Product introduction:
▇ The venous vascular system is mainly distributed in the cubital fossa, which can be used for intravenous injection, infusion (blood), and blood draw puncture exercises.
▇ There is an obvious sense of miss when the needle is inserted, and there is obvious blood return from the correct puncture.
▇ The same puncture site of veins and skin can withstand hundreds of repeated punctures without leakage.