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Impact of material anisotropy on deformation of myocardial tissue due to pacemaker electrodes
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.), Biomechanics.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.), Biomechanics.
2011 (English)In: ASME 2011 Summer Bioengineering Conference, SBC 2011, 2011, no PARTS A AND B, 789-790 p.Conference paper, Published paper (Refereed)
Abstract [en]

A Pacemaker electrode can penetrate the heart wall, and to design a penetration-resistent lead tip sound knowledge regarding failure of ventricular tissue is required. Numerical simulations can be particular helpful in that respect, but depend on a reliable constitutive description for ventricular tissue. In this study an anisotropic hyperelastic model for the myocardium has been implemented and compared to predictions from an isotropic description. Specifically, the response due to pushing a rigid punch into the myocardium was studied. Results between anisotropic and isotropic descriptions of the myocardium differed significantly, which justified the implementation of an anisotropic model for the myocardium.

Place, publisher, year, edition, pages
2011. no PARTS A AND B, 789-790 p.
Keyword [en]
Anisotropic models, Heart wall, Hyperelastic models, Material anisotropy, Myocardial tissue, Pacemaker electrodes, Pacemakers, Tissue, Anisotropy
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-148672DOI: 10.1115/SBC2011-53383Scopus ID: 2-s2.0-84881221900ISBN: 9780791854587 (print)OAI: oai:DiVA.org:kth-148672DiVA: diva2:750137
Conference
ASME 2011 Summer Bioengineering Conference, SBC 2011, 22 June 2011 through 25 June 2011, Farmington, PA, United States
Note

QC 20140926

Available from: 2014-09-26 Created: 2014-08-11 Last updated: 2014-09-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NB
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  • Other locale
More languages
Output format
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