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Calculating the aortic valve force and generated power by a specific cardiac assist device (AVICENA) in different counterpulsation

  • Mansour Alizadeh
  • Shahrokh Rahmani
  • Pedram Tehrani
Technical Paper
  • 48 Downloads

Abstract

AVICENA is a specific cardiac assist device which is used in the cases with left ventricular failure and implanted in the aorta that can pump the blood flow with more strength into the circulatory system. Although this device can increase the power of blood flow by its inflation and deflation, it may apply some extra force to the aortic valve while working in the heart. This study aims at investigating these amounts of generated power and aortic valve force in different patterns of device counterpulsation using FSI. In this study, only six different displacement factor curves applied to the balloon as well as only one boundary condition applied to the inlet and outlet of the aorta are considered. The outcome of this study helps to improve the design of this device in a way that it may produce more power and less force on the aortic valve.

Keywords

AVICENA Counterpulsation FSI Displacement factor curve 

Notes

Acknowledgements

Authors acknowledge the Iran University of Science and Technology for funding this project. They appreciate the cooperation of Prof. Hormoz Mehmanesh and also their colleagues at Tehran Heart Center (THC) for their intellectual guidance during working on this project.

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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  • Mansour Alizadeh
    • 1
  • Shahrokh Rahmani
    • 1
  • Pedram Tehrani
    • 2
  1. 1.School of Mechanical EngineeringIran University of Science and TechnologyTehranIran
  2. 2.Department of Mechanical EngineeringIslamic Azad UniversityTehranIran

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