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《工程(英文)》 >> 2018年 第4卷 第5期 doi: 10.1016/j.eng.2018.07.008

基于超声引导的高精度机器人辅助HIFU 乳腺癌治疗系统

a Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
b Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan

收稿日期: 2017-03-31 修回日期: 2017-12-21 录用日期: 2018-07-10 发布日期: 2018-07-17

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摘要

乳腺癌是女性中最常见的癌症。高强度聚焦超声(波)(HIFU)是一种很有前景的非介入式治疗方法。为了提高HIFU 治疗的精确度和降低治疗成本,开发了一套基于超声引导(US)的五自由度辅助HIFU 系统。搭建了一套功能齐全的样机,它可以轻松地实现三维超声图像重建、目标分割、治疗路径生成和HIFU 自动照射等功能。利用线模型实现点定位,并且在异构组织模型上对凝固区域进行评估。在超声引导下,HIFU 治疗区域的中心偏离目标治疗区域中心不到2 mm。规划治疗区域周围出现的超调值远低于在临床使用的允许值。对于乳腺癌的治疗,本系统有足够的准确性。

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