The role of finite element simulations during the design and evaluation of medical devices is gaining importance. Such simulations provide insights into the mechanical behaviour of medical devices and help to identify the critical design parameters. One important category are vascular implants such as stents, stent grafts, aortic valve stents among others. A realistic vascular geometry and an adequate constitutive model are basic requirements in order to accurately assess the behaviour of such vascular implants during and after implantation by numerical analysis. Many recently described vascular models, for example in the field of stenting, contain rather severe simplifications both on the geometrical and the constitutive level, although the feasibility of using accurate models has been demonstrated recently by, for example, Kiousis et al. [1]. This observation may be explained by the fact that specific anisotropic material models suitable to describe the large deformations of vascular tissue are not available in standard material libraries of some of the widely used finite element solvers. For example, the ABAQUS’ material library only contains two forms of anisotropic hyperelastic materials.
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ASME 2009 Summer Bioengineering Conference
June 17–21, 2009
Lake Tahoe, California, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4891-3
PROCEEDINGS PAPER
Biomechanical Analysis of Stent Placement in a Coronary Bifurcation Considering the Anisotropic Response of the Wall Available to Purchase
Peter Mortier,
Peter Mortier
Ghent University, Ghent, Belgium
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Benedict Verhegghe,
Benedict Verhegghe
Ghent University, Ghent, Belgium
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Matthieu De Beule,
Matthieu De Beule
Ghent University, Ghent, Belgium
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Pascal Verdonck,
Pascal Verdonck
Ghent University, Ghent, Belgium
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Gerhard A. Holzapfel
Gerhard A. Holzapfel
Graz University of Technology, Graz, Austria
KTH - Royal Institute of Technology, Stockholm, Sweden
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Peter Mortier
Ghent University, Ghent, Belgium
Benedict Verhegghe
Ghent University, Ghent, Belgium
Matthieu De Beule
Ghent University, Ghent, Belgium
Pascal Verdonck
Ghent University, Ghent, Belgium
Gerhard A. Holzapfel
Graz University of Technology, Graz, Austria
KTH - Royal Institute of Technology, Stockholm, Sweden
Paper No:
SBC2009-206611, pp. 1319-1320; 2 pages
Published Online:
July 19, 2013
Citation
Mortier, P, Verhegghe, B, De Beule, M, Verdonck, P, & Holzapfel, GA. "Biomechanical Analysis of Stent Placement in a Coronary Bifurcation Considering the Anisotropic Response of the Wall." Proceedings of the ASME 2009 Summer Bioengineering Conference. ASME 2009 Summer Bioengineering Conference, Parts A and B. Lake Tahoe, California, USA. June 17–21, 2009. pp. 1319-1320. ASME. https://doi.org/10.1115/SBC2009-206611
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