Precautions For Bone Marrow Puncture Needle Puncture

1. After the puncture needle enters the bone, avoid swinging too much to avoid breaking.

2. Do not insert the needle perpendicular to the sternal stem puncture, and do not use excessive force to prevent penetration of the medial bone plate.

3. When aspirating bone marrow fluid, gradually increase the negative pressure. When doing cell morphology examination, the amount of suction should not be too much, otherwise the bone marrow fluid will be diluted, but it should not be too small.

4. Smear should be taken immediately after bone marrow fluid extraction.

5. Bone marrow biopsy should be performed for multiple dry extractions.

6. The syringe and puncture needle must be dry to avoid hemolysis.

7. Checks for blood clotting time and platelets should be done before surgery.

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