How to judge whether the living bone marrow is full?

1. The sites were selected from the posterior superior iliac spine or the anterior superior iliac spine.

 2. Local routine disinfection, local anesthesia, sterile drape, and the needle tube on the handle.

Medical Education Network Collection and Arrangement

3. Before surgery, the left thumb and index finger compress the skin at the puncture site, hold the handle in the right hand to insert the needle clockwise to a certain depth in the bone, pull out the needle core (including the handle), and connect 1.5cm or 2.0cm to the back of the needle seat Connect the post, insert the needle core, continue to insert the needle clockwise to a depth of about 1.0cm, then turn the needle tube 360 degrees, and the groove at the front end of the needle tube can separate the bone marrow tissue.

4. Withdraw the needle clockwise to the outside of the body, take out the biopsy bone marrow tissue, and fix it in 95% ethanol or 10% formaldehyde for inspection.

Medical Education Network Collection and Arrangement

5. The puncture site was coated with 2% iodine tincture cotton balls and lightly pressed, then dry cotton balls were used to compress the wound, sterile gauze was applied, and tape was fixed.

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