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:
Jun. 21, 2011
Filed:
Sep. 11, 2003
Applicants:
Lutz Biedermann, Villingen, DE;
Jurgen Harms, Karlsruhe, DE;
Inventors:
Lutz Biedermann, Villingen, DE;
Jurgen Harms, Karlsruhe, DE;
Assignee:
Biedermann Motech GmbH, VS-Schwenningen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
An intervertebral disk prosthesis is disclosed. The intervertebral disk prosthesis is has a base plate, a top plate opposite the base plate, and an intervening core located between the top plate and base plate. One of the plates has a first concave contact face facing the core, which has a adjacent first convex contact face. A groove is provided around one of contact faces in which an elastic ring is placed. When placed in the groove, the elastic ring is also in contact with the opposite contact face.