Human Blood Pressure Simulation for Stress Analysis in Model of Vasculature Using Photoelastic Effect
Carlos Tercero*1, 2, Seiichi Ikeda*1, Erick Tijerino*3, 2,
Motoki Matsushima*1, Toshio Fukuda*1, Makoto Negoro*4,
and Ikuo Takahashi*5
*1Micro-Nano Systems Engineering Department, Nagoya University, Furo-cho 1, Chikusa-ku, Nagoya 464-8603, Japan
*2Electronics Engineering Department, Del Valle de Guatemala University, 18 avenida 11-95 Zona 15, Guatemala City, Guatemala
*3Mechanical, Materials and Aerospace Engineering, University of Central Florida, 4000 Central Florida Blvd. Orlando, Florida 32816-2450, USA
*4Department of Neurosurgery, Fujita Health University, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192, Japan
*5Department of Neurosurgery, Anjo Kosei Hospital, 28 Higashi Hirokute, Anjo-cho, Anjo, Aichi 446-8602, Japan
Numerical criteria for evaluating stress on vasculature models have applications in evaluating medical tools and surgical skills enabling better endovascular surgery training and the development of better medical techniques and tools. We propose using the stress produced by blood pressure simulation in the vasculature model wall for this criterion and use photoelastic effect for measuring the principal stress magnitude component. We simulated human blood pressure with 5.6% average error and developed shielded urethane model of vasculature enabling water circulation and avoiding plastic deformation at pressures below 182 mmHg. We developed software to calculate model wall stress. We quantitatively compared in four ranges stress produced on the model wall by blood pressure simulation and a guide wire.
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