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:
Aug. 27, 1996
Filed:
Oct. 21, 1994
Applicant:
Inventors:
Edward B MacMahon, Middleburg, VA (US);
Mark Forte, Pine Brook, NJ (US);
Assignee:
Osteotech of Virginia, Middleburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 22 ; 623 18 ;
Abstract
An acetabular cup includes a plurality of bone receiving depressions on its convex exterior surface. Bone, obtained from the femoral head of the hip to be replaced, is morselized and then compressed in the bone receiving depressions. The dense bone on the exterior surface of the acetabular cup serves as a graft and acts as a new subchondral bone. The bony fixation technique may be used on other prosthesis (e.g., shoulders, and the like). Variations in size, shape, depth and distribution of the recesses can be modified to make this form of fixation applicable to all forms of bone/prosthesis fixation.