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Modelling Surgical Cuts, Retractions, and Resections via Extended Finite Element Method

  • Lara M. Vigneron
  • Jacques G. Verly
  • Simon K. Warfield
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3217)

Abstract

We introduce a new, efficient approach for modelling the deformation of organs following surgical cuts, retractions, and resections. It uses the extended finite element method (XFEM), recently developed in “fracture mechanics” for dealing with cracks in mechanical parts. XFEM eliminates the computationally-expensive remeshing that would be required if the standard finite element method (FEM) was used. We report on the successful application of the method to the simulation of 2D retraction. The method may have significant impact on surgical simulators and navigators.

Keywords

Boundary Element Method Biomechanical Model Meshless Method Surgical Simulation Nonrigid Registration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Lara M. Vigneron
    • 1
  • Jacques G. Verly
    • 1
  • Simon K. Warfield
    • 2
  1. 1.Signal Processing Group, Dept. of Electrical Engineering and Computer ScienceUniversity of LiègeBelgium
  2. 2.Computational Radiology LaboratorySurgical Planning Laboratory, Brigham and Women’s Hospital, Harvard Medical SchoolBostonUSA

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