Reality based modeling and simulation of gallbladder shape deformation using variational methods.
Identifieur interne : 000A05 ( PubMed/Curation ); précédent : 000A04; suivant : 000A06Reality based modeling and simulation of gallbladder shape deformation using variational methods.
Auteurs : Linfei Xiong [Singapour] ; Chee-Kong Chui ; Chee-Leong TeoSource :
- International journal of computer assisted radiology and surgery [ 1861-6429 ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- diagnosis : Gallbladder Diseases.
- pathology : Gallbladder.
- physiopathology : Gallbladder, Gallbladder Diseases.
- Algorithms, Animals, Biomechanical Phenomena, Computer Simulation, Disease Models, Animal, Models, Theoretical, Swine.
Abstract
Accurate soft tissue deformation modeling is important for realistic surgical simulation. The aim of this study is to develop a reality-based gallbladder model and to determine material constants that represent gallbladder wall mechanical properties.
DOI: 10.1007/s11548-013-0821-y
PubMed: 23443982
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The aim of this study is to develop a reality-based gallbladder model and to determine material constants that represent gallbladder wall mechanical properties.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">23443982</PMID><DateCreated><Year>2013</Year><Month>09</Month><Day>12</Day></DateCreated><DateCompleted><Year>2014</Year><Month>09</Month><Day>16</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1861-6429</ISSN><JournalIssue CitedMedium="Internet"><Volume>8</Volume><Issue>5</Issue><PubDate><Year>2013</Year><Month>Sep</Month></PubDate></JournalIssue><Title>International journal of computer assisted radiology and surgery</Title><ISOAbbreviation>Int J Comput Assist Radiol Surg</ISOAbbreviation></Journal><ArticleTitle>Reality based modeling and simulation of gallbladder shape deformation using variational methods.</ArticleTitle><Pagination><MedlinePgn>857-65</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s11548-013-0821-y</ELocationID><Abstract><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">Accurate soft tissue deformation modeling is important for realistic surgical simulation. The aim of this study is to develop a reality-based gallbladder model and to determine material constants that represent gallbladder wall mechanical properties.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Mechanical experiments on porcine gallbladder were performed to investigate tissue deformation, and an exponential strain energy function was used to describe the nonlinear stress-strain behavior of the gallbladder wall. A new volumetric function based upon the exponential strain energy function was proposed to model the gallbladder organ. A genetic algorithm was used to identify the material parameters of the proposed biomechanical model from the experimental data.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The material constants of the exponential strain energy model were determined based on the experimental data. Deformation simulation and haptic rendering using the proposed gallbladder model were presented. Comparison between deformation predicted by the proposed model and that of the experimental data on gallbladder wall and gallbladder organ tissues demonstrates the applicability of this reality-based variational method for deformation simulation.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">An accurate soft tissue deformation model was developed using material constants identified for gallbladder. The model is suitable for interactive haptic rendering and deformation simulation. This model has potential applications for simulation of other hollow organs.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Xiong</LastName><ForeName>Linfei</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>National University of Singapore, Singapore, Singapore, xionglinfei@nus.edu.sg.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chui</LastName><ForeName>Chee-Kong</ForeName><Initials>CK</Initials></Author><Author ValidYN="Y"><LastName>Teo</LastName><ForeName>Chee-Leong</ForeName><Initials>CL</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>02</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Int J Comput Assist Radiol Surg</MedlineTA><NlmUniqueID>101499225</NlmUniqueID><ISSNLinking>1861-6410</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D000465">Algorithms</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000818">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D001696">Biomechanical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D003198">Computer Simulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004195">Disease Models, Animal</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005704">Gallbladder</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000503">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005705">Gallbladder Diseases</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000175">diagnosis</QualifierName><QualifierName MajorTopicYN="N" UI="Q000503">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D008962">Models, Theoretical</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013552">Swine</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>10</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>1</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2013</Year><Month>2</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>2</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>2</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>9</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1007/s11548-013-0821-y</ArticleId><ArticleId IdType="pubmed">23443982</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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