A spinal mobility preservation apparatus and methods are disclosed. The spinal mobility preservation apparatus may include a proximal body, an intermediate body, a distal body, and an expandable membrane. The proximal body and the distal body secure the mobility preservation apparatus to adjacent vertebral...http://www.google.fr/patents/US20050149191?utm_source=gb-gplus-shareBrevet US20050149191 - Spinal mobility preservation apparatus having an expandable membrane
Spinal mobility preservation apparatus having an expandable membrane
Numéro de demande: 10/972,176 Numéro de publication: US 2005/0149191 A1 Date de dépôt: 22 oct. 2004 Brevet délivré: US7547324 ( Date de délivrance 16 juin 2009)
