Treatable focal region modulated by double excitation signal superimposition to realize platform temperature distribution during transcranial brain tumor therapy with high-intensity focused ultrasound*

Project supported by the National Natural Science Foundation of China (Grant No. 81272495) and the Natural Science Foundation of Tianjin, China (Grant No. 16JC2DJC32200).

Chang Shi-Hui1, Cao Rui2, Zhang Ya-Bin1, 3, Wang Pei-Guo4, Wu Shi-Jing1, Qian Yu-Han1, Jian Xi-Qi1, †
       

(color online) Temperature fields with F1 (0, 1, 75), F2 (0, −1, 75), Δt = 400 ns, M = 0.45 and the maximum focal temperature of 65 °C (Pw = 103.05 W), showing (a) temperature distribution on the yz plane of x = 0 and cross sections of the focal region (yellow area) over 55 °C on (b) yz plane and (c) xz plane respectively.