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:
Sep. 24, 1990
Applicant:
Inventors:
Hans-Christoph Meuli, Bern, CH;
Otto Frey, Winterthur, CH;
Assignee:
Protek AG, Berne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ; A61F / ;
U.S. Cl.
CPC ...
623 21 ; 623 16 ; 623 18 ;
Abstract
A finger joint prosthesis is provided with consists of two pegs of sintered hydroxylapatite for anchoring in adjacent finger bones and which is provided with an intermediate slide layer of polyurethane between the pegs to permit relative movement therebetween. The pegs together with the intermediate layer which may be anchored on one of the pegs form concave and convex bearing areas mating with each other to allow a guided motion in the bend-stretch plane.