Abstract：Objective To repair the flow sensor which was difficult to repair in the ventilator quality control test. Methods The flow
sensor was repaired by alcohol and enzyme washing. Results The flow sensor repaired by alcohol and enzyme washing was qualified
by quality control. Conclusion Alcohol and enzyme washing methods can quickly and effectively repair flow sensors, which can
improve maintenance efficiency and reduce maintenance costs.
李海丰，郑沁春. PB840呼吸机流量传感器工作原理及故障修复方法探索[J]. 中国医疗设备, 2019, 34(3): 174-176.
LI Haifeng, ZHENG Qinchun. Working Principle and Troubleshooting Method of PB840 Ventilator Flow Sensor. China Medical Devices, 2019, 34(3): 174-176.
