Tamura T, Nakajima K, Matsushita T, Fujimoto T, Shimooki S, Nakano T
Institute for Medical and Dental Engineering, Tokyo Medical and Dental University, Japan.
Biomed Instrum Technol. 1995 Jul-Aug;29(4):343-9.
A telemetry system for monitoring urinary incontinence has been developed using two principles, temperature and impedance changes of a diaper. The system is composed of a pair of sensors, a transmitter, and a receiver. Temperature changes are monitored using thermistors, one in the center of the diaper and the other attached to the abdomen, and the temperature differences between them after urinary incontinence is detected. For the impedance method, two electroconductive cloths as electrodes placed in the diaper are used as sensors. Urine acts as a conductor to produce a current between the sensors. Clinical evaluation showed that both methods operate well; 13 of 17 incontinence episodes were detected using the temperature method and 32 of 35 with the impedance method. The misdetections were caused by faulty sensor arrangement for temperature measurement and by detection of exudates by the conductive sensors. These monitors may be used for the care of elderly people who use diapers for home health care, to save care time and help maintain hygiene.
一种用于监测尿失禁的遥测系统已基于温度和尿布阻抗变化这两个原理开发出来。该系统由一对传感器、一个发射器和一个接收器组成。使用热敏电阻监测温度变化，一个热敏电阻置于尿布中央，另一个附着于腹部，检测尿失禁发生后两者之间的温度差。对于阻抗法，将两片置于尿布中的导电布用作电极作为传感器。尿液充当导体，在传感器之间产生电流。临床评估表明两种方法均运行良好；温度法检测出17次失禁事件中的13次，阻抗法检测出35次中的32次。误检测是由温度测量时传感器布置不当以及导电传感器检测到渗出物导致的。这些监测器可用于居家医疗护理中使用尿布的老年人护理，以节省护理时间并有助于保持卫生。
