| 摘要 |
PROSTHETIC JOINT SOCKET MEMBER A prosthetic joint socket member, in particular for a hip prosthesis, having a cup element, said cup element comprising a hollow outer shell which is adapted to be affixed to the bone, and an inner shell forming a recess for accommodating a bearing element, said inner shell and said outer shell being spaced radially from each other at a predetermined distance to define an intermediate space therebetween, the outer surface of said outer shell having coaxial threads interrupted by grooves extending transversely to said thread whereby a tapping thread is formed permitting the threads of said outer shell to he screwed into said bone, said outer shell having a plurality of elongated openings connected to said intermediate space to permit loose spongious material to be introduced into and held in said intermediate space during surgical emplacement of said element so as to enhance the growth of new bone tissue into said intermediate space, characterized in that said grooves are formed by said elongated openings extending approximately about the axial length of said outer shell.
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