A prosthetic disc for insertion between adjacent vertebrae includes a core having upper and lower curved surfaces, upper and lower plates, and peripheral restraining structure on at least one of the upper plate, the lower plate and the core. Each plate has an outer surface which engages a vertebra and...http://www.google.fr/patents/US20050021145?utm_source=gb-gplus-shareBrevet US20050021145 - Prosthetic disc for intervertebral insertion
Numéro de demande: 10/855,253 Numéro de publication: US 2005/0021145 A1 Date de dépôt: 26 mai 2004 Brevet délivré: US7753956 ( Date de délivrance 13 juil. 2010)
