Patent ID: 8918932

Claim:
An apparatus comprising: a bed configured to support a subject and having an insertion hole through which a subject portion which is part of the subject is inserted; a compression mechanism including two compression plates and configured to hold and compress the subject portion when the subject portion is inserted in an insertion direction through the insertion hole; a manipulation opening formed on one side of the compression mechanism and substantially perpendicular to the insertion hole, wherein the manipulation opening is configured to allow an operator to manipulate the subject portion inserted through the insertion hole; and a receiving plate disposed on another side of the compression mechanism at a position away from the manipulation opening and within a range of the insertion hole when viewed from the insertion hole in the insertion direction, wherein the receiving plate is arranged at a position facing a back surface of the bed, such that the receiving plate is arranged in contact with upper surfaces of the two compression plates and at substantially the same height of the upper surfaces of the compression plates.