An expandable intervertebral implant having an external member and an internal member. The implant includes a locking arrangement having a first interlocking teeth structure formed on the external member and a second interlocking teeth structure formed on the internal member. The interlocking teeth structures...http://www.google.es/patents/US20040162618?utm_source=gb-gplus-sharePatente US20040162618 - Expandable intervertebral implant cage
Número de solicitud: 10/685,767 Número de publicación: US 2004/0162618 A1 Fecha de presentación: 14 Oct 2003 Patente emitida: US7094257 ( Fecha de emisión 22 Ago 2006)