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Author:

Yang, Chunlan (Yang, Chunlan.) | Sheng, Lei (Sheng, Lei.) | Wu, Shuicai (Wu, Shuicai.) (Scholars:吴水才) | Bai, Yanping (Bai, Yanping.)

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EI Scopus

Abstract:

The main purpose of this paper was to validate whether the method using features of ultrasonic radio frequency signal (URFS) is effective for non-invasive monitoring in microwave ablation. A total of 15 fresh in vitro porcine livers were experimented. Features of amplitude integral, energy, sum of absolute value of difference (SAD) integral, time-shift and attenuation coefficient of URFS were extracted. Changing rules of these features and the relationships between time-shift, attenuation coefficient and tissue temperature were analyzed. Experimental results showed that maximums of amplitude integral, energy and SAD integral occur at the temperature within 50-60°C. In addition, there was a linear relationship between time-shift and tissue temperature within 60°C and the ultrasonic attenuation coefficient increased with the temperature rising. Therefore, features of URFS can reflect the change of tissue property and may be used in the non-invasive monitoring of microwave ablation in the future. © 2011 IEEE.

Keyword:

Microwaves Tissue engineering Ablation Electromagnetic field measurement Tissue Radio waves

Author Community:

  • [ 1 ] [Yang, Chunlan]College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
  • [ 2 ] [Sheng, Lei]College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
  • [ 3 ] [Wu, Shuicai]College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China
  • [ 4 ] [Bai, Yanping]College of Life Science and Bioengineering, Beijing University of Technology, Beijing, China

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Year: 2011

Volume: 3

Page: 55-58

Language: English

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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