PHYSICAL CONDITION DETECTING DEVICE, PHYSICAL CONDITION DETECTING METHOD AND BED SYSTEM

摘要

Provided is a physical condition detecting device (100) which detects the physical condition of a subject on a bed. The physical condition detecting device (100) is provided with: a plurality of weight detectors (11, 12, 13 14) which are provided in a bed or under the legs of the bed and detect a change in weight according to the respiration of the subject; and physical condition detecting units (32, 33) which determine the direction in which the body axis of the subject extends and/or the disposition of the head of the subject on the basis of the detected weight change.