Sputum aspirator

The utility model relates to the field of medical instruments, and particularly discloses a sputum aspirator which comprises a liquid collecting bottle, a sputum suction tube and an exhaust tube, the tail end of the sputum suction tube is communicated with an inner cavity of the liquid collecting bottle, a suction hole is formed in the head end of the sputum suction tube, and the tail end of the exhaust tube is communicated with the closed inner cavity of the liquid collecting bottle; a weight increasing part for increasing weight is arranged at the head end of the sputum suction tube; the side wall of the liquid collecting bottle is rotationally connected with a rotating rod used for winding the sputum suction pipe, and the end, away from the liquid collecting bottle, of the rotating rod is fixedly connected with a drive plate. The sputum suction tube can be conveniently fed into the trachea of a patient, and one-hand operation is facilitated. 本实用新型涉及医疗器械领域，具体公开了一种吸痰器，包括集液瓶、吸痰管和抽气管，所述吸痰管的尾端与集液瓶的内腔连通、头端设有吸引孔，