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CAVITE GLENOÏDE, EN PARTICULIER POUR UNE ENDOPROTHESE DE HANCHE
专利权人:
SMITH & NEPHEW ORTHOPAEDICS AG
发明人:
IMHOF, MARTIN
申请号:
EP07723064.7
公开号:
EP2004097B1
申请日:
2007.03.06
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
Joint socket, especially for a hip endoprosthesis, having a socket shell (18) and a socket insert (20) for mounting a joint head. The socket insert (20) has a portion (22) having a spherical outer face (28) and is positionable in a receiving space (24) of the socket shell (18) in such a way that the spherical outer face (28) of the socket insert (20) is in contact with the inner face (30) of the receiving space (24) concentrically with the rotational axis thereof. In the region of concentric contact, the radius of curvature of the inner face (30) of the receiving space (24) of the socket shell (18) is always greater than the radius of curvature of the spherical portion (22) of the socket insert (20). As a result, self-locking clamping between socket insert and socket shell is achieved. The resistance to deformation of at least one of the mutually corresponding faces (28, 30) is reduced with respect to that of the core region of the associated components, especially as a result of the formation of a surface structure (32, 34).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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