stent and catheter for implantation and supporting blood circulation into blood vessels with an empty and filled balloon

anatomy angioplasty aorta arteries artery atherosclerosis attack background balloon blocked blood brain bypass cardiac cardiology catheter cell cholesterol circulation circulatory clot coronary education empty filled flow health heart illustration implant implantation infarct infarction intervention medical medicine metal myocardial narrowing operation permanent procedure stent stroke supporting surgery surgical treatment tube vascular vein veins vessel vessels