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Numerical Hemodynamics Analysis of Stented Cerebral Artery

[+] Author Affiliations
Hongcheon Yang, Kwang-Sun Kim

Korea University of Technology and Education, Cheonan, South Korea

Paper No. IMECE2011-63608, pp. 271-277; 7 pages
doi:10.1115/IMECE2011-63608
From:
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering; Nanoengineering for Medicine and Biology
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5488-4
  • Copyright © 2011 by ASME

abstract

Stroke is one of the most dangerous causes of a sudden death. It is generally caused by the blood clotting in the stenotic region of artery. Cerebrovascular and cardiovascular systems are blocked by plaques so that it can lead to occlusion of the artery. Stenosis in the cerebral artery can be cause of ischemic stroke, or even death if it doesn’t get treatment earlier. Ballooning and stent implementation are main methods to treat stenosis in the artery vascular. Stent implantation has widely been used for cardio-artery diseases and as nano-technology has been developed recently, stents can be produced at sufficiently small sizes, with sufficient delicacy for use in cerebral artery. The blood flow in the stented cerebral artery depends on biomechanical factors such as blood viscosity, blood velocity, vascular density, or body temperature. In this research, we investigated the effects of stent in different types of stented cerebral artery model. The result can be adapted for particular part of the blood vessel or new types of safer stent model. For numerical analysis, we used Solidworks 2010[1] and Star-CCM+[2] softwares for modeling and simulation. Then we compared the result to look into the differences of hemodynamic characteristics between the stenotic blood vessels and stented blood vessels.

Copyright © 2011 by ASME

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