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39 / 2021-10-13 20:51:24
Numerical simulation of a method to reduce high cranial pressure in high intensity focused ultrasound for transcranial brain therapy
HIFU,transcranial,time reversal,reduce high cranial pressure,PSO
Ultrasound medicine and Engineering（e.g. Ultrasonic diagnosis, interventional ultrasound, ultrasonic • engineering, HIFU etc.）
全文录用
Jiaqi Wang / University of Science and Technology of China
Jinxu Tao / University of Science and Technology of China
Xinyu Guo / University of Science and Technology of China
      Transcranial high intensity focused ultrasound (HIFU) may form hot spots with higher acoustic pressure and temperature in the skull, causing damage to the skull and surrounding tissues. This paper optimized the existing cranial high pressure reduction technology with phase regulation based on the time reversal method and proposed the high cranial pressure reduction algorithm based on particle swarm optimization (PSO-SHPRA), which is an algorithm of adding amplitude modulation to excitation signal and using particle swarm optimization (PSO) to optimize the amplitude modulation coefficients in an iterative manner. To verify the effectiveness of the algorithm, we used the Westervelt nonlinear acoustic propagation equation to carry out numericals based on a transcranial ultrasound therapy model. The results show that reducing the high cranial pressure is feasible when focusing the ultrasound on the intracranial target area. This paper could provide references for clinical therapeutic planning during the HIFU transcranial ultrasound therapy.
重要日期

  • 会议日期

    11月13日

    2021

    至

    11月14日

    2021

  • 09月30日 2021

    报告提交截止日期

  • 11月14日 2021

    注册截止日期

主办单位
IEEE北京分会
中国生物医学工程学会医学物理分会
中国电子学会生命电子学分会
承办单位
中国科学技术大学
安徽省生物医学工程学会
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