Introduction of blood collection process by blood collection manufacturer
1. Routine disinfection, take off the sheath of the blood collection needle, hold the blood collection needle (black handle) to puncture the vein and return blood
2. Pull out the sheath of the other end of the blood collection needle (yellow base), then insert it into the vacuum tube, and take blood to the required amount ((3M1)
3. If more blood collection is needed, the required vacuum tube can be connected again. Note: once the blood enters the blood collection vessel, the tourniquet will be released; multi tube blood collection sequence: blood culture red head tube blue head tube black head tube purple head tube other tubes
4. Blood collection with anticoagulant should be reversed and mixed 5 times in time, and the action should be gentle and slow
5. The end of blood collection: first pull out the vacuum tube, and then remove the needle from the patient's elbow to stop bleeding
