Cavity gap flusher

The utility model relates to the technical field of traditional Chinese medicine anorectal nursing, and discloses a lacuna irrigator which comprises an irrigating head, two circulation openings are formed in the surface of the irrigating head, a waste liquid collecting assembly is connected into one set of circulation openings in a penetrating mode, and the other end of the irrigating head is connected with a connecting pipe in a penetrating mode. One end of the connecting pipe is in through connection with a pressurizing pipe, the surface of the pressurizing pipe is in through connection with an extension pipe, the interior of the extension pipe is fixedly connected with a filtering assembly, and the top surface of the extension pipe is in through connection with a liquid medicine cylinder. According to the lacuna irrigator, through the arrangement of the stirring assembly, when liquid medicine is heated, an external power source is switched on, a temperature controller controls a plurality of heating pieces