Description
Feature:
- Wearable design,eady to carry
 - Contains 3 vessels with different sizes
 - Venipuncture
 - Support operations og intravenous injection ,blood sampling,etc.
 - There is an obvious feeling while needle penetrates into the vein ,blood flowing back indicates corrrct operation
 - Durable skin,the same puncture point can withstand numerously repeatde exercise
 







