A stent is a small wire coil. In this method, your physician employs a balloon to widen a narrowed segment on the artery. They then put a stent inside of to maintain the artery open. Your carotid arteries are the major blood vessels that deliver blood for your brain. 1 https://www.sgvascularctr.com/treating-carotid-artery-disease-an-overview-of-treatment-options-in-singapore/