04328593 is referenced by 126 patents and cites 12 patents.

A prosthesis for forming the spherical part of a hip joint with a calotte-shaped cap is disclosed. The inner surface of the prosthesis is provided with grooves and ribs which are evenly distributed over the circumference of the inner surface and extend along planes which, in turn, extend through the rotational symmetry axis of the outer cap surface. A sleeve having jacket is provided with holes is rigidly secured at the inner end of the inner cap surface on the cap and projects partly out of the latter. The ribbing of the inner cap surface and the sleeve permit the prosthesis to be firmly and durably secured in an operation on the bone without cement.

Title
Universal joint prosthesis with cap
Application Number
6/157278
Publication Number
4328593
Application Date
June 6, 1980
Publication Date
May 11, 1982
Inventor
Fritz Straumann
Waldenburg
CH
Franz Sutter
Niederdorf
CH
Agent
McGlew and Tuttle
Assignee
Institut Straumann
CH
IPC
A61F 1/24
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