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Utilizing radio frequency energy and the heated catheter, the physician cauterizes â or burns â the tissue surrounding your saphenous vein to close it. Balloon angioplasty/stents for renal vascular hypertension is a procedure to open narrowed arteries that carry blood to your kidneys. It involves inserting a long, thin tube called a catheter through into the narrowed part of the artery.
Percutaneous transluminal angioplasty (PTA) of the femoral arteries is a minimally invasive (without a large incision) procedure used to open the blocked or narrowed femoral artery and to restore arterial blood flow to the lower leg without open vascular surgery. A special catheter is inserted into the femoral artery.