Flow regulator for IV tubing set

A flow regulator connectable to an infusion tube of a IV tubing set for adjusting liquid flow through the infusion tube, the IV tubing set having a needle holder and an infusion needle at one end of the infusion tube, the flow regulator comprising:

• a housing, said housing comprising an body, a through hole longitudinally extended through front and rear sides of said body for the passing of the infusion tube;
• a regulation controller installed in said housing and adapted to apply pressure to the infusion tube extended through the through hole of said housing;
• and
• a receiving barrel, said receiving barrel comprising an body fixedly fastened to said housing, a receiving chamber defined in the body of said receiving barrel and adapted to receive the infusion needle of the IV tubing set with which the flow regulator is used, and a first opening in one end of the body of said receiving barrel through which the infusion needle of the IV tubing set is inserted into said receiving chamber.