A vertebra correcting and fixing device including: a vertebra fixing screw to be threadedly connected to a vertebra; A movable spherical body which can be combined with this vertebra fixing screw; and a clamping screw threadedly connected to the movable spherical body. The movable spherical body is substantially...http://www.google.fr/patents/US20020082601?utm_source=gb-gplus-shareBrevet US20020082601 - Vertebra correcting and fixing device
Numéro de demande: 10/034,211 Numéro de publication: US 2002/0082601 A1 Date de dépôt: 26 déc. 2001 Brevet délivré: US6660005 ( Date de délivrance 9 déc. 2003)