Exhaust device for extracorporeal circulation cardiac surgery

The invention discloses an exhaust device for extracorporeal circulation cardiac surgery, and relates to the technical field of extracorporeal circulation exhaust, the exhaust device comprises a puncture needle, the output end of the puncture needle is fixedly provided with a hose, the other end of the hose is detachably connected with a control valve, the output end of the control valve is detachably connected with an air delivery pipe, and the other end of the air delivery pipe is detachably connected with a detector. The control valve is arranged, the exhaust rate is controlled, instantaneous excessive exhaust is avoided, the detector is arranged in the middle, the exhaust state can be displayed in real time, medical staff can conveniently know the exhaust condition in real time, and the medical staff can conveniently and rapidly know the exhaust condition. The filter is arranged to filter gas and foreign matters and then discharge the filtered gas and foreign matters into the environment, so that the emis