Transplanter official acquires inferior vena cava efferent tract

The utility model discloses a transplanter official acquires inferior vena cava efferent tract belongs to the medical instrument category, comprises drainage tube and drainage bag. The drainage tube front end is olive form, is equipped with rectangular shape side opening in bar side opening rear to do benefit to abundant drainage, the rear has the fusiformis to expand and follows closely form boss, prevent that the drainage pipeline is narrow because of the ligature tension, or the pine results in the slippage excessively. There is pressure device at the drainage tube middle part, and its bothends are equipped with two pairs of valves arranging towards the tail end respectively, play the effect that prevents blood and backflow. The last syringe connector that is equipped with of pressuredevice is favorable to the drawing blood sample to carry out further inspection, through the heparinize processing, prevents thrombosis plug the pipe before the drainage pipeline uses. The drainage tube is terminal and take of