Minimally Invasive Thoracic Surgery 间把为1L 标动样 t 1.4形2：0：转别得，同
Minimally Invasive Thoracic Surgery
Common Problems in Endoscopic Surgery Training Very different from open surgery Steep learning curve exists Need adaptation to a new set of skills Loss of depth perception Hand eye coordination Strategic positioning of camera instruments Technology dependence Difficulties in training models,set-up
n Very different from open surgery n Steep learning curve exists n Need adaptation to a new set of skills • Loss of depth perception • Hand eye coordination • Strategic positioning of camera & instruments • Technology dependence n Difficulties in training models, set-up Common Problems in Endoscopic Surgery & Training
Traditional training in endoscopic surgery tosuyod L6-Z0
Traditional training in endoscopic surgery
Virtual Arthroscopic Knee Surgery Training System Modeling using data from Visible Human Project Simulation of the deformation of soft tissue with topological change by FEA ■User interaction Two-hand force feedback interface
Virtual Arthroscopic Knee Surgery Training System n Modeling using data from Visible Human Project n Simulation of the deformation of soft tissue with topological change by FEA n User interaction • Two-hand force feedback interface
Virtual Arthroscopy-software system architecture Preprocess Stage CT,MRI 3D Segmented Geometry Volume Data Segmentation Volume Data Modeling On the FLY Stage Physical Surface and attributes Tetrahedral mesh Force Feedback Device Set Force ·User Interaction Soft tissue deformation Manipulation of Contacted Operation Facilities Force feedback calculation Collision Detection Interactive Rendering View from outside Arthroscopic view
Virtual Arthroscopy – software system architecture 3D Segmentation CT, MRI Volume Data Segmented Volume Data Geometry Modeling Preprocess Stage • User Interaction • Soft tissue deformation • Force feedback calculation Physical attributes Force Feedback Device Set Force Collision Detection Manipulation of Operation Facilities On the FLY Stage Contacted Surface and Tetrahedral mesh Interactive Rendering • View from outside • Arthroscopic view