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:
Mar. 03, 1992
Filed:
Oct. 23, 1990
Applicant:
Inventor:
Alan M Ashby, Maidenhead, GB;
Assignee:
Howmedica International Inc., Shannon, IE;
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 16 ; 606 95 ;
Abstract
A centralizer for the stem of a prosthetic orthopedic implant adapted for implantation into a medullary canal has a hollow annular body portion. The annular body portion has an interior for receiving the stem of the implant. The body portion also includes at least three spring elements extending outwardly from the exterior surface of the body portion. Each spring element has a portion thereof extending generally tangentially with respect to the axial extent of the tapered stem and deformable circumferentially and inwardly towards the stem upon insertion into the medullary canal.