PROBLEM TO BE SOLVED: To provide an improved device for replacement of one or more vertebrae and/(or) one or more disc spaces in the vertebral column.SOLUTION: A vertebral replacement device 10 for supporting adjacent vertebrae includes a vertebral body member with at least one of an upper disc replacement member 30 or a lower disc replacement member 40 engaged at one end thereof. The disc replacement member can be arranged within the disc spaces in the vertebral column when the disc replacement member gets into a non-engagement condition with the vertebral body member.COPYRIGHT: (C)2009,JPO&INPIT【課題】脊柱内の1つ又はより多数の椎骨及び(又は)1つ又はより多数の椎間板空間を置換する改良された装置の提供。【解決手段】隣接する椎骨を支持する椎骨置換装置10は、その一端にて係合した上側椎間板置換部材30又は下側椎間板置換部材40の少なくとも1つを有する椎骨体部材を備えている。椎間板置換部材は、椎骨体部材から非係合状態となったとき、脊柱の椎間板空間内に配置することができる。【選択図】図2