Patent ID: 9241639
Filing Date: 2016-01-26
CPC Classification: A61B,G06F

Claim Text:
1. A system for estimating membrane stress on an arbitrarily-shaped curvilinear surface based on current configuration data, comprising: a computer processor coupled to a non-transitory storage memory; a polygon data input unit configured to set polygon data of a curvilinear surface modeling a vascular wall; an interactive analysis condition setting unit configured to permit interactive setting of a blood pressure, a tensile force acting on a boundary of the vascular wall, and a prescribed constraint of the curvilinear surface at the vascular wall boundary; a stress analysis unit configured to obtain, under control of the computer processor, a two-dimensional stress distribution over the entire curvilinear surface structured by the vascular wall by analyzing mechanical equilibrium in accordance with membrane stress on the curvilinear surface based on the polygon data of the curvilinear surface inputted from the polygon data input unit and the prescribed constraint of the curvilinear surface set in the interactive analysis condition setting unit; and an interactive visualization unit configured to display interactively a distribution of at least a stress component of the two-dimensional stress distribution obtained by the stress analysis unit; wherein the stress analysis unit is further configured to obtain, under control of the computer processor, the two-dimensional stress distribution by: