Patent ID: 8519352

Claim:
A radiation monitor comprising: a pair of hand monitoring units, each having a fixed detecting unit and a movable detecting unit arranged to face against the fixed detecting unit and to be movable reciprocatingly in a direction facing the fixed detecting unit, the hand monitoring units being adapted to receive a hand of an examinee with one of a palm or back of the hand facing the fixed detecting unit and the other facing the movable detecting unit; an urging unit urging the movable detecting unit in a direction separating the movable detecting unit from the fixed detecting unit; a pressing member arranged between the fixed detecting unit and the movable detecting unit, the pressing member being pressable by the hand of the examinee; and an interlock mechanism moving the movable detecting unit against an urging force of the urging unit in a direction approaching the fixed detecting unit according to an amount of pressing of the pressing member.