Consistent aspirator for laparoscopic surgery

The utility model discloses a consistent aspirator for laparoscopic surgery. The aspirator comprises a motor, a negative pressure generating device, an air compressor, a liquid storage battery, a suction tube and a blowdown pipe, wherein the motor is respectively and electrically connected with the negative pressure generating device and the air compressor, the air inlet of the negative pressure generating device is communicated with a liquid storage bottle through a first pipeline, the air outlet of the negative pressure generating device is connected with the air inlet of the air compressor through a second pipeline, and the air outlet of the air compressor is connected with one end of the blowdown pipeline; the liquid storage bottle is located in a sealing state, and the outlet of the suction pipe is connected in the liquid storage bottle through a third pipeline. According to the consistent aspirator, the clear surgery vision can be ensured, a hemorrhagic spot can be found in time, the blood of the hemorrhagic spot can be sucked consistently, and the surgery can be successfully carried out.