Deformable mesh simulation for virtual laparoscopic cholecystectomy training

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• 作者：Youngjun Kim (1)
  Laehyun Kim (1)
  Deukhee Lee (1)
  Sangkyun Shin (1)
  Hyunchul Cho (1)
  Fr茅d茅rick Roy (1)
  Sehyung Park (1)
  
  1. Korea Institute of Science and Technology (KIST) ; Hwarangno 14-gil 5 ; Seongbuk-gu ; Seoul ; 136-791 ; Republic of Korea
  
• 关键词：Medical simulation ; Mesh deformation ; Mesh carving ; Mesh sculpting ; Cholecystectomy
• 刊名：The Visual Computer
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：31
• 期：4
• 页码：485-495
• 全文大小：1,903 KB
• 参考文献：1. Soper, NJ, Stockmann, PT, Dunnegan, DL, Ashley, SW (1992) Laparoscopic cholecystectomy. The new gold standard?. Arch. Surg. 127: pp. 917-921 CrossRef
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• 刊物类别：Computer Science
• 刊物主题：Computer Graphics
  Computer Science, general
  Artificial Intelligence and Robotics
  Image Processing and Computer Vision
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-2315

文摘

Virtual simulation of laparoscopic surgery is getting attention for training novice surgeons and medical residents for practice. Virtual surgical simulation has many advantages because it can provide users with a safe environment without animal or patient subjects. Although several solutions are available in the market, there are no reported studies with detailed technical descriptions of the virtual simulation of laparoscopic cholecystectomy (gallbladder removal surgery), one of the major surgeries performed using laparoscopic surgical procedures. Here, we present a realistic laparoscopic cholecystectomy training simulator. The system was developed by applying state-of-the-art computer graphical technologies using an open source library and proposing a new method of deformable mesh carving. The deformable mesh carving is a volume-based method using potential fields and hexahedral finite element method. In this paper, we describe the detailed techniques used to realize the laparoscopic cholecystectomy simulation. The experimental and user study results prove that the presented system simulates the cholecystectomy procedures in real time with high degree of realism and fidelity.