a surgical technique for restoring normal blood flow through an artery narrowed or blocked by atherosclerosis, either by inserting a balloon into the narrowed section and inflating it or by using a laser beam
angioplasty in American English
(ˈændʒioʊˌplæsti)
noun
any of various techniques for repairing or replacing damaged blood vessels using surgery, lasers, or tiny inflatable balloons at the end of a catheter that is inserted into the vessel