Pressure control device and method for double-level respirator
A pressure control and ventilator technology, applied in the field of medical devices, can solve the problems of aggravating the patient's breathing disorder, the inability to change the breathing frequency significantly, and the mismatch of the patient's breathing state, so as to achieve a stable and reliable final output pressure.
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[0023] The present invention will be further described below in conjunction with the accompanying drawings.
[0024] like figure 1 Shown, a kind of bilevel ventilator pressure control device is characterized in that: comprising:
[0025] Turbo fan: used to generate compressed air;
[0026] Turbo fan drive controller: used to drive the turbo fan, the turbo fan drive controller includes a servo controller, and the servo controller is a closed-loop system controlled by a feedforward controller and a feedback controller;
[0027] Sensor: used to detect the actual pressure of the patient's airway in real time;
[0028] Air path: formed by a hose connection, the turbo fan is connected to the nasal mask through a hose to form an air path, between the sensor and the turbo fan drive controller and between the turbo fan drive controller and the turbo fan They are connected by electric wires, and the sensor is also communicated with the hose.
[0029] The feed-forward controller is u...
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