Stent helps in avoiding the heart attacks which is caused by narrowing of the coronary arteries. Stent is a small tube made up of stainless steel or cobalt alloy, tube and is attached onto small balloons which act as a support to reinstate blood flow and support the vessel wall. Methods for the treatment of coronary heart disease includes pharmaceuticals, balloon angioplasty, stenting and coronary artery bypass grafting. 更多