Detector based on infectious diseases

The invention discloses a detector based on infectious diseases, and belongs to the field of infectious diseases, the detector based on the infectious diseases comprises a main body, the rear side of the main body is provided with four catheter openings, the outer walls of the catheter openings are movably connected with connecting pipes, and the ends, away from the catheter openings, of the connecting pipes are fixedly connected with intubation tubes; an outer groove is formed in the outer wall of the insertion pipe, two symmetrical sliding grooves are formed in the inner wall of the outer groove, the insertion pipe is movably sleeved with a threaded pipe, movable grooves are formed in the positions, corresponding to the sliding grooves, of the two sides of the threaded pipe, the outer wall of the threaded pipe is in threaded connection with an outer ring, and annular sliding grooves are formed in the top and the bottom side of the outer ring correspondingly. By means of the device, the situations that after