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Jamshidi needle

(jam-SHEE-dee NEE-dul)
A long, hollow needle with a tapered cutting edge on one end and a handle with a place to attach a syringe on the other end. It is used to remove a sample of tissue from the bone marrow. The needle is inserted through the bone into the bone marrow and the syringe is attached to the top to remove the sample or to deliver drugs or fluid into the bone. A Jamshidi needle is a type of bone marrow needle.
Bone marrow aspiration and biopsy; drawing shows a patient lying face down on a table and a bone marrow needle being inserted into the hip bone. An inset shows a close up of the needle being inserted through the skin and hip bone into the bone marrow.Enlarge this image in new window
Bone marrow aspiration and biopsy. After a small area of skin is numbed, a long, hollow needle is inserted through the patient's skin and hip bone into the bone marrow. A sample of bone marrow and a small piece of bone are removed for examination under a microscope.
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