Intended for Healthcare Professionals

Longevity®  Highly Crosslinked Polyethylene

OverviewKey Data PointsProduct FeaturesBenefitsRelated ProductsAdditional Information

Overview

Longevity 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.

Procedures

  • Hip Technologies

Clinical experience with highly crosslinked polyethylenes has demonstrated a substantial reduction in the rate of wear.2,3  This remarkable process creates a three-dimensional structure that is more resistant to abrasion.4,5

Reduced Wear

89%

Crosslinking reduced wear rate of polyethylene in laboratory studies.1

Reduction of Debris

89%

Compared to standard polyethylene control samples.1

System Features

High-Dose Electron-Beam Radiation

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

Three-Dimensional Structure 

This process creates a three-dimensional structure that is more resistant to abrasion and process a 10-fold wear rate reduction compared to standard polyethylene control samples.1,2 Extensive hip-simulator wear testing has demonstrated the benefits of crosslinking with Longevity Polyethylene.

Benefits

Highly Resistant to Wear6-8

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

Highly resistant to aging9-11

  • Melt annealing vs. warm annealing virtually eliminates free radicals. Retrievals up to 10 years in vivo demonstrate no oxidation. 

Functions as Intended12

  • 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 control4

Related Products

Trabecular Metal® Modular Acetabular System

Additional Information

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For product information, including indications, contraindications, warnings, precautions, potential adverse effects and patient counseling information, see the package insert or contact your local representative; search this website for additional product information. To obtain a copy of the current Instructions for Use (IFU) for full prescribing and risk information, please call 1-800-348-2759, press 4 for 411 Technical Support.