Novel transfusion device having purification apparatus

A novel infusion set with a purifying device of the utility model relates to medical device technical field. The objective of the utility model is to provide a novel infusion set with a purifying device capable of disinfecting and filtering bacteria and hazardous particles in air. The technical proposal of the utility model is that the infusion set consists of a connection peg, a dripping chamber, a guiding tube, an adjusting switch, a needle and an air returning tube connected with a U-shaped tube which has an enlarged bottom and contains disinfection solution. The utility model has simple structure, convenience and practicality, avoids pollution of the liquid in the infusion bottle and greatly increases infusion safety.