Longevity Crosslinked Polyethylene Liners

Product Description

Longevity Crosslinked Polyethylene was developed to address the issue of wear in total hip arthroplasty. To help ensure optimal wear resistance, Zimmer employs a proprietary process based in part on patents licensed from Massachusetts General Hospital and Massachusetts Institute of Technology.

Removable Longevity Liners are available in standard, 10-degree and 20-degree elevations, and 7mm offset. This offers a range of options to assist the surgeon in optimizing femoral head coverage and restoring proper hip kinematics.

Using high-dose electron beam radiation, this process fully crosslinks broken molecular chains, leaving virtually no free radicals to promote oxidation.

This remarkable process creates a three-dimensional structure that is more resistant to abrasion and process a ten-fold wear rate reduction compared to standard polyethylene control samples.1, 2

Longevity Crosslinked Polyethylene is available with the Trilogy® Acetabular System, which is based on the long Zimmer tradition of clinical success with the Harris/Galante and HGP II porous cups.

Effect of Crosslinking

Wear rate (mg/million cycles) of Longevity Polyethylene and standard polyethylene in the unaged condition.1 See chart.

Please refer to the package inserts for complete product information, including contraindications, warnings, precautions, and adverse effects


  1. Data on file at Zimmer, Inc.
  2. Oonishi H, Saito M, Kadoya Y. Wear of high-dose gamma irradiated polyethylene in total joint replacement-long-term radiological evaluations. 44th Annual Meeting, Orthopaedic Research Society, March 16-19, 199
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