检测柔性肠道压力的生物反馈传感器研制

his paper proposes a bionic feedback sensor for detecting pressure of live flexible anal canal. The structure and the characteristics of this type of sensor are also discussed thoroughly. A silicon pressure resistor pressure sensor is used in this type of sensor. This type of sensor is packed into a cuff through a special package. It is fixed at the end of the anal canal. The pressure from the the anal canal is transmitted to the silicon pressure resistor pressure sensor through the cuff. The sensor can detect the pressure of the anal canal. A MCU is used to sample the pressure detected by the sensor in real time. The value of the pressure is transmitted outside through wireless transmission. A receiver can show the value in real time. The patient can know the pressure. This can compensate the function of "feeling" from the anal canal. The results of experiments prove that the bionic feedback sensor has excellent linear property.