An object of the present invention is to provide a body position fixture for restraining a subject's body in an examination such as MRI. The body position fixing device includes a body support member configured to wrap a human body, a plurality of belt holding portions attached to the body support member, and a plurality of belt holding portions. Belts 104a-104e attached to the body support member 106b for securing the body support member 102 around the body. The belt holding portions 106a and 106b are arranged so as to be arranged in the circumferential direction of the body. The belt holding portions 106b disposed at both ends in the circumferential direction can selectively release the holding of the belts 104a and 104b. [Selection diagram] Fig. 1【課題】ＭＲＩ等の検査において被験者の身体を拘束する体位固定具を提供する。【解決手段】当該体位固定具１００は、人の身体を包むようにされた身体支持部材１０２と、身体支持部材１０２に取り付けられた複数のベルト保持部１０６ａ、１０６ｂと、複数のベルト保持部１０６ａ、１０６ｂに取り付けられ身体支持部材１０２を身体の周りに固定するためのベルト１０４ａ～１０４ｅとを備える。ベルト保持部１０６ａ、１０６ｂは、身体の周方向に並ぶように配置されている。周方向での両端に配置されたベルト保持部１０６ｂは、ベルト１０４ａ、１０４ｂの保持を選択的に解除可能とされている。【選択図】図１
