In vivo and postmortem compressive properties of porcine abdominal organs
Identifieur interne : 007006 ( Main/Curation ); précédent : 007005; suivant : 007007In vivo and postmortem compressive properties of porcine abdominal organs
Auteurs : Jeffrey D. Brown [États-Unis] ; Jacob Rosen [États-Unis] ; Mika N. Sinanan [États-Unis] ; Blake Hannaford [États-Unis]Source :
- Lecture notes in computer science [ 0302-9743 ] ; 2003.
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- Pascal (Inist)
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- topic : Base de données, Chirurgie.
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Abstract
In order to provide realistic haptic feedback, simulators must incorporate accurate computational models of the in-vivo mechanical behavior of soft tissues. Surgical simulation technology has progressed rapidly but lacks a comprehensive database of soft tissue mechanical properties with which to incorporate. Simulators are often designed purely based on what "feels about right;" quantitative empirical data are lacking. It is important to test tissues in-vivo and apply surgically relevant ranges of force, deformation, and duration. A motorized endoscopic grasper was used to test seven porcine abdominal organs in-vivo, in-situ, and ex-corpus with cyclic and static compressive loadings. Elastic and stress relaxation characteristics were examined. Results from liver are presented here. Notable differences were found between successive squeezes and between conditions for elastic and relaxation behaviors.
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Pascal:04-0143227Le document en format XML
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Brown</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Biorobotics Laboratory, University of Washington</s1><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Seattle</settlement><region type="state">Washington (État)</region></placeName><orgName type="university">Université de Washington</orgName></affiliation></author><author><name sortKey="Rosen, Jacob" sort="Rosen, Jacob" uniqKey="Rosen J" first="Jacob" last="Rosen">Jacob Rosen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Biorobotics Laboratory, University of Washington</s1><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Seattle</settlement><region type="state">Washington (État)</region></placeName><orgName type="university">Université de Washington</orgName></affiliation></author><author><name sortKey="Sinanan, Mika N" sort="Sinanan, Mika N" uniqKey="Sinanan M" first="Mika N." last="Sinanan">Mika N. 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Brown</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Biorobotics Laboratory, University of Washington</s1><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Seattle</settlement><region type="state">Washington (État)</region></placeName><orgName type="university">Université de Washington</orgName></affiliation></author><author><name sortKey="Rosen, Jacob" sort="Rosen, Jacob" uniqKey="Rosen J" first="Jacob" last="Rosen">Jacob Rosen</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Biorobotics Laboratory, University of Washington</s1><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Seattle</settlement><region type="state">Washington (État)</region></placeName><orgName type="university">Université de Washington</orgName></affiliation></author><author><name sortKey="Sinanan, Mika N" sort="Sinanan, Mika N" uniqKey="Sinanan M" first="Mika N." last="Sinanan">Mika N. Sinanan</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Surgery, University of Washington </s1><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Department of Surgery, University of Washington </wicri:noRegion></affiliation></author><author><name sortKey="Hannaford, Blake" sort="Hannaford, Blake" uniqKey="Hannaford B" first="Blake" last="Hannaford">Blake Hannaford</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Biorobotics Laboratory, University of Washington</s1><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Seattle</settlement><region type="state">Washington (État)</region></placeName><orgName type="university">Université de Washington</orgName></affiliation></author></analytic><series><title level="j" type="main">Lecture notes in computer science</title><idno type="ISSN">0302-9743</idno><imprint><date when="2003">2003</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Lecture notes in computer science</title><idno type="ISSN">0302-9743</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Database</term><term>Endoscopy</term><term>Feedback</term><term>Feedback regulation</term><term>Gripper</term><term>In situ</term><term>In vivo</term><term>Mechanical properties</term><term>Simulator</term><term>Soft tissue</term><term>Static load</term><term>Surgery</term><term>Tactile sensitivity</term><term>Tissue</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Boucle réaction</term><term>Rétroaction</term><term>Base donnée</term><term>Simulateur</term><term>Sensibilité tactile</term><term>Chirurgie</term><term>Propriété mécanique</term><term>Partie molle</term><term>Tissu</term><term>Endoscopie</term><term>Préhenseur</term><term>In vivo</term><term>In situ</term><term>Charge statique</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Base de données</term><term>Chirurgie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In order to provide realistic haptic feedback, simulators must incorporate accurate computational models of the in-vivo mechanical behavior of soft tissues. Surgical simulation technology has progressed rapidly but lacks a comprehensive database of soft tissue mechanical properties with which to incorporate. Simulators are often designed purely based on what "feels about right;" quantitative empirical data are lacking. It is important to test tissues in-vivo and apply surgically relevant ranges of force, deformation, and duration. A motorized endoscopic grasper was used to test seven porcine abdominal organs in-vivo, in-situ, and ex-corpus with cyclic and static compressive loadings. Elastic and stress relaxation characteristics were examined. Results from liver are presented here. Notable differences were found between successive squeezes and between conditions for elastic and relaxation behaviors.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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