Vivacit-E®  Vitamin E Highly Crosslinked Polyethylene

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Vivacit-E®  Vitamin E Highly Crosslinked Polyethylene

Designed to meet the long-term performance needs of high-demand patients, Vivacit-E builds on the legacy of Longevity®  Highly Crosslinked Polyethylene with more than 13 years of clinical success.1

Clinical Results

Wear Reduction Over Conventional Polyethylene at 100 Million Cycles.2

0 Signs

No signs of oxidation or significant decline in mechanical properties when subjected to accelerated aging for 33 weeks.3

Benefits
Exceptional Oxidative Stability

It’s widely accepted that oxidation is a primary aging mechanism of polyethylene, which can lead to osteolysis and implant failure. The oxidative stability of Vivacit-E HXPE is the result of a proprietary process that grafts (locks) vitamin E directly to the polyethylene chain.4,5,6,7

The vitamin E continuously stabilises the material to prevent oxidative degradation of the polyethylene. When subjected to accelerated aging for 33 weeks (16 times the industry standard), Vivacit-E HXPE showed no signs of oxidation or significant decline in mechanical properties.3

Improved Strength

Antioxidant protection eliminates the need to remelt the polyethylene, leading to an improvement in strength in comparison to highly crosslinked polyethylene.8

The vitamin E in Vivacit-E HXPE prevents oxidation, resulting in mechanical strength that is retained after accelerated aging for more than 16 times the 2-week industry standard test according to ASTM F2003.3,8,9

Ultra-low Wear

In tests on two week-aged 40mm articulation size Vivacit-E liners and Longevity liners, Vivacit-E liners showed ultra-low wear rates comparable to Longevity liners.10

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