目前国内医院为病人输氧均系手动开关输氧装置的传统方法，既给医护人员增加劳动强度和思想负担又浪费氧气，工作效率低，甚至在紧急情况下抢救病人时，因一时打不一汗氧气开关而延误抢救时间危及病人的生命。因此，为了方便医护人员在给病人吸氧工作时做到准确、及时，提高工 At present, the oxygen delivery to patients by domestic hospitals is a traditional method of manually switching oxygen delivery devices. It not only increases the labor intensity and ideological burden for medical staff but also wastes oxygen. It is inefficient, and even when a patient is rescued in an emergency, it is not a single sweat. Switching and delaying rescue time endanger the patient’s life. Therefore, in order to facilitate the accuracy and timeliness of the medical staff’s oxygen intake to the patient, the