Including veins in the hands and arms. The medical education network collects and sorts out these veins, which are superficial and safe. Elbow vein is used for emergency infusion.

2. Scalp veins

It is mostly used for infants, because there are many superficial scalp veins in children, which are easy to fix and have unlimited activities.

3. Veins of lower limbs

Mainly the arch of dorsal vein of foot and great saphenous vein. Because of the limited activity of lower limbs and great danger, it is rarely used.

Extended data

Matters needing attention

1, strict aseptic operation must be carried out to prevent infection.

2. If the bright red blood is drawn, it means that the artery has been mistakenly entered, and the puncture point should be pulled out immediately and pressed for 5 minutes.

3, try to avoid repeated puncture, general puncture 3 times unsuccessful should stop.

4. After puncture, compress properly to stop bleeding and prevent local thrombosis.