The new e+ Polyethylene insert in the STAR Ankle is blended with vitamin E, which is known for its antioxidant properties. Credit: Enovis.

Enovis has announced the introduction of its Scandinavian Total Ankle Replacement (STAR Ankle), now enhanced with e+ Polyethylene.

The US Food and Drug Administration (FDA) has recently approved this addition, making the STAR Ankle the first and only mobile-bearing ankle system in the US to incorporate this advanced material.

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The new e+ Polyethylene insert in the STAR Ankle is blended with vitamin E, which is known for its antioxidant properties.

This unique composition is designed to resist oxidation, maintain consistent wear rates, and preserve stable mechanical properties over time.

Unlike other highly crosslinked polyethylenes that undergo remelting during manufacturing, a process that can diminish mechanical strength by as much as 12%, e+ Polyethylene retains its durability without such compromises.

Enovis foot and ankle president and general manager Gary Justak said: “With e+ Polyethylene, we uphold our commitment to the advancement of our total ankle portfolio, merging full oxidative resistance with the time-tested design of the STAR Ankle.

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“Building upon the proven success of the STAR Ankle epitomises our culture of advancing foot and ankle solutions and elevating patient treatment options. We don’t just set the standard—we redefine it.”

Enovis has also recently released STAR Patient Specific Instrumentation (PSI), which, when combined with the new e+ Polyethylene, forms the STAR+ Experience.

This initiative underscores the company’s dedication to continuous improvement, with a focus on enhancing patient satisfaction and outcomes.

The incorporation of e+ Polyethylene into the STAR Ankle builds on the implant’s legacy.

It has more than 40,000 global implementations throughout its 37-year history.

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