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Related Experiment Video

Updated: May 20, 2026

Monitoring the Wall Mechanics During Stent Deployment in a Vessel
08:28

Monitoring the Wall Mechanics During Stent Deployment in a Vessel

Published on: May 8, 2012

Virtual evaluation of stent graft deployment: a validated modeling and simulation study.

S De Bock1, F Iannaccone, G De Santis

  • 1IBiTech, bioMMeda, Ghent University, De Pintelaan 185, Ghent, Belgium. Sander.DeBock@UGent.be

Journal of the Mechanical Behavior of Biomedical Materials
|July 31, 2012
PubMed
Summary

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Finite element analysis accurately simulates bifurcated stent graft deployment in abdominal aortic aneurysm models. This computational approach predicts device configuration and quantifies critical mechanical parameters post-endovascular aneurysm repair.

Area of Science:

  • Biomedical Engineering
  • Computational Mechanics
  • Medical Device Simulation

Background:

  • Abdominal Aortic Aneurysm (AAA) repair often involves endovascular stent grafts.
  • Accurate prediction of stent graft deployment is crucial for successful repair.
  • Current methods may have limitations in quantifying mechanical behavior post-deployment.

Purpose of the Study:

  • To virtually model the deployment of a bifurcated stent graft (Medtronic Talent) in an AAA model.
  • To validate finite element (FE) simulation results with in vitro experiments.
  • To assess the capability of FE simulations in predicting post-EVAR mechanical parameters.

Main Methods:

  • Utilized the finite element method to simulate the crimping, bending, and release of a bifurcated stent graft.

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Published on: July 19, 2016

Related Experiment Videos

Last Updated: May 20, 2026

Monitoring the Wall Mechanics During Stent Deployment in a Vessel
08:28

Monitoring the Wall Mechanics During Stent Deployment in a Vessel

Published on: May 8, 2012

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180&#176; Curved Artery Test Section
11:00

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Published on: July 19, 2016

  • Developed a computational model of an Abdominal Aortic Aneurysm.
  • Validated simulation outcomes against in vitro experiments using a silicone mock aneurysm and high-resolution CT scans.

    • Main Results:

    • FE simulations successfully predicted the deformed configuration of the stent graft after deployment.
    • In vitro validation confirmed the accuracy of the computational model.
    • Simulations demonstrated the ability to quantify mechanical parameters like neck dilation, radial forces, and device stresses.

    Conclusions:

    • Finite element computer simulations are capable of accurately predicting stent graft configuration post-EVAR.
    • FE analysis provides a valuable tool for quantifying mechanical parameters not easily measured by medical imaging.
    • This simulation capability can enhance the understanding and planning of endovascular aneurysm repair procedures.