Stem cells are collected by aspirating bone marrow from the back of the patient’s pelvis. The bone marrow aspirate is a bloody substance that is removed from the pelvis through a small needle. There is usually minimal discomfort with this procedure since the area is well anesthetized with a local anesthetic. This aspirate contains mesenchymal stem cells, platelets, and other types of growth factors. The bone marrow is then placed into machine called centrifuge. This machine spins the bone marrow at a very fast speed causing the stem cells and platelets to be separated from the rest of the blood products. It is this concentration of stem cells and other critical factors found in bone marrow that is injected back into the injured area.
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