During the surgical procedure, a long thin tube called a catheter is inserted into the artery. This is used to move instruments through the artery to put the stent in place. Here is information about the procedure.
Discharge Instructions for Carotid Artery Stenting
After a carotid artery stenting procedure, you'll watch your incision site for bleeding and take all medicines exactly as prescribed. You'll take it easy. But try to get back to your normal routine as much as possible.