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Removing Tetrahedra from manifold tetrahedralisation : application to real-time

Summary: Removing Tetrahedra from manifold
tetrahedralisation : application to real-time
surgical simulation
C. Forest , H. Delingette, N. Ayache
Epidaure Laboratory, INRIA, 2004 route des lucioles, BP 93, 06902 Sophia
Antipolis, France
1 Introduction
1.1 Simulation of cutting
In a general-purpose surgery simulator, it is important to model the action of
different types of surgical instruments. The complexity of the simulation not
only depends on the nature of this action (suturing, grasping, cutting,...) but
also on the nature of the anatomical structures on which they apply. Typically,
among the different structures, one can distinguished between vessel models,
surfacic structures (membranes) and volumetric structures (parenchymatous
This paper is related to the simulation of cutting instruments (electric lancet,
scalpel, cavitron) on volumetric tissues. Cutting tissue is one of the most
challenging action to simulate, at least for two reasons. First, it involves the
modification of topology of meshes, which in itself may be a complex task.
Second, it makes most soft tissue deformation algorithms not compatible with


Source: Ayache, Nicholas - INRIA


Collections: Computer Technologies and Information Sciences; Engineering