%A Huan Xu(许欢), Peng-Fei Fan(范鹏飞), Yong Ma(马勇), Xia-Sheng Guo(郭霞生), Ping Yang(杨平), Juan Tu(屠娟), Dong Zhang(章东) %T Study on shock wave-induced cavitation bubbles dissolution process %0 Journal Article %D 2017 %J Chin. Phys. B %R 10.1088/1674-1056/26/2/024301 %P 24301-024301 %V 26 %N 2 %U {https://cpb.iphy.ac.cn/CN/abstract/article_119340.shtml} %8 2017-02-05 %X

This study investigated dissolution processes of cavitation bubbles generated during in vivo shock wave (SW)-induced treatments. Both active cavitation detection (ACD) and the B-mode imaging technique were applied to measure the dissolution procedure of biSpheres contrast agent bubbles by in vitro experiments. Besides, the simulation of SW-induced cavitation bubbles dissolution behaviors detected by the B-mode imaging system during in vivo SW treatments, including extracorporeal shock wave lithotripsy (ESWL) and extracorporeal shock wave therapy (ESWT), were carried out based on calculating the integrated scattering cross-section of dissolving gas bubbles with employing gas bubble dissolution equations and Gaussian bubble size distribution. The results showed that (i) B-mode imaging technology is an effective tool to monitor the temporal evolution of cavitation bubbles dissolution procedures after the SW pulses ceased, which is important for evaluation and controlling the cavitation activity generated during subsequent SW treatments within a treatment period; (ii) the characteristics of the bubbles, such as the bubble size distribution and gas diffusion, can be estimated by simulating the experimental data properly.