Internal hydrops draw -out device

The utility model provides an internal hydrops draw -out device including the cylinder, is equipped with the piston in the cylinder, the cylinder front end is equipped with the syringe needle, be equipped with the check valve in the syringe needle, cylinder front end lateral wall links to each other with the one end of fluid -discharge tube, and the other end of fluid -discharge tube links to each other with the hydrothorax receiving flask, entry at the fluid -discharge tube is equipped with the check valve, outwards draw the piston, internal hydrops is in the check valve of syringe needle gets into cylinder anterior segment cavity, and when extraction hydrops, because the piston moves backward, the check valve is closed, and the check valve is opened, when piston during to the internal motion, the hydrops in the cylinder is pressed and is opened the check valve, and the check valve is closed, and the hydrops is in the fluid -discharge tube gets into the hydrothorax receiving flask, have simple structure, characteristics easy and simple to handle.