Patent ID: 6893464

Claim:
An apparatus for spinal fusions comprising: two opposing end plates; and at least two opposing collapsible legs disposed between the two opposing end plates, the two opposing end plates and at least two opposing collapsible legs adapted to be arranged and configured into an expanded cage from a collapsed configuration in which the expanded cage assumes a predetermined rigid shape and volume for disposition between two adjacent vertebrae in a disk space therebetween, and in which collapsed configuration the cage is adapted to being posteriorly inserted into the disk space, wherein the at least two opposing collapsible legs are each comprised of two segments hinged together at or near one end of each segment and hinged to one of the end plates at the opposing end of each segment, wherein the hinge coupling the two segments together at or near one end of each segment flexibly connect the two segments of each leg together, wherein the hinge coupling the two segments together at or near one end of each segment flexibly connect the two segments of each leg together.