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. 06, 2003
Filed:
May. 25, 2001
Vincent Leclercq, Winterthur, CH;
Bernhard Gyssler, Horgen, CH;
Sulzer Orthopedics Ltd., Baar, CH;
Abstract
A knee prosthesis has a medial condyle ( ) and a lateral condyle ( ), the running surfaces ( ) of which and the counter-surfaces A, B of which that lie on a tibia platform ( ) are sections of spherical surfaces with radii R , R , with their center M ′ and M ′ forming in their vertical projection onto the counter-surfaces A, B the points M , M . The lateral counter-surface B belongs to a lateral meniscus part ( ) which, guided on a plane ( ) of the tibia platform, is pivotal with the point M on a circular arc with radius R about the point M , with the radius R corresponding to the distance a of the centers M ′, M ′.