【SPECIFICATION】
1. Baby intravenous mainly head and neck vein injection.
2. elbow arm around the middle of the axilla and hand vein puncture.
3. Department of intravenous umbilical cord, blood, catheter insertion needle practice.
4.There is obvious feeling when needle penetrates into the veins , blood flashback indicates proper insertion
5. static venous blood vessels and skin and skin of the same puncture site can withstand hundreds of repeated puncture not leakage.