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Mobile bearing tibial base prosthetic device employing oxidized zirconium surfaces
Mobile bearing tibial base prosthetic device employing oxidized zirconium surfaces
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机译:使用氧化锆表面的活动式带支承胫骨假体装置
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摘要
An orthopedic implant with a diffusion-hardened surface on non-load bearing areas of the implant for interaction with non-load bearing surfaces of a polymeric bio-compatible material, such as UHMWPE (ultra-high molecular weight polyethylene). The orthopedic implant is a mobile-bearing knee prosthetic and system where a coating of oxidized zirconium is formed on the post of the tibial tray of the prosthetic for interaction with an opening of a polymeric tibial insert. The diffusion-hardened surface of the orthopedic implant provides a strengthened post and reduction in wear in the opening of the polymeric insert.
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