balloon angioplasty: Meaning and Definition of

balloon' an'gioplasty

Pronunciation: [key]
— Surg. Surg.
  1. a method of opening a clogged or narrowed blood vessel in which a small balloon is introduced into the vessel by means of a catheter and then inflated at the site of blockage.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.