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专利权人:
ZIMMER TECHNOLOGY; INC.
发明人:
申请号:
EP06839696.9
公开号:
EP1945146B1
申请日:
2006.11.03
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
An acetabular component for a prosthetic hip joint generally consists of an acetabular shell and an acetabular liner. The acetabular liner includes a cup portion and at least one constraining portion. The cup portion has a hemispherical or dome-shape that defines a hemispherical cavity for receiving a femoral head of a femoral component. The constraining portions may include extensions for retaining the femoral head in the cavity of the cup portion. The liner further includes cutout portions between the constraining portions. The acetabular liner is rotatable within the acetabular shell to provide a complete range of motion to the femoral component without fear of impingement, subluxation, or dislocation of the femoral head. The constraining portions may include inclined surfaces to induce rotation of the acetabular liner within the acetabular shell.
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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