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[Keyword] RF capacitive heating(1hit)

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  • A Simulation Model of Hyperthermia by RF Capacitive Heating

    Yasutomo OHGUCHI  Naoki WATANABE  Yoshiro NIITSU  Osamu DOI  Ken KODAMA  

     
    PAPER-Medical Electronics and Medical Information

      Vol:
    E75-D No:2
      Page(s):
    219-250

    A new model for a computer simulation of RF capacitive type hyperthermia has been developed by taking account of the following points. Blood flow is usually determined by many physiological parameters, but is regarded as a function of only blood temperature under some conditions. The temperature dependence of blood flow of tumors and normal tissues is assumed by referring the data obtained by Song et al. and Tanaka. The blood temperature which is elevated by externally applied power significantly affects temperatures of the body and the tumors. The transport of heat from the body surface is studied by considering air convection. These points are examined by experiments on a computer with simple phantom models and real patients. The results of simulation on the patient have shown a good agreement with clinical inspection based on CT images and a temperature of the stomach.