The invention relates to a device (100) for accommodating a person (25) and for partially limiting the freedom of movement of the person (25) accommodated in the device (100), comprising a platform (7a) and a first annular part (13) arranged above the platform (7a) for surrounding the at least one person (25), wherein the annular part (13) can be rotated in relation to the platform (7a), wherein the annular part (13) can be moved up and down in relation to the platform (7a).
