Studies Database
Shen Y, Devarajan V, Eberhart R. Haptic herniorrhaphy simulation with robust and fast collision detection algorithm. Stud Health Technol Inform. 2005;111:458-64
PMID: 15718778Abstract
Collision detection and soft tissue deformation are two major research challenges in real time VR based simulation, especially when haptic feedback is required. We have developed a real time collision detection algorithm for a prototype laparoscopic surgery trainer. However, this algorithm makes no assumptions about its applications and thus can be a generic solution to complicated collision detection problems. For soft tissue modeling, we use the mass-spring model enhanced with volume constraint and, stability control methods. We use both the new collision detection and tissue modeling algorithms in a bimanual hernia repair simulator which performs a mesh prosthesis stapling operation in real time.
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