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:
May. 18, 2004
Filed:
Mar. 29, 2002
Applicant:
Inventors:
Panjian Li, Fort Wayne, IN (US);
Todd Smith, Fort Wayne, IN (US);
Assignee:
DePuy Products, Inc., Warsaw, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/28 ; A61F 2/44 ;
U.S. Cl.
CPC ...
A61F 2/28 ; A61F 2/44 ;
Abstract
A spinal implant is provided to integrate with and support vertebrae in a vertebral column. The spinal implant includes a body and a mineralized, bioactive surface coating chemically bonded to a portion of the body. The coating includes a non-hydroxyl containing carbonated calcium phosphate bone mineral nano-crystalline apatite with chemically adsorbed water having a crystal size less than about 1 &mgr;m. The body of the spinal implant is ring-shaped and defines a central passageway.