| abstract |
The utility model discloses a respirator, which relates to the technical field of medical equipment. It comprises a ventilating main pipe provided with an exhalation discharge port, an oxygen input port and a breathing gas exchange channel port. One end of the ventilating main pipe is connected with a soft rubber The breathing bag is equipped with an adjustment knob for adjusting the output volume on the exhalation outlet port; a one-way valve is arranged on the oxygen input port; the breathing gas exchange channel port is arranged between the exhalation outlet port and the oxygen input port. The adjustment knob is respectively provided with five grades of scales corresponding to the five air outlet holes for adjusting the air output volume. The utility model can solve the problem that the ventilation volume discharged by exhalation cannot be adjusted according to the patient's spontaneous breathing situation, the oxygen concentration is not easy to control, and the accumulation of carbon dioxide exhaled by the patient is easy to occur, and because the breathing bag cannot expand or contract with the patient's breathing, Observe the patient's breathing rate or breathing strength from the breathing bag. |