Get the Best Treatment for Angioplasty by our Best Angioplasty Doctor in Bangalore | Best cardiologist in Bangalore Dr. Ameet oswal says Angioplasty is a medical treatment used to open-up narrow or blocked blood vessels. The procedure is performed by inserting a small, hollow tube called a catheter through the vessel that is guided to the location of the blockage. Once in place, wire is passed into the blocked artery and then a balloon catheter is placed against the block the balloon is inflated, which spaces the vessel and restores blood flow, lastly, a Drug Eluting stent is placed. Cardiologists use angioplasty to treat a number of conditions, including heart disease, peripheral artery disease, and renal artery disease.