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:
Oct. 26, 1999
Filed:
Aug. 28, 1997
Applicant:
Inventors:
Jean-Michel Drouin, Evreux, FR;
Bernard Cales, Evreux, FR;
Assignee:
Norton Desmarquest Fine Ceramics, Evreux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 23 ;
Abstract
The invention relates to a ceramic hip joint prosthesis head for use with a trunnion, the trunnion having a frustoconical end comprising a first section having a diameter of about 12 mm which expands inward at a total angle of about 6 degrees to form a second section having a diameter of about 14 mm, wherein each head comprises: