Plaque is a buildup of fat, cholesterol and other substances in an artery's lining. Atherectomy is a minimally invasive procedure used to remove plaque in an effort to increase blood flow. A catheter is inserted through a tiny puncture site in the leg and is advanced through the artery to the site of the blockage. A tiny rotating blade inside the catheter shaves away plaque from inside the artery. As it is excised, the plaque collects in the tip of the device and then is removed from the patient. This procedure has helped alleviate severe leg pain for thousands of patients.
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