Includes a lower joint (7) and on the joint (3) to be combined on the basis of vertical positional relationship, the artificial intervertebral disc comprising a removable fixing connection structure for connecting further upper joint (3) and secures the lower joint (7) .上下の位置関係に基づいて組み合わせる上関節(3)と下関節(7)を含み、さらに上関節(3)と下関節(7)を固定して連結する取り外し可能な固定連結構造を含む人工椎間板。