Iv infusion set from the catheter, drip bucket, flow ... regulator, liquid filters and other components, supporting single-use intravenous needle (needle) in the 100,000 purification plant to ... duct to drain, close the flow regulator.4, the intravenous needle (needle) by aseptic method of piercing the vein, ... first aid, life-sustaining blood transfusion instrument. PVC Iv Infusion Set single use