Devices, systems and methods for dynamically stabilizing the spine are provided. The devices include an expandable spacer or member having an unexpanded configuration and an expanded configuration, wherein the expandable member in an expanded configuration has a size, volume and/or shape configured for...http://www.google.fr/patents/US8123807?utm_source=gb-gplus-shareBrevet US8123807 - Systems and methods for posterior dynamic stabilization of the spine
Systems and methods for posterior dynamic stabilization of the spine
