Mechanical thrombectomy: is a medical procedure used to remove a blood clot (thrombus) from an artery or vein using a specialized device. The procedure is typically performed in patients who have suffered from an acute ischemic stroke, which is caused by a blockage in a blood vessel in the brain. During a mechanical thrombectomy procedure, a catheter (a thin, flexible tube) is inserted through a small incision in the groin and guided to the site of the blood clot. A specialized device is then us