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Rapid Prototyping of Silicone-based Phantom Models for Stent Simulation Validation

Christoph Russ, Michael Gessat, Volkmar Falk, and Gábor Székely
Proceedings of MICCAI - Stent
October 2012

Abstract

Robust and reliable development of stent designs and materials is an important aspect for medical device manufacturing in relation to procedures such as Transcatheter Aortic-Valve Implantation. It is essential to perform a variety of experiments at an early stage of this process to define suitable material requirements and stent geometry. Mechanical simulation of realistic use case scenarios is a cost and time effective approach to optimize this task. In silico experiments can assist the device development phase and successively support patient-specific procedure planning. To establish confidence in the predictive power of in silico models and the corresponding simulation results, we therefore present a validation framework for stenting simulations. Our workflow allows the comparison of finite element analysis with actual mechanical response tests using optical tracking of stent deformation in artificial vessel phan- tom models. The results indicate that stent and vessel deformation can be analysed and validated across well-defined tissue properties within the presented framework.


Link to publisher's page
@InProceedings{eth_biwi_00978,
  author = {Christoph Russ and Michael Gessat and Volkmar Falk and and Gábor Székely},
  title = {Rapid Prototyping of Silicone-based Phantom Models for Stent Simulation Validation},
  booktitle = {Proceedings of MICCAI - Stent},
  year = {2012},
  month = {October},
  pages = {80-87},
  volume = {1},
  editor = {S. Demirci and S. Lee and P. Radeva and G. Unal},
  publisher = {CAMP / TU Munich, Germany},
  keywords = {biomedical, simulation, stent, tavi}
}