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Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing

Identifieur interne : 006B46 ( Main/Curation ); précédent : 006B45; suivant : 006B47

Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing

Auteurs : J. Berkley [États-Unis] ; G. Turkiyyah ; D. Berg ; M. Ganter ; S. Weghorst

Source :

IEEE Transactions on Visualization and Computer Graphics [ 1077-2626 ] ; 2004.

RBID : Pascal:04-0213345

Descripteurs français

Pascal (Inist)
- Application, Réalité virtuelle, Chirurgie, Peau, Commande contre réaction, Analyse contrainte, Rigidité, Déformation, Théorie contrainte, Méthode élément fini, Algèbre matricielle, Modèle mathématique, Simulation ordinateur, Infographie, Théorie.
Wicri :
- topic : Réalité virtuelle, Chirurgie.

English descriptors

KwdEn :
- Application, Computer graphics, Computer simulation, Constraint theory, Deformation, Feedback control, Finite element method, Force-feedback, Mathematical models, Matrix algebra, Real-time finite element analysis, Skin, Stiffness, Stress analysis, Surgery, Suturing, Theory, Virtual environments, Virtual reality.

Abstract

Real-time finite element (FE) analysis can be used to represent complex deformable geometries in virtual environments. The need for accurate surgical simulation has spurred the development of many of the new real-time FE methodologies that enable haptic support and real-time deformation. These techniques are computationally intensive and it has proved to be a challenge to achieve the high modeling resolutions required to accurately represent complex anatomies. The authors present a new real-time methodology based on linear FE analysis that is appropriate for a wide range of surgical simulation applications. A methodology is proposed that is characterized by high model resolution, low preprocessing time, unrestricted multipoint surface contact, and adjustable boundary conditions. These features make the method ideal for modeling suturing, which is an element common to almost every surgical procedure. This paper describes constraints in the context of a Suturing Simulator currency being developed by the authors.

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Le document en format XML

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<term>Computer simulation</term>
<term>Constraint theory</term>
<term>Deformation</term>
<term>Feedback control</term>
<term>Finite element method</term>
<term>Force-feedback</term>
<term>Mathematical models</term>
<term>Matrix algebra</term>
<term>Real-time finite element analysis</term>
<term>Skin</term>
<term>Stiffness</term>
<term>Stress analysis</term>
<term>Surgery</term>
<term>Suturing</term>
<term>Theory</term>
<term>Virtual environments</term>
<term>Virtual reality</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Application</term>
<term>Réalité virtuelle</term>
<term>Chirurgie</term>
<term>Peau</term>
<term>Commande contre réaction</term>
<term>Analyse contrainte</term>
<term>Rigidité</term>
<term>Déformation</term>
<term>Théorie contrainte</term>
<term>Méthode élément fini</term>
<term>Algèbre matricielle</term>
<term>Modèle mathématique</term>
<term>Simulation ordinateur</term>
<term>Infographie</term>
<term>Théorie</term>
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<front><div type="abstract" xml:lang="en">Real-time finite element (FE) analysis can be used to represent  complex deformable geometries in virtual environments. The need for accurate surgical simulation has spurred the development of many of the new real-time FE methodologies that enable haptic support and real-time deformation. These techniques are computationally intensive and it has proved to be a challenge to achieve the high modeling resolutions required to accurately represent complex anatomies. The authors present a new real-time methodology based on linear FE analysis that is appropriate for a wide range of surgical simulation applications. A methodology is proposed that is characterized by high model resolution, low preprocessing time, unrestricted multipoint surface contact, and adjustable boundary conditions. These features make the method ideal for modeling suturing, which is an element common to almost every surgical procedure. This paper describes constraints in the context of a Suturing Simulator currency being developed by the authors.</div>
</front>
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Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing

Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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