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Porous coated implants having improved fatigue behavior
Porous coated implants having improved fatigue behavior
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机译:具有改善的疲劳行为的多孔涂层植入物
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摘要
Orthopaedic implants exhibiting improved fatigue strength are disclosed. By forming a plurality of nodules on the surface of an implant and depositing a porous coating onto the surface of these nodules, the fatigue strength of implants such as those made from &agr;+&bgr; titanium alloys, e.g., Ti-6Al-4V alloy is substantially improved. The present invention provides a novel geometry which substantially reduces the stress concentration factor created by the interfacial geometry of conventional porous coatings. Methods of manufacturing porous coated orthopaedic implants are also disclosed.
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