A laparoscopic surgical technique is provided for preparing a site for implantation of a novel fusion device or implant. In accordance with one embodiment of the technique, a laparoscope is provided having an outer sleeve with distraction fingers at one end to distract the disc space. The laparoscope...http://www.google.es/patents/US6206922?utm_source=gb-gplus-sharePatente US6206922 - Methods and instruments for interbody fusion