Longevity® Highly Crosslinked Polyethylene

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Longevity® Highly Crosslinked Polyethylene

Longevity Highly Crosslinked Polyethylene was developed to address the issue of wear in total hip arthroplasty. To help ensure optimal wear resistance, Zimmer Biomet employs a proprietary manufacturing process.

Clinical Results

Crosslinking reduced wear rate of polyethylene in laboratory studies.1

Reduction of debris compared to standard polyethylene control samples.1

High-Dose Electron-Beam Radiation

This process fully crosslinks broken molecular chains, leaving virtually no free radicals to promote oxidation.

Highly Resistant to Wear

Proprietary electron beam process delivers 10Mrad dosage for greater crosslinking, resulting in superior long-term polyethylene wear performance compared to conventional polyethylene.2,3,4,

Highly Resistant to Aging

Melt annealing vs. warm annealing virtually eliminates free radicals. Retrievals up to 10 years in vivo demonstrate no oxidation.5,6, 7

Functions as Intended

With millions of Longevity liners implanted since 1999, in a seven to ten year follow-up of 247 primary THA's using Zimmer Biomet  Highly Crosslinked Liners, femoral head penetration did not increase over time after the first year of implantation using 241 primary THA's using standard polyethylene as the control.8,9

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