At least of vertebral arch 12a with the head side of the vertebrae 10a of the adjacent vertebrae a first cover part 20 can be secured to vertebrae 10a by covering a portion to be fixed to the vertebrae 10b by covering at least a portion of a vertebral arch 12b having a buttocks side of the vertebrae 10b of the adjacent vertebrae such a second cover portion 30, the joint portion of the first cover portion 20 and the first covering portion 20 can be changed relative position between the second cover portion 30 for connecting the second cover portion 30 40 and, as a spinal brake member 50 that has a, it is possible control the motion of the spine, there is provided a spinal braking device safety is improved.隣接する椎骨のうち頭部側の椎骨10aが有する椎弓12aの少なくとも一部を覆うことで該椎骨10aに固定可能な第1の被覆部20と、隣接する椎骨のうち臀部側の椎骨10bが有する椎弓12bの少なくとも一部を覆うことで該椎骨10bに固定可能な第2の被覆部30と、第1の被覆部20と第2の被覆部30との相対的位置を変更可能に第1の被覆部20と第2の被覆部30とを連結する関節部40と、を備えている脊椎制動具50とし、脊椎の動きを制御可能であり、安全性が向上された脊椎制動具を提供する。
