Study on an Internal Ultrasound Therapy Method Based on the Chirp-coded Excitation

doi:10.7517/issn.1674-0475.220338

IMAGING SCIENCE AND PHOTOCHEMISTRY ›› 2022, Vol. 40 ›› Issue (5): 997-1003.DOI: 10.7517/issn.1674-0475.220338

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Study on an Internal Ultrasound Therapy Method Based on the Chirp-coded Excitation

CHEN Beiyi^1,2, NING Chuanlong², ZHANG Rui^1,2, HUANG Wenchang^1,2, XU Jie², SHAO Weiwei², CUI Yaoyao²

1. School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Suzhou 215000, Jiangsu, P. R. China;
2. Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, Jiangsu, P. R. China

Received:2022-04-13 Published:2022-09-13

Abstract

Abstract: Ultrasound ablation is a method of treating cancer and other diseases which has received a lot of attention. The paper put forward an internal ultrasound therapy method based on Chirp-coded excitation which was studied in order to expand the therapeutic area and to reduce treatment duration. The self-made experimental platform and driving system were used in phantom experiments. The results of polyacrylamide (PAA) phantom experiments showed that, compared with constant-frequency excitation, Chirp-coded excitation can expand the effective treatment area of single ablation. On the basis of ensuring the range of ablation, the overall treatment duration can be effectively reduced.

Key words: internal ultrasound, ultrasound ablation, signal modulation, thermal effect, cavitation effect

CHEN Beiyi, NING Chuanlong, ZHANG Rui, HUANG Wenchang, XU Jie, SHAO Weiwei, CUI Yaoyao. Study on an Internal Ultrasound Therapy Method Based on the Chirp-coded Excitation[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(5): 997-1003.

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Study on an Internal Ultrasound Therapy Method Based on the Chirp-coded Excitation

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