外科植入体.部分与全部髋关节假体.第2部分:金属,陶瓷与塑料制成的关节面

[中文适用范围]： ISO 7206 的这一部分规定了提供球窝结构关节置换的全髋关节假体和部分髋关节假体的关节表面要求，如下： a) 部分髋关节金属和陶瓷股骨假体的球形度和表面光洁度要求符合 ISO 7206-1 分类 a) 的髋关节置换术； b) 双极头的球形度和表面光洁度要求，该双极头具有塑料内表面，铰接在符合 ISO 7206-1 分类 a) 的股骨组件上，并且具有金属或陶瓷外表面，铰接在生物髋臼上； c) 塑料髋臼部件的球形度和表面光洁度要求以及尺寸公差符合 ISO 7206-1 的分类 b)； d) 全髋关节假体金属或陶瓷股骨部件的球形度和表面光洁度要求以及尺寸公差，符合 ISO 7206-1 分类 c)，设计用于在塑料髋臼部件上进行关节连接。 [外文原描述]： ISO 7206-2:2011 specifies requirements for the articulating surfaces of those types of total and partial hip joint prostheses that provide a joint replacement of ball and socket configuration, as follows: sphericity and surface finish requirements for metallic and ceramic femoral prostheses for partial hip joint replacement that are in accordance with classification a) of ISO 7206-1; sphericity and surface finish requirements for bipolar heads with plastics inner surfaces which articulate on femoral components that are in accordance with classification a) of ISO 7206-1 and with metallic or ceramic outer surfaces which articulate on the biological acetabulum; sphericity and surface finish requirements and dimensional tolerances for plastics acetabular components that are in accordance with classification b) of ISO 7206-1; sphericity and surface finish requirements and dimensional tolerances for metallic or ceramic femoral components of total hip joint prostheses that are in accordance with classification c) of ISO 7206-1, designed to articulate on plastics acetabular components.