This product designed for drug traffic regulation of disposable infusion sets.Using the regulator adjusting proper maintain drug concentration, safe way of transfusion, prevent excess fluids and the side effects of and give full play to the effect of drugs.This product regulator calibration precision, flow constant speed, improve the safety and efficacy of drugs.Greatly reduce the nurse operation time, fully save tour time, increase the chance of communicating with the patient and family members to establish a good relationship between nurses and patients, improve patient satisfaction of nurses.Some clinical intravenous infusion drugs such as tumor chemotherapy infusion, need the constancy and accuracy of the infusion, avoid adverse reaction.If the infusion speed too fast, can make the blood circulation increases suddenly, the workload on the heart, causing heart failure and pulmonary edema;Such as increased blood concentrations of lead to drug too fast, beyond the scope of security, to produce side effects.Too slow and infusion drugs, blood drug concentration below the proper treatment concentration, and short of effective treatment.Ordinary infusion use round clip to control the speed, which leads to the high error rate, and need a nurse high frequency monitoring and correction