DETECTOR FOR STATE SEPARATED FROM BED

摘要

PROBLEM TO BE SOLVED: To provide a detector for a state separated from a bed for preventing "misreport" or "report failure".

SOLUTION: This detector for the state separated from the bed 2 is equipped with a sensor 3 for detecting a load weight receiving from the bed 2 and a control unit 4 for determining the present state of a patient on the bed 2 and the absent state of the patient on the bed 2 and reporting the state such that the patient is separated from the bed 2 when the transition from the present state to the absent state is determined. By respectively setting "the threshold value in the case of the transition from the absent state to the present state" and "the threshold value in the case of the transition from the present state to the absent state", the transition to the determination of "absent state" due to the behavior of the human body is reduced and the non-detection of the determination of the separation from the bed due to the heavy matter on the bed 2 can be prevented to prevent the occurrence of "misreport" or "report failure".

COPYRIGHT: (C)2004,JPO