| 摘要 |
PROBLEM TO BE SOLVED: To prevent a bedsore of a bedridden old person or a patient after an operation by displaying a body part where the bedsore is likely to occur to be easily recognized. SOLUTION: A bedsore preventing device A is provided with a sensor sheet 2 inserted under a mattress 10 installed on a bed 1, a multiplexer circuit to sequentially take load signals of pressure-sensitive elements 21, and a controller 3 to calculate a characteristic quantity of load distribution based on the plural load signals taken in, calculate a sleeping attitude of a sleeping person on the bed 1 based on the characteristic quantity of load distribution, and calculate a load applied to each part of a body of the sleeping person based on the calculated sleeping attitude of the sleeping person and the plural load signals, and the sleeping attitude of the sleeping person and hysteresis of the loads applied on the respective parts of the body of the sleeping person are displayed in a monitor 4. |
