Oxinium*

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Oxinium*

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Oxidised zirconium, branded OXINIUM*, is a new, next generation technological development in the area of orthopaedic implants and devices that significantly addresses the critical issue of debris produced by implants as a result of friction between the articulating surfaces of the implant.

Smith & Nephew researchers invented and patented a method for creating a ceramic surface with dramatically improved hardness and smoothness that can be formed into the shape of the human knee. Compared to cobalt-chrome, oxidised zirconium in knee wear simulation testing reduced the rate of polyethylene wear by 90% and 98% in XLPE in Hips.

Oxidised zirconium's resistance to wear makes it a realistic option for younger, more active candidates, as it will potentially last longer than the traditional knee implant. Currently most candidates for knee replacement surgery are 65 and older.

Approved by the Federal Drug Administration (FDA) in the US and patented by Smith & Nephew for orthopaedic use, OXINIUM* is a highly biocompatible material and contains only minute traces of nickel, thereby reducing the problem of nickel allergy from which many people suffer.