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KMID : 1137820220430030147
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의공학회지
2022 Volume.43 No. 3 p.147 ~ p.152
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Measurement of Internal Temperature Distribution for the Evaluation of Focused Ultrasound (FUS) Stimulation Devices
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Doh Il
Joe Daniel J.
Kim Sung-Mok
Baik Kyung-Min
Kim Yong-Tae
Park Seung-Min
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Abstract
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This research is to measure real-time temperature distribution inside a tissue-mimicking phantom for the safety and effectiveness evaluations of focused ultrasound (FUS) device capable of linear scanning stimulation. Since the focusing area of the FUS stimulation device is smaller than diameter of conventional thermal probe and keeps moving, it is impossible to monitor temperature distribution inside the phantom. By using the phantom with a thin film temperature sensor array inserted, real-time temperature change caused by the FUS device was measured. The translation of the measured temperature peak was also tracked successfully. The present phantom had been exper- imentally proven to be applicable to validate the performance and safety of the therapeutic ultrasound devices.
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KEYWORD
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Focused ultrasound (FUS), Phantom, Internal temperature distribution, Device safety
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