Investigation of the temperature effect of ultrasound used in cancer therapy

B. Karaböce, Emel Çetin, H. Durmuş, Mithat Özdingis
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引用次数: 3

Abstract

In present study, temperature rise in a tissue — mimicking material induced by a HIFU (High Intensity Focused Ultrasound) transducer was examined with two different methods. In order to determine the temperature rise inside and distribution on the surface of a Tissue-Mimicking Material (TMM), T-type thermocouple (TC) temperature sensors and infrared (IR) camera system was used in the first and second method respectively. During the ultrasonic power application, temperature increase and distribution in the TMM have been represented. Temperature measurements were realized inside a TMM which has characteristics very similar to human liver tissue. Temperature rise has been measured for different input ultrasonic powers and durations. Two different temperature measuring tools were compared and consistency between these methods was presented.
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超声温度效应在肿瘤治疗中的应用研究
本研究采用两种不同的方法对高强度聚焦超声换能器诱导的组织模拟材料的温升进行了研究。为了确定仿组织材料(TMM)内部的温升及其表面分布,分别采用t型热电偶温度传感器和红外相机系统进行了第一种和第二种方法的研究。在超声功率应用过程中,温度的升高和分布在TMM。温度测量是在一个与人类肝组织非常相似的TMM内实现的。测量了不同输入功率和持续时间下的温升。比较了两种不同的测温工具,并给出了它们之间的一致性。
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