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Improvement of deep body thermometer for man

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Abstract

A noninvasive method of monitoring the deep body temperature in man, originally presented by Fox and Solman, was improved. The method was based on a technique of a heat flow compensation. From a theoretical analysis, we found that heat insulation in the original Fox-type probe was incomplete and we modified the structure in the probe; i.e., the circumference of the probe was maintained at the same temperature as the center. We compared theoretically and experimentally the original Fox-type with the modified probe. An improvement in accuracy was expected theoretically and that result was verified by a thermographic analysis. In animal experiments, the response of the improved thermometer was accurate and rapid for a stepwise change in the internal temperature.

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Author notes

  1. Toshio Kobayashi

    Present address: National Food Research Institute, Tokyo, Koto-ku, Japan

Authors and Affiliations

  1. Department of Chemical Engineering, University of Tokyo, Bunkyo-ku, Japan

    Toshio Kobayashi

  2. Institute for Medical and Dental Engineering, Tokyo Medical and Dental University, Chiyoda-ku, Tokyo, Japan

    Tetsu Nemoto, Akira Kamiya & Tatsuo Togawa

Authors
  1. Toshio Kobayashi
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  2. Tetsu Nemoto
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  3. Akira Kamiya
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  4. Tatsuo Togawa
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Kobayashi, T., Nemoto, T., Kamiya, A. et al. Improvement of deep body thermometer for man. Ann Biomed Eng 3, 181–188 (1975). https://doi.org/10.1007/BF02363069

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  • DOI: https://doi.org/10.1007/BF02363069

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