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Full-Text Articles in Biomedical Engineering and Bioengineering
Finite Element Analysis Of Balloon-Expandable Coronary Stent Deployment: Influence Of Angioplasty Balloon Configuration, David Martin, Fergal Boyle
Today, the majority of coronary stents are balloon-expandable and are deployed using a balloon-tipped catheter. To improve deliverability, the membrane of the angioplasty balloon is typically folded about the catheter in a pleated configuration. As such, the deployment of the angioplasty balloon is governed by the material properties of the balloon membrane, its folded configuration and its attachment to the catheter. Despite this observation, however, an optimum strategy for modelling the configuration of the angioplasty balloon in finite element studies of coronary stent deployment has not been identified, and idealised models of the angioplasty balloon are commonly employed in the ...