Auxiliary breathing device for emergency department

The invention relates to the technical field of medical emergency equipment, in particular to an auxiliary breathing device for the emergency department. Comprising an auxiliary pillow plate, a breathing auxiliary unit and a face fixing unit. The respiration assisting unit comprises a second pillow cushion and two groups of side limiting plates; the second pillow cushion is mounted on the auxiliary pillow plate; the side limiting plates are of a sector-ring-shaped structure, and the two sets of side limiting plates are symmetrically arranged about the center line of the second pillow cushion. A side sensing mechanism and a microswitch are arranged in the side limiting plate, one end of the side sensing mechanism is located outside the side limiting plate, and the other end of the side sensing mechanism can be movably attached to the microswitch. A winding drum installation frame is arranged in the side limiting plate, a servo motor is installed on the winding drum installation frame, and the output end of the