Deepak G, MMM Patnaik Shivasharanayya swamy
One of the most important cardiovascular diseases is atherosclerosis, which often leads to narrowed (or stenosed) arteries that obstruct the flow of oxygen rich blood. In the case of coronary arteries, this may limit the oxygen delivery to the heart muscle and can lead to a heart attack. The blood flow through these narrowed arteries is often restored by inserting folding structures, named Stent. A Stent is expandable tube-like device that is inserted into a natural conduit of the body to restore a disease-induced localized stenosis. The aim of this study is to provide a computational approach for evaluating the effect of Stent materials on biomechanical outcomes and the deployments of Stents in different condition. A linear Finite Element (FE) procedure is carried out using the Generic Stent geometry, to quantitatively predict the effect of mechanical properties such as stress, strain and density of these biomaterials on Stent behavior during the deployment. A quantitative comparison is made for exploring the effect of different materials on the deployment of Stent. The study is considered significant in understanding the role for Stent materials affect on the biomechanical responses to the coronary Stenting.
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