Instructions:
Open the small package, take out the tourniquet, gently press the tourniquet to lock the raft button on the valve, the valve button will pop up automatically, pull out the elastic band with a length of about 20-35cm, depending on the thickness of the patient's upper arm, and then insert the valve button back Lock the valve so that a 7-11cm tourniquet ring is formed. Put the ring into the upper arm of the patient's infusion (blood), and tighten the elastic band until it conforms to the normal infusion state. Because the patient's vein is compressed, the blood is blocked when the blood is returned, and the vein is dilated. The infusion (blood) needle can be inserted at the dilated vein. After the routine observation of the infusion (blood) is completed, the valve on the tourniquet locking valve can be lightly pressed. Raft buckle, the valve buckle pops up automatically, loosen the tourniquet and take it out. It can be taken out after conventional