The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 1987
Filed:
Aug. 23, 1985
Harlan C Amstutz, Pacific Palisades, CA (US);
J Michael Kabo, Los Angeles, CA (US);
The Regents of the University of California, Berkeley, CA (US);
Abstract
An artificial hip joint includes a socket or acetabular portion and a femoral portion secured to the upper leg bone or femur. A continuous metal acetabular cup for an artificial hip joint is provided with a right cylindrical portion and chamfered dome which is of porous titanium or other suitable material, including a coating of either sintered fibers or sintered small particles such as spheres, to encourage early bone ingrowth, following force fit insertion of the cup into the acetabulum. A plastic insert having a central recess for receiving the femoral ball, is inserted into the cup and includes interlockng elements for holding the plastic insert firmly into the metal cup and against rotation, and a flange extending over the lip of the metal cup to preclude metal to metal contact.