Bone marrow puncture needle common posterior superior iliac spine or anterior superior iliac spine

The posterior superior iliac spine or anterior superior iliac spine of the pelvis is usually selected for bone marrow puncture. The bony marks of this site are clear and there are no large vessels and nerve trunks around, so it is safe. If the materials for multiple puncture are not satisfactory, sternum puncture is optional in a few cases. As long as the oblique needle is performed (the needle is inserted at 30 degrees to 45 degrees with the sternum), it is safer not to penetrate the sternum. Before puncture, local anesthesia should be carried out at the puncture point. The anesthetic drug is from the skin and subcutaneous to the periosteum on the bone surface, so the puncture will not bring pain to the patient. Skilled operators usually finish in about ten minutes, so there is no need to worry. It is not advisable to wash the puncture site (including bathing) two to three days after the local application of sterile dressing to avoid local infection.

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