Abstract
Nurse call system transmit the information from the biological sensors and the nurse call button to the nurse. The information from the nurse call is effective to grasp the condition of the patient. However, too many alarms cause the delay corresponding to the nurse call. The author thought that analyzing the log of nurse-call is applied to improve the reliability of nurse call. We will report the progress of this research, which is the result of the analyze of the record of nurse call, and the relationship of the parameters which contains in the log.
