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Characterization of intra-abdominal tissues from in vivo animal experiments for surgical simulation

Identifieur interne : 007519 ( Main/Merge ); précédent : 007518; suivant : 007520

Characterization of intra-abdominal tissues from in vivo animal experiments for surgical simulation

Auteurs : Jung Kim [États-Unis] ; Boon K. Tay [États-Unis] ; N. Stylopoulos [États-Unis] ; D. W. Rattner [États-Unis] ; M. A. Srinivasan [États-Unis]

Source :

Lecture notes in computer science [ 0302-9743 ] ; 2003.

RBID : Pascal:04-0143249

Descripteurs français

Pascal (Inist)
- Mesure, Robotique, Simulateur, Boucle réaction, Rétroaction, Chirurgie, Système mesure, Partie molle, Tissu, In vivo, Indentation, Propriété mécanique, Propriété matériau, Sensibilité tactile, Complexité, Modèle linéaire, Modèle non linéaire.
Wicri :
- topic : Robotique, Chirurgie.

English descriptors

KwdEn :
- Complexity, Feedback, Feedback regulation, In vivo, Indentation, Linear model, Measurement, Measuring system, Mechanical properties, Non linear model, Properties of materials, Robotics, Simulator, Soft tissue, Surgery, Tactile sensitivity, Tissue.

Abstract

The lack of data on in vivo material properties of soft tissues is one of the impediments in the development of realistic surgical simulators. The measurement of these properties is not a trivial task, due to the difficulty of the testing itself and the complexity of tissue mechanical behavior. We have developed a system for measuring the mechanical properties of soft tissues in vivo using a robotic device fitted with a force transducer. We measured the response of soft tissues in intra-abdominal organs including the liver and lower esophagus of pigs by using both static and dynamic indentations. We characterize these properties using nonlinear models as well as a linear model. These material models can be effectively integrated into a simulator to provide the user with realistic visual and haptic feedback.

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Pascal:04-0143249

Le document en format XML

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<front><div type="abstract" xml:lang="en">The lack of data on in vivo material properties of soft tissues is one of the impediments in the development of realistic surgical simulators. The measurement of these properties is not a trivial task, due to the difficulty of the testing itself and the complexity of tissue mechanical behavior. We have developed a system for measuring the mechanical properties of soft tissues in vivo using a robotic device fitted with a force transducer. We measured the response of soft tissues in intra-abdominal organs including the liver and lower esophagus of pigs by using both static and dynamic indentations. We characterize these properties using nonlinear models as well as a linear model. These material models can be effectively integrated into a simulator to provide the user with realistic visual and haptic feedback.</div>
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Characterization of intra-abdominal tissues from in vivo animal experiments for surgical simulation

Characterization of intra-abdominal tissues from in vivo animal experiments for surgical simulation

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)

Pour mettre un lien sur cette page dans le réseau Wicri