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AOX™ Antioxidant Polyethylene
AOX™ Antioxidant Polyethylene
AOX™ Polyethylene features a patented antioxidant, COVERNOX™ Antioxidant, which combines with post irradiation free radicals to stabilize them. Once implanted, the COVERNOX™ Antioxidant which has bonded with free radicals, designed to prevent oxidation to potentially maintain mechanical integrity and oxidative stability.
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Key Resources
Instructions for Use
Features & Benefits
Oxidative Stability
The antioxidant in AOX™ Antioxidant Polyethylene stabilizes free radicals preventing oxidation of the polyethylene.
Wear Resistance
The AOX™ Antioxidant Polyethylene resin mix is exposed to a level of irradiation to stimulate crosslinking while delivering enhanced wear characteristics.
Mechanical integrity
Crosslinked AOX™ Antioxidant Polyethylene maintains high mechanical integrity with aging. The addition of an antioxidant into the material eliminates the need for re-melting or annealing.
References
- ASTM Standard Specification for Ultra-High-Molecular-Weight Polyethylene Powder and Fabricated Form for Surgical Implants, Data on file. WR080405
- Kurtz, S. M., Advances in the processing, sterilization, and crosslinking of ultra-high molecular weight polyethylene for total joint arthroplasty. Biomaterials Handbook, 2nd ed. 1999. p. 1659-1688
094324-221020
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