# K071718: Trilogy Longevity Constrained Liner

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer, Inc.
- Decided: Jul 13, 2007 after 21 days
- Product code: KWZ (Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3310
- 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: 3 generations back to P960047 (1997). 4 ancestors in all.
28 later devices descend from it; 3 cite it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K030923: Epsilon Durasul Constrained Acetabular Liner, Centerpulse Orthopedics, Inc. (2003) Summary page 1.

## Most influential descendants
- K092265: Vesafitcup Double Mobility- Highcross Hxuhmwpe Liners (2010), 23 descendants of its own
- K103721: Mpact Acetabular System (2011), 21 descendants of its own
- K122641: Mpact Extension (2012), 14 descendants of its own
- K132879: Mpact Extension (2014), 11 descendants of its own
- K183582: MPACT Extension (2019), 4 descendants of its own

## Recalls of this device
- Aug 27, 2012 · Class II · Z-0386-2013: Trilogy Longevity Constrained Liner devices were packaged in incorrect cartons. The product is packaged in the incorrect carton. Product labels and patient labels are correct, matching the product ins

## Indications for use
The Trilogy®Longevity® Constrained Liner is indicated for primary or revision total hip arthroplasties where there is a high risk of hip dislocation due to a history of instability, bone loss, joint, muscle or tissue laxity, or disease condition. This device is intended for patients for whom all other options to constrained acetabular components have been considered.

Source page: https://510kreport.com/device/K071718
Methodology: https://510kreport.com/methodology
