Adjusting type brachial artery supporting device for department of cardiology

The invention relates to the technical field of cardiology department instruments, in particular to an adjusting type brachial artery supporting device for the cardiology department. Comprising a fixed cylinder, an airbag structure, a pressure regulating structure and an extension structure, an air cavity is formed in the fixed cylinder; an air pressure sensor is arranged in the air cavity, and a vent hole is formed in the side wall; the air bag structure comprises an air cushion, an air bag strip and a connecting pipe; the air bag strip is of a telescopic structure; the pressure regulating structure comprises a lead screw, a nut sleeve, a pushing plate and a driving structure; the driving structure is configured to drive the lead screw to rotate forwards, so that the nut sleeve and the pushing plate integrally move inwards along the lead screw, the air cavity is extruded, the air pressure sensor reaches a preset value, the air bag strip is pressurized to a preset position, and then the air pressure in the ai