Abstract
We have proposed a novel method to produce biological models using polyurethane elastomer, which has high photoelastic coefficient. And a method to analyze stress states on the model by circular polarized light method. In this paper, we propose stress measurement on biological model by reflection method, which is a stress measurement method using photoelastic effect. With this method, stress is measured in area wider than that of circular polarized light method and stress direction and magnitude cam be measured. The accuracy of reflection method is evaluated by tensile test using cylindrical model. And an application on artery model is verified experimentally. We could analyze stress states quantitatively on the model of cerebral artery. Consequently, it should be valuable for various applications not only surgical simulations but also hemodynamic studies and pathological studies.
