Precautions for bone puncture

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

2. The puncture of the manubrium should not be inserted vertically, and excessive force should not be used to prevent penetration of the medial bone plate.

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

4. The smear should be smeared immediately after the extraction of bone marrow fluid.

5. Bone marrow biopsy should be performed when multiple dry aspirations are performed.

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

7. Checks such as blood clotting time and platelets should be made before surgery.

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