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Prosthetic ball-and-socket joint
专利权人:
Harold Lloyd Crowder, Jr.;Franz W. Kellar
发明人:
Franz W. Kellar,Harold Lloyd Crowder, Jr.
申请号:
US13311119
公开号:
US09005307B2
申请日:
2011.12.05
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A prosthetic joint includes: (a) first member having a balanced centroidal axis, and comprising a rigid material and a concave interior defining a cup surface, the cup surface including: (i) a cantilevered first flange defining a wear-resistant protruding first contact rim, the first flange being asymmetric relative to the balanced centroidal axis; and (ii) a cantilevered second flange defining a wear-resistant protruding second contact rim; (b) a second member comprising a rigid material with a wear-resistant, convex contact surface; (c) where the first and second contact rims bear against the contact surface of the second member, to transfer loads between the first and second members, while allowing pivoting motion therebetween; and (d) wherein the flanges are shaped and sized so as to deform elastically and permit the first and second contact rims to conform in an irregular shape to the contact surface, when the joint is under load.
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中国工程科技知识中心
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