The angioplasty procedure is intended to improve blood flow to your heart muscle. During angioplasty surgery, a catheter with a balloon at the tip is placed into the narrowed blood vessel. The balloon is used to open the narrowed blood vessel and increase the blood flow to your heart muscle.

A balloon is inserted into the narrowed area

The balloon is inflated, flattening plaque against the artery walls.

The artery is widened, improving blood flow.