A device for supporting a patient is used with a computer-tomography (CT) device. The patient to be examined is to be introduced into an opening in a gantry of the CT device. The patient supporting device has a height-adjustable device disposed laterally with respect to the gantry opening and permits the height of a support for a patient to be adjusted. A support arm extends from the height-adjustable device to a fixture for supporting a stretcher and is rotatable with respect to the height adjustable device.