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A Study of the Velocity Field in the Sputnik Left Ventricular Assist Device

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Biomedical Engineering Aims and scope

Fluid flow in a transparent hydraulic test system was visualized. The test system was used to simulate the flow created by the Sputnik LVAD pump operating in the nominal mode (4.5 L/min) and at low (3 L/min) and high (6 L/min) rates. The study showed that the fluid flow velocity field in the pump was relatively stable in the diffuser zone. Increases in rotation speed led to a decrease in overall perturbation of the flow field. These results can be used to optimize the operation of the pump.

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Authors and Affiliations

  1. Institute of Biomedical Systems, National Research University of Electronic Technology (MIET), Zelenograd, Moscow, Russia

    A. A. Galiastov, M. V. Denisov & D. V. Telyshev

  2. Institute of Pharmacy, Interdisciplinary Center of Material Science, Martin Luther University Halle–Wittenberg, Halle, Germany

    T. Groth

Authors
  1. A. A. Galiastov
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  2. M. V. Denisov
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  3. T. Groth
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  4. D. V. Telyshev
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Correspondence to A. A. Galiastov.

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Translated from Meditsinskaya Tekhnika, Vol. 55, No. 4, Jul.-Aug., 2021, pp. 37-41.

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Galiastov, A.A., Denisov, M.V., Groth, T. et al. A Study of the Velocity Field in the Sputnik Left Ventricular Assist Device. Biomed Eng 55, 278–283 (2021). https://doi.org/10.1007/s10527-021-10118-7

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  • DOI: https://doi.org/10.1007/s10527-021-10118-7

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