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:
Sep. 07, 2004
Filed:
Apr. 26, 2001
Applicant:
Inventors:
Edward W. Merrill, Belmont, MA (US);
William H. Harris, Belmont, MA (US);
Murali Jasty, Weston, MA (US);
Orhun Muratoglu, Cambridge, MA (US);
Charles R. Bragdon, Weymouth, MA (US);
Daniel O. O'Connor, East Taunton, MA (US);
Premnath Venugopalan, Chennai, IN;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/32 ;
U.S. Cl.
CPC ...
A61F 2/32 ;
Abstract
A medical prosthesis for use within a body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radial. Preferred prosthesis exhibits reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacturing wear resistant medical prosthesis and materials used therein are also provided.