A small balloon at the end of the catheter is inflated to open the narrowed artery. A metal stent is inserted to prevent the artery from narrowing yet again. If carotid endarterectomy is just not the best option to suit your needs, you might have a method called carotid angioplasty https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/