Systems and method in accordance with embodiment of the present invention can includes a distractible implant comprising a distracting insert and a body having a first part and a second part adapted to be positioned between adjacent spinous processes of cervical vertebrae. The distracting insert can...http://www.google.es/patents/US7695513?utm_source=gb-gplus-sharePatente US7695513 - Distractible interspinous process implant and method of implantation
Distractible interspinous process implant and method of implantation
