JP2005278723A5 - - Google Patents

Claims (4)

  In a spine surgical spacer used for laminoplasty in which a vertebral arch is inserted between prosthetic bones to be prosthetic, a mounting surface portion on which the excised self-collected autologous bone or a processed bone processed from the autologous bone is placed And a pair of side wall portions projecting upward from the mounting surface portion and opposed to each other, and a spinal surgery spacer. 2. The spinal surgery spacer according to claim 1 , wherein the placement surface portion has a cross section formed in an arc shape or a substantially trapezoidal shape, and a plurality of holes penetrating the placement surface portion.   The spinal surgery spacer according to claim 1 or 2, wherein a central beam is provided at the center of the pair of opposing side wall portions to support the spinous process separated when returning.   In a method of using a spinal surgery spacer used for laminoplasty in which a spinal process is cut off and then a prosthesis is inserted by inserting a spacer between bones from which the vertebra has been excised, the spine surgical spacer is a self-collected excised Between the excised bone, and a mounting surface portion on which the processed bone obtained by processing the autologous bone or the processed bone is placed, and a pair of side wall portions arranged to protrude above the mounting surface portion and opposed to each other. A self-collected autologous bone or a processed bone obtained by processing this autologous bone is placed on the placement surface portion, and then the autologous bone or the autologous bone placed with the separated spinous process is placed. A method of using a spacer for spinal surgery, characterized by joining processed bones and rebuilding spinous processes.