Aerating system of anesthesia apparatus and respirator and pressure monitoring method
A ventilation system, airway pressure technology, applied in mechanical pressure/force control, fluid pressure control, respirator, etc., can solve problems such as unstable pressure monitoring, achieve stable pressure control, low cost, and avoid interference effects
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[0031] figure 1It is a schematic diagram of the air circuit system of the pressure monitoring device for the ventilation system of the anesthesia machine or ventilator according to the specific embodiment of the present invention. In this embodiment, the inhalation module includes an inhalation valve 2 , and the exhalation module includes an exhalation valve 7 , an electromagnetic proportional valve 6 and an air resistance 9 for controlling the closing pressure of the exhalation valve. During inhalation, the electromagnetic proportional valve 6 adjusts the closing pressure of the exhalation valve 7 by adjusting the size of the air flow passing through it, so as to achieve the purpose of closing the exhalation valve 7 at the set pressure. After the suction valve 2 is opened, the air supply starts at the set flow rate, and the driving gas flows through the pressure reducing valve 1 and the suction valve 2 through the flow sensor 3 of the suction valve and enters the outer cavity...
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