Real-time elastic deformations of soft tissues for surgery simulation

Author

Cotin, Stéphane ; Delingette, Hervé ; Ayache, Nicholas

Author_Institution

Epidaure Project, Inst. Nat. de Recherche en Inf. et Autom., Sophia-Antipolis, France

Volume

5

Issue

1

fYear

1999

Firstpage

62

Lastpage

73

Abstract

We describe a novel method for surgery simulation including a volumetric model built from medical images and an elastic modeling of the deformations. The physical model is based on elasticity theory which suitably links the shape of deformable bodies and the forces associated with the deformation. A real time computation of the deformation is possible thanks to a preprocessing of elementary deformations derived from a finite element method. This method has been implemented in a system including a force feedback device and a collision detection algorithm. The simulator works in real time with a high resolution liver model

Keywords

biomechanics; computer graphics; digital simulation; elastic deformation; finite element analysis; medical computing; real-time systems; surgery; collision detection algorithm; deformable bodies; elastic modeling; elasticity theory; elementary deformations; finite element method; force feedback device; high resolution liver model; medical images; physical model; preprocessing; real time computation; real time elastic deformations; soft tissues; surgery simulation; volumetric model; Biological tissues; Biomedical imaging; Computational modeling; Deformable models; Elasticity; Finite element methods; Force feedback; Medical simulation; Shape; Surgery;

fLanguage

English

Journal_Title

Visualization and Computer Graphics, IEEE Transactions on

Publisher

ieee

ISSN

1077-2626

Type

jour

DOI

10.1109/2945.764872

Filename

764872