Disposable safety transfusion device

The utility model discloses a disposable safety transfusion device, which comprises a transfusion channel. A liquid-receiving needle, a liquid-receiving flexible pipe, a drop bucket, a filtering member, a vein needle connecting tube and a vein needle tube communicated and connected with each other are successively arranged in the transfusion channel. A flow regulator is sleeved on the outside of the liquid-receiving flexible pipe. The disposable safety transfusion device is characterized in that the transfusion channel is equipped with a one-way valve. The one-way valve comprises a valve body and a valve core. When the pressure at the outlet of the inner cavity of the valve body is greater than the pressure at the inlet of the inner cavity of the valve body, the one-way valve is automatically closed. The disposable safety transfusion device prevents air from entering a human body and avoids the blood counter-flow. Meanwhile, the soup or blood utilization rate is fully improved. Therefore, the disposable safet