Opening and closing type device for assisting bronchoscope in measuring inner diameter of trachea

The utility model discloses an opening and closing type device for assisting a bronchoscope in measuring the inner diameter of a trachea, which belongs to the technical field of medical instruments and comprises a catheter, a display screen is fixedly connected to the top end of the catheter, a handle is fixedly connected to the top of the display screen, and a control panel is arranged on the handle. A guide head is fixedly installed at the bottom end of the catheter, a protection groove is formed in the guide head, a camera is fixedly installed on the inner wall of the protection groove, and an opening and closing assembly is arranged in the guide head and located above the camera. Deviation between the moving direction of the forceps body and the trajectory of the trachea is avoided, so that discomfort of a patient caused by the forceps body is reduced, meanwhile, the opening degree of the forceps body is conveniently controlled according to the internal state of the trachea, and the practicability of equi