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A Mathematical Model of a Thermoelectric Device for Extracting Foreign Objects from the Human Body by Freezing

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Biomedical Engineering Aims and scope

A model of a thermoelectric device for extracting foreign bodies from the human body by freezing is presented. The model was implemented by solving the heat conduction problem, taking account of the phase transition of the substance and the thermophysical properties of the biological object, the foreign body, and the thermoelectric cooling module. Numerical modeling yielded relationships between the time to complete freezing of the moist sponge, which determines the time required to attach the foreign body to the probe, and the cooling capacity of the thermoelectric cooling module. The relationships were determined for different thicknesses of the sponge. The device was shown to be compatible with a standard thermoelectric cooling module with a refrigeration power of 5000-10,000 W/m2 corresponding to treatment durations of 112 to 28 s, respectively.

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Authors and Affiliations

  1. Dagestan State Technical University, Makhachkala, Russia

    T. A. Ismailov, O. V. Yevdulov & A. M. Nasrulaev

Authors
  1. T. A. Ismailov
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  2. O. V. Yevdulov
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  3. A. M. Nasrulaev
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Corresponding author

Correspondence to O. V. Yevdulov.

Additional information

Translated from Meditsinskaya Tekhnika, Vol. 55, No. 3, May-Jun., 2021, pp. 49-52.

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Ismailov, T.A., Yevdulov, O.V. & Nasrulaev, A.M. A Mathematical Model of a Thermoelectric Device for Extracting Foreign Objects from the Human Body by Freezing. Biomed Eng 55, 219–223 (2021). https://doi.org/10.1007/s10527-021-10105-y

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  • DOI: https://doi.org/10.1007/s10527-021-10105-y

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