Used together with blood collection needle for blood collecting in clinic and test in lab
1. Make sure of the instruction and label on the product certification in the package.
2. Check whether the vacuum blood tube to be damaged, polluted, leaked or not.
3. Make sure of the volume of blood.
4. Use one end of blood needle to puncture skin and puncture the blood collection tube using the other end after the blood returns.
5. Remove the blood needle when the blood rose to the scale, Invert tube 5-6 times after collection.