Interactive haptic modeling of colon and colonoscope.
Identifieur interne : 001824 ( PubMed/Checkpoint ); précédent : 001823; suivant : 001825Interactive haptic modeling of colon and colonoscope.
Auteurs : Woo Jin Ahn ; Doo Yong LeeSource :
- Studies in health technology and informatics [ 0926-9630 ] ; 2004.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Colon.
- Computer Simulation, Humans, Models, Theoretical, User-Computer Interface.
Abstract
This paper presents physics-based modeling for colonoscopy training simulator. The colon is modeled as a chain of beam along the medial axis for global bending motions. The Timoshenko's beam theory is applied to the centerline of colon extracted from a medical image. The stiffness matrix of colon is formulated using the finite element method. The colonoscope model consists of rigid elements connected with torsional spring and damper. This modeling allows global bending motions to be simulated in real time.
PubMed: 15544227
Affiliations:
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pubmed:15544227Le document en format XML
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<wicri:noCountry code="subField">Korea Advanced Institute of Science and Technology</wicri:noCountry>
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<author><name sortKey="Lee, Doo Yong" sort="Lee, Doo Yong" uniqKey="Lee D" first="Doo Yong" last="Lee">Doo Yong Lee</name>
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<front><div type="abstract" xml:lang="en">This paper presents physics-based modeling for colonoscopy training simulator. The colon is modeled as a chain of beam along the medial axis for global bending motions. The Timoshenko's beam theory is applied to the centerline of colon extracted from a medical image. The stiffness matrix of colon is formulated using the finite element method. The colonoscope model consists of rigid elements connected with torsional spring and damper. This modeling allows global bending motions to be simulated in real time.</div>
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<Abstract><AbstractText>This paper presents physics-based modeling for colonoscopy training simulator. The colon is modeled as a chain of beam along the medial axis for global bending motions. The Timoshenko's beam theory is applied to the centerline of colon extracted from a medical image. The stiffness matrix of colon is formulated using the finite element method. The colonoscope model consists of rigid elements connected with torsional spring and damper. This modeling allows global bending motions to be simulated in real time.</AbstractText>
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