An article including a spinal prosthesis having a unitary body with at least three attachment points attachable to spinal structure, the unitary body including a flexure assembly positioned between first and second attachment members, wherein flexure of the flexure assembly permits movement of the first...http://www.google.es/patents/US20070203494?utm_source=gb-gplus-sharePatente US20070203494 - SPINAL PROSTHESES
Número de solicitud: 11/692,202 Número de publicación: US 2007/0203494 A1 Fecha de presentación: 28 Mar 2007 Patente emitida: US7811323 ( Fecha de emisión 12 Oct 2010)