Tazuna rapid exchange PTCA balloon catheter is intended for use during percutaneous transluminal coronary angioplasty (PTCA) for the purpose of improving myocardial blood flow in a localized stenotic lesion of the coronary arteries. Tazuna is a high performance balloon utilizing a combination of Terumo̢۪s technologies to improve crossability and pushability to treat the most complex lesions.