The islet pen has a needle. When the needle is inserted, the thinner needle can easily puncture the skin into induration, sometimes bleeding, bruising, swelling or ulceration if you are not careful; while the needleless syringe does not have a needle.

The infusion set cannot be used for blood transfusion, because the needle of the infusion set is too thin, and the blood is viscous, and the blood transfusion process will become slower and slower, so that the needle is blocked and the blood transfusion cannot be continued.

In clinical infusion, nurses often ask questions, can both the infusion set and the blood transfusion set be used for infusion? In response to this problem, we will jointly investigate.