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A Catheterization-Training Simulator Based on a Fast Multigrid Solver
Nov.-Dec. 2012 (vol. 32 no. 6)
pp. 56-70
Shun Li, Chinese Univ. of Hong Kong, Hong Kong, China
Jixiang Guo, Chinese Univ. of Hong Kong, Hong Kong, China
Qiong Wang, Chinese Univ. of Hong Kong, Hong Kong, China
Qiang Meng, Chinese Univ. of Hong Kong, Hong Kong, China
Yim-Pan Chui, Chinese Univ. of Hong Kong, Hong Kong, China
Jing Qin, Chinese Univ. of Hong Kong, Hong Kong, China
Pheng-Ann Heng, Chinese Univ. of Hong Kong, Hong Kong, China
A VR-based simulator helps trainees develop skills for catheterization, a fundamental but difficult procedure in vascular interventional radiology. A deformable model simulates the complicated behavior of guide wires and catheters, using the principle of minimum total potential energy. A fast, stable multigrid solver ensures realistic simulation and real-time interaction. In addition, the system employs geometrically and topologically accurate vascular models based on improved parallel-transport frames, and it implements efficient collision detection. Experiments evaluated the method's stability, the solver's execution time, how well the simulation preserved the catheter's curved tip, and the catheter deformation's realism. An empirical study based on a typical selective-catheterization procedure assessed the system's feasibility and effectiveness.
Index Terms:
Catheters,Catheterization,Bifurcation,Solid modeling,Deformable models,Computational modeling,Potential energy,multigrid method,Catheters,Catheterization,Bifurcation,Solid modeling,Deformable models,Computational modeling,Potential energy,computer graphics,surgical simulation,vascular interventional radiology,catheterization skills,physically based deformable model
Citation:
Shun Li, Jixiang Guo, Qiong Wang, Qiang Meng, Yim-Pan Chui, Jing Qin, Pheng-Ann Heng, "A Catheterization-Training Simulator Based on a Fast Multigrid Solver," IEEE Computer Graphics and Applications, vol. 32, no. 6, pp. 56-70, Nov.-Dec. 2012, doi:10.1109/MCG.2012.32
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