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. 24, 1994
Filed:
Apr. 26, 1991
Applicant:
Inventors:
Assignees:
Kyocera Corporation, Kyoto, JP;
Kabushiki Kaisha Biomaterial Universe, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ; A61F / ; A61F / ;
U.S. Cl.
CPC ...
623 18 ; 623 16 ; 623 11 ; 623 17 ;
Abstract
A prosthesis used for a damaged bone, an artificial articular cartilage or an artificial intervertebral disc being characterized in that the prosthesis is a composite body comprising polyvinyl alcohol hydrogel and ceramic or metallic porous body. With this prosthesis, PVA hydrogel enhances lubrication and shock absorbing functions, and the porous body allows the ingrowth and ossification of the bone tissue of a living body therein to affinitively connect said hydrogel to the bones of the living body.
Published as:
EP0505634A1; JPH04303444A; US5314478A; US5458643A; EP0505634B1; DE69127354D1; DE69127354T2; JP3007903B2;