Flow regulator for medical infusion set

The present invention relates to a flow regulator for that by locking in the state that are safe to use the receiver sets the rotation of the flow control knob to control the flow rate of the fluid, in the peripheral direction on the outer circumferential surface show the scale and the value is provided with a connecting piece in the upper central doedoe connected to an upper portion of the body and the said body in the outer equipped group obstacle on the side of the connecting piece it is uneven to be fitted in engagement groups obstacle around the inner peripheral surface of the sphere fastening doedoe the fasteners provided to be connected to the body while the insertion of the body connecting piece in the central portion and a flow rate control lever provided with additional, coupled to an inner upper portion of the connecting piece a locking button that allows a flow control lever can be locked (locking), and is coupled to a lower portion of the locking button to elevate the locking button unloading a flow control lever It includes an unlocking button is to be able to locking (unlocking).