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:
Aug. 19, 2003
Filed:
Jan. 14, 2002
Hans-Georg Pfaff, Ostfildern, DE;
Robert Rack, Plochingen, DE;
Paul Silberer, Waghäusel, DE;
Wilfried Von Chamier, Stuttgart, DE;
Ceramtec AG Innovative Ceramic Engineering, Plochingen, DE;
Abstract
Joint prostheses, in which one joint partner is formed as a socket and the other joint partner is formed as a spherical head which is rotatably mounted in the socket, are known in particular as shoulder-joint and hip-joint prostheses. The force-fit connection, in particular conical jamming, is also used here as the connecting technique between metallic or ceramic spherical heads and the cone. A coupling element ( ) is inserted between the cone ( ) and the spherical head ( ) of the force-fit connection ( ). The elasticity and damping properties of the coupling element ( ) can be predetermined by its porosity and the structure of its surface.