Abbott's Coronary Dilatation Catheters are indicated for use in the following cardiac procedures:

balloon dilatation of the stenotic portion of a coronary artery or bypass graft stenosis, for the purpose of improving blood flow to the heart;
balloon dilatation of a coronary artery occlusion (blocked or clogged artery), for the purpose of restoring coronary blood flow in patients with ST-segment elevation myocardial infarction (heart attack); and
balloon dilatation of a stent after implantation (2.00 mm - 5.00 mm balloon models only).