What Is Medical Bone Marrow Puncture Needle?

Bone marrow puncture is a means to extract a small amount of bone marrow fluid to examine the hematopoietic system. It is one of the most important measures to examine blood diseases.

As we know, red bone marrow is the main hematopoietic organ in the body, which is retained in the spinal canal, sternum, ribs, clavicle, scapula, ilium, skull and bone cancellous in the upper end of femur and humerus. The most common puncture site is the posterior superior iliac spine or anterior superior iliac spine of the pelvic bone, and the tibia can be pierced in children. Because these places won't hurt viscera and facilitate operation, it is very safe. During the specific operation, after local anesthesia to the periosteum, a bone marrow puncture needle was used to Pierce the bone marrow cavity, and a small amount of bone marrow fluid (about 0.2 ~ 0.3mL) was extracted for examination. The puncture site could heal within 1 ~ 2 days. In some special cases, spinal fluid from the sternum or vertebrae may be extracted.

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