Real-time simulation of the nonlinear visco-elastic deformations of soft tissues.
Identifieur interne : 001069 ( PubMed/Corpus ); précédent : 001068; suivant : 001070Real-time simulation of the nonlinear visco-elastic deformations of soft tissues.
Auteurs : Ehsan Basafa ; Farzam FarahmandSource :
- International journal of computer assisted radiology and surgery [ 1861-6429 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- education : Laparoscopy.
- surgery : Connective Tissue.
- Algorithms, Computer Simulation, Elasticity, Humans, Models, Biological, Models, Statistical, User-Computer Interface.
Abstract
Mass-spring-damper (MSD) models are often used for real-time surgery simulation due to their fast response and fairly realistic deformation replication. An improved real time simulation model of soft tissue deformation due to a laparoscopic surgical indenter was developed and tested.
DOI: 10.1007/s11548-010-0508-6
PubMed: 20607618
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pubmed:20607618Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Real-time simulation of the nonlinear visco-elastic deformations of soft tissues.</title><author><name sortKey="Basafa, Ehsan" sort="Basafa, Ehsan" uniqKey="Basafa E" first="Ehsan" last="Basafa">Ehsan Basafa</name><affiliation><nlm:affiliation>School of Mechanical Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran.</nlm:affiliation></affiliation></author><author><name sortKey="Farahmand, Farzam" sort="Farahmand, Farzam" uniqKey="Farahmand F" first="Farzam" last="Farahmand">Farzam Farahmand</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="doi">10.1007/s11548-010-0508-6</idno><idno type="RBID">pubmed:20607618</idno><idno type="pmid">20607618</idno><idno type="wicri:Area/PubMed/Corpus">001069</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Real-time simulation of the nonlinear visco-elastic deformations of soft tissues.</title><author><name sortKey="Basafa, Ehsan" sort="Basafa, Ehsan" uniqKey="Basafa E" first="Ehsan" last="Basafa">Ehsan Basafa</name><affiliation><nlm:affiliation>School of Mechanical Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran.</nlm:affiliation></affiliation></author><author><name sortKey="Farahmand, Farzam" sort="Farahmand, Farzam" uniqKey="Farahmand F" first="Farzam" last="Farahmand">Farzam Farahmand</name></author></analytic><series><title level="j">International journal of computer assisted radiology and surgery</title><idno type="eISSN">1861-6429</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algorithms</term><term>Computer Simulation</term><term>Connective Tissue (surgery)</term><term>Elasticity</term><term>Humans</term><term>Laparoscopy (education)</term><term>Models, Biological</term><term>Models, Statistical</term><term>User-Computer Interface</term></keywords><keywords scheme="MESH" qualifier="education" xml:lang="en"><term>Laparoscopy</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Connective Tissue</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Algorithms</term><term>Computer Simulation</term><term>Elasticity</term><term>Humans</term><term>Models, Biological</term><term>Models, Statistical</term><term>User-Computer Interface</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Mass-spring-damper (MSD) models are often used for real-time surgery simulation due to their fast response and fairly realistic deformation replication. An improved real time simulation model of soft tissue deformation due to a laparoscopic surgical indenter was developed and tested.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">20607618</PMID><DateCreated><Year>2011</Year><Month>04</Month><Day>25</Day></DateCreated><DateCompleted><Year>2011</Year><Month>09</Month><Day>22</Day></DateCompleted><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1861-6429</ISSN><JournalIssue CitedMedium="Internet"><Volume>6</Volume><Issue>3</Issue><PubDate><Year>2011</Year><Month>May</Month></PubDate></JournalIssue><Title>International journal of computer assisted radiology and surgery</Title><ISOAbbreviation>Int J Comput Assist Radiol Surg</ISOAbbreviation></Journal><ArticleTitle>Real-time simulation of the nonlinear visco-elastic deformations of soft tissues.</ArticleTitle><Pagination><MedlinePgn>297-307</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s11548-010-0508-6</ELocationID><Abstract><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">Mass-spring-damper (MSD) models are often used for real-time surgery simulation due to their fast response and fairly realistic deformation replication. An improved real time simulation model of soft tissue deformation due to a laparoscopic surgical indenter was developed and tested.</AbstractText><AbstractText Label="METHOD" NlmCategory="METHODS">The mechanical realization of conventional MSD models was improved using nonlinear springs and nodal dampers, while their high computational efficiency was maintained using an adapted implicit integration algorithm. New practical algorithms for model parameter tuning, collision detection, and simulation were incorporated.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The model was able to replicate complex biological soft tissue mechanical properties under large deformations, i.e., the nonlinear and viscoelastic behaviors. The simulated response of the model after tuning of its parameters to the experimental data of a deer liver sample, closely tracked the reference data with high correlation and maximum relative differences of less than 5 and 10%, for the tuning and testing data sets respectively. Finally, implementation of the proposed model and algorithms in a graphical environment resulted in a real-time simulation with update rates of 150 Hz for interactive deformation and haptic manipulation, and 30 Hz for visual rendering.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">The proposed real time simulation model of soft tissue deformation due to a laparoscopic surgical indenter was efficient, realistic, and accurate in ex vivo testing. This model is a suitable candidate for testing in vivo during laparoscopic surgery.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Basafa</LastName><ForeName>Ehsan</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>School of Mechanical Engineering, Sharif University of Technology, Azadi Avenue, Tehran, Iran.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Farahmand</LastName><ForeName>Farzam</ForeName><Initials>F</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2010</Year><Month>07</Month><Day>07</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="N" UI="D000465">Algorithms</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D003198">Computer Simulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003238">Connective Tissue</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000601">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004548">Elasticity</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010535">Laparoscopy</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000193">education</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D008954">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D015233">Models, Statistical</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014584">User-Computer Interface</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2010</Year><Month>1</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2010</Year><Month>6</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2010</Year><Month>7</Month><Day>7</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>7</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>7</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>9</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1007/s11548-010-0508-6</ArticleId><ArticleId IdType="pubmed">20607618</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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