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balloon angioplasty

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noun Surgery.
  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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
balloon angioplasty in Medicine

balloon angioplasty

n.
  1. A procedure in which a catheter equipped with a tiny balloon at the tip is inserted into an artery that has been narrowed by the accumulation of fatty deposits. The balloon is then inflated to clear the blockage and widen the artery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.