants of its own

## Recalls of this device
- May 15, 2009 · Not classified · Z-1615-2009: The threads on the screw are incomplete/non-functional.

## Indications for use
The ZMR Hip System is indicated for cementless revision hip arthroplasty. Arthroplasty should be performed only when more conservative methods of treatment have failed to provide symptomatic relief or when there is progressive disability.

Source page: https://510kreport.com/device/K992667
Methodology: https://510kreport.com/methodology
