Safe Drippin Lock / medical equipment

SAFE Drippin Lock is a design which can make full use of liquid medicine and patients have no need to care whether the medicine is given out or not.Thus patients can sleep or relax while their transfusion.
When medicine bottle drops finish and the dial goes to zero, SAFE Drippin Lock will cut off the flow of the infusion automatically,and avoid the backflow of blood or air coming into body.