Double-scale accurate constant-speed and quantitative regulator for transfusion

The invention discloses a double-scale accurate constant-speed and quantitative regulator for transfusion. The regulator comprises a fixed base; a liquid inlet and a liquid outlet are formed below the fixed base; a movable flow speed adjusting plate is fixed above the fixed base; a seal gasket is arranged between the fixed base and the flow speed adjusting plate; a passage communicated with the liquid inlet and the liquid outlet is formed in the seal gasket; the transfusion flow speed regulation is achieved by using passages of different pore diameters; a flow speed identification is arranged on the regulator, and comprises a dial and a corresponding flow speed indicator. According to the regulator, through the change of the liquid passage, the transfusion flow speed and flow are accurately, quickly and stably controlled, meanwhile, the transfusion flow speed and the transfusion flow are conveniently and intuitively read, the single hand operation is facilitated, the regulator meets various clinical use habits and various application environments, and the transfusion safety is ensured. When the state of an illness of a common patient deteriorates suddenly, the urgent requirement of accurate control of transfusion is quickly met, and the aid time is gained.