Nasal cavity operation aspirator with knife

One end of a handheld part is connected with a negative pressure connector, the other end of the handheld part is connected with a short straight pipe, the other end of the short straight pipe is bent and then connected with a long straight pipe, the other end of the long straight pipe is a suction port, a knife rest plate is arranged in the suction port, and the knife rest plate is fixed to the inner wall of the suction port in the axial direction of the long straight pipe. Or the pipe wall, close to the suction opening, of the long straight pipe is punched in the axial direction to form a tool rest plate, a small blade is movably installed on the tool rest plate, and the front end of the small blade extends out of the suction opening by 3-5 mm. The small blade can be detached, the small blade and the knife rest plate are small and exquisite, the influence on the suction opening is small, the small blade directly faces the suction opening, the suction effect is very good when the intranasal tissue is cut, th