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OXINIUM™

Oxidized Zirconium

Fatigue Strength

Fatigue Strength⁶

ASTM standards require implants to withstand loads that would normally be characterized as extreme. This test simulated worst-case physiological conditions.

The OXINIUM components were found to support a minimum fatigue load of 1,000 lbs. for 10 million cycles, which is equivalent to a cobalt chrome femoral component of the same design.

If you are having problems viewing the video, please click here

This test shows the metal-like fatigue strength and toughness of the OXINIUM component, unlike ceramic components that could shatter under these conditions.

References

6. S. Tsai, J. Sprague, G. Hunter, R. Thomas, and A. Salehi, “Mechanical testing and finite element analysis of oxidized zirconium femoral components”, Trans. Soc. Biomaterials, 24, 2001, p. 163.