# K990135: Trilogy Acetabular System Longevity Crosslinked Polyethylene

- Pathway: 510(k) (Traditional)
- Applicant: Zimmer, Inc.
- Decided: Jul 12, 1999 after 180 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: 1 generation back to K934765 (1994). 3 ancestors in all.
192 later devices descend from it; 5 cite it directly.
0 of 196 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K934765: Trilogy Acetabular System, Zimmer, Inc. (1994) Summary page 1.
- K953490: Trilogy Acetabular Shell & Liners 36MM, Zimmer, Inc. (1995) Summary page 2.
- K954698: Trilogy Acetabular Component 7MM Offset, Zimmer, Inc. (1996) Summary page 2.

## Most influential descendants
- K103662: Continuum and Trilogy Integrated Taper (IT) Acetabular Systems; Longevity IT Highly Crosslinked Polyethylene Elevated LI (2011), 137 descendants of its own
- K120370: Vivacit-E Vitamin E Highly Crosslinked Polyethylene Liners (2012), 88 descendants of its own
- K121771: Zimmer Persona the Personalized Knee System (2012), 59 descendants of its own
- K121874: G7 Acetabular System (2012), 53 descendants of its own
- K140669: G7 Osseoti Acetublar Shells (2014), 35 descendants of its own

## Indications for use
The Trilogy® Acetabular System is indicated for either cemented or noncemented use in skeletally mature individuals undergoing surgery for rehabilitating hips damaged as a result of noninflammatory degenerative joint disease (NIDJD) or its composite diagnoses of osteoarthritis, avascular necrosis, traumatic arthritis, slipped capital epiphysis, fused hip, fracture of the pelvis, and diastrophic variant.

Source page: https://510kreport.com/device/K990135
Methodology: https://510kreport.com/methodology