Ultrasonics

Physics of Wave Phenomena

, Volume 19, Issue 1, pp 62-67

Simulation of thermal lesions in biological tissues irradiated by high-intensity focused ultrasound through the rib cage

  • S. A. IlyinAffiliated withLomonosov Moscow Sate University Email author 
  • , S. M. BobkovaAffiliated withLomonosov Moscow Sate University
  • , V. A. KhokhlovaAffiliated withLomonosov Moscow Sate University
  • , L. R. GavrilovAffiliated withAndreyev Acoustics Institute, Russian Academy of Sciences

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Abstract

Thermal effect of high-intensity focused ultrasound on biological tissue behind the rib cage phantom has been numerically simulated. A phased array was used as a source of ultrasound. Temperature and thermal dose distributions in the biological tissue were calculated and used to find the form of thermal lesions. The results of the calculations are in good agreement with experiment and show that the model is applicable for predicting the effect produced by ultrasound in tissue.