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Balloon angioplasty is minimally invasive procedure used in the treatment of coronary artery disease (CAD). CAD affects more than 15 million people in the U.S., making it the most common form of heart disease. CAD most often results from a condition known as atherosclerosis. Balloon angioplasty involves the use of angioplasty balloons inserted into the coronary arteries to access the atria and the ventricles.

Angioplasty is a minimally-invasive surgical procedure used to expand the size of blocked or narrowed veins, usually to treat cardiovascular varicose veins (veins that narrow in the body's blood vessels). This procedure involves the use of a balloon catheter inserted into a vein, which is inflated to create an erection. The resulting angioplasty balloons create a "balloon" effect that forces the blood through the narrowed vein, which enlarges it.