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Journal of Medical Systems

Erschienen in:

01.10.2011 | Original Paper

A Study of Heating Duration and Scanning Path in Focused Ultrasound Surgery

verfasst von: Dehui Li, Guofeng Shen, Hui Luo, Jinfeng Bai, Yazhu Chen

Erschienen in: Journal of Medical Systems | Ausgabe 5/2011

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Abstract

A conventional method of avoiding normal tissue overheating during focused ultrasound surgery (FUS) is to apply equal heating duration for each sonication in between cooling intervals. However, this method is time-consuming and expensive. A novel method with unequal heating duration in different scanning paths without cooling intervals was investigated in this paper. This method was compared with the conventional method through the ablation of a 10 × 10 cm² target. The simulation results indicated that the new method was able to reduce treatment time by more than 50%, with higher than 95% coverage index, and more uniform thermal dose distribution. The method was further verified through the ablation of a circular lesion. Ex vivo experiments were also performed to confirm the simulation results. Both simulation and experimental results have proven that the new method can increase heating efficiency, and are a promising new approach in FUS.

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Titel: A Study of Heating Duration and Scanning Path in Focused Ultrasound Surgery
verfasst von: Dehui Li
Guofeng Shen
Hui Luo
Jinfeng Bai
Yazhu Chen
Publikationsdatum: 01.10.2011
Verlag: Springer US
Erschienen in: Journal of Medical Systems / Ausgabe 5/2011
Print ISSN: 0148-5598
Elektronische ISSN: 1573-689X
DOI: https://doi.org/10.1007/s10916-010-9463-6

Springer Medizin

Abstract

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