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Mechanical modeling of a beating heart for a cardiac palpation training system

Identifieur interne : 006F97 ( Main/Curation ); précédent : 006F96; suivant : 006F98

Mechanical modeling of a beating heart for a cardiac palpation training system

Auteurs : T. Tokuyasu [Japon] ; S. I. Oota ; T. Tokuyama ; K. I. Asami ; T. Kitamura ; G. I. Sakaguchi ; T. Koyama ; M. Komeda

Source :

Advanced Robotics [ 0169-1864 ] ; 2003.

RBID : Pascal:03-0372891

Descripteurs français

Pascal (Inist)
- Théorie, Chirurgie, Imagerie médicale, Traitement image, Cardiologie.
Wicri :
- topic : Chirurgie.

English descriptors

KwdEn :
- Cardiology, Image processing, Medical imaging, Plastic surgery, Surgery, Theory.

Abstract

In cardiac plastic surgery, the cardiac surgeon touches the cardiac muscle to diagnose the patient's heart that may be diseased due to infarction or dilate cardiomyopathy to determine the regions where it needs plastic surgery. In other words, the cardiac surgeon needs to recognize the mechanical characteristics of the thin muscle regions by the haptic sensitivity of his/her fingertips. Cardiac images available before cardiac surgery could enable a qualitative estimation of the patient's heart. However, cardiac palpation is the only accurate way for making surgical plans for ventricular plastic surgery in the operating theater. Since young inexperienced cardiac surgeons have few occasions to perform cardiac palpation, even in operation cases, a cardiac palpation training system is highly desired. The training system for a cardiac palpation system we have developed consists of a virtual heart based on human left ventricular magnetic resonance images and a one-dimensional manipulator as a haptic device. Mechanical properties of the cardiac muscles of a pig and a dog are embedded into the virtual heart linked to a Windkessel model for the systemic circulation. Our experiments show that the developed training system enables users to feel the elasticity of the cardiac muscle wall through the manipulator in real-time.

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Pascal:03-0372891

Le document en format XML

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<author><name sortKey="Kitamura, T" sort="Kitamura, T" uniqKey="Kitamura T" first="T." last="Kitamura">T. Kitamura</name>
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<keywords scheme="Pascal" xml:lang="fr"><term>Théorie</term>
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<front><div type="abstract" xml:lang="en">In cardiac plastic surgery, the cardiac surgeon touches the cardiac  muscle to diagnose the patient's heart that may be diseased due to infarction or dilate cardiomyopathy to determine the regions where it needs plastic surgery. In other words, the cardiac surgeon needs to recognize the mechanical characteristics of the thin muscle regions by the haptic sensitivity of his/her fingertips. Cardiac images available before cardiac surgery could enable a qualitative estimation of the patient's heart. However, cardiac palpation is the only accurate way for making surgical plans for ventricular plastic surgery in the operating theater. Since young inexperienced cardiac surgeons have few occasions to perform cardiac palpation, even in operation cases, a cardiac palpation training system is highly desired. The training system for a cardiac palpation system we have developed consists of a virtual heart based on human left ventricular magnetic resonance images and a one-dimensional manipulator as a haptic device. Mechanical properties of the cardiac muscles of a pig and a dog are embedded into the virtual heart linked to a Windkessel model for the systemic circulation. Our experiments show that the developed training system enables users to feel the elasticity of the cardiac muscle wall through the manipulator in real-time.</div>
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Mechanical modeling of a beating heart for a cardiac palpation training system

Mechanical modeling of a beating heart for a cardiac palpation training system

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