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008 Biomechanical design of the intracranial stent for the cerebral aneurysm treatment
  1. Y Shobayashi1,
  2. S Tateshima2,
  3. K Tanishita3
  1. 1Graduate School of Science and Technology, Keio University, Yokohama, Kanagawa, Japan
  2. 2Division of Interventional Neuroradiology, Ronald Reagan UCLA Medical Center, Los Angeles, CA, USA
  3. 3Department of System Design Engineering, Keio University, Yokohama, Kanagawa, Japan

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Introduction: The mechanical characteristic required for an aneurysm stent is high longitudinal flexibility and low radial stiffness. Longitudinal flexibility is necessary to navigate the tortuous shape inherent to the intracranial circulation to reach lesions beyond the carotid siphon. Low radial stiffness is necessary to reduce the risk of vascular damage. However, mechanical behavior such as stress distribution and deformation by finite element method (FEM) and experiments of cerebrovascular stent has not yet been studied. The aim of this study is to …

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