Precautions for using venous blood collection needles

1. Read the instructions carefully before using the vacuum blood collection device, and operate in strict accordance with the instructions

2. Try to choose the thickest vein for puncture.

3. After blood collection, first pull out the blood collection tube at the end of the puncture plug, and then pull out the puncture needle.

4. Do not loosen the cap of the disposable vacuum blood collection test tube before use to prevent inaccurate blood collection

5. If several specimens are required for one blood collection, blood should be collected in the following order: blood culture tube, tube without anticoagulant and additives, blood coagulation tube, tube with anticoagulant.

6. The latex sleeve at the end of the puncture needle can prevent the blood from continuing to bleed and pollute the surroundings after the blood collection test tube is pulled out, so as to seal the blood collection and prevent the environment from polluting the environment. Therefore, the latex sleeve cannot be removed.