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초음파 조사 조건에 따른 하지정맥류 유사 팬텀 내 혈관 유사 물질의 주변 온도 특성
정태웅(Tae-Woong Jung),김성철(Seong-Cheol Kim),신경원(Kyoung-Won Shin),노수미(Su-mi Noh),최흥호(Heung-Ho Choi) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
In this study, surrounding temperature characteristics of vessel-mimicking material in the varicose vein phantom were investigated according to the interval of the sonication in the treatment of varicose vein using ultrasound. When the same energy was applied, the temperature distribution around the vessel-mimicking material was checked according to the sonication method. In the moving method, it was moved at intervals of 0.5, 1.1, 2.5, 3.3 mm and fixed at a maximum moving distance of 10 mm. The thermocouple was implanted at intervals of 3, 6, and 9 mm based on vessel-mimicking materials. As a result of measuring the temperature around the vessel-mimicking substance under the same irradiation condition, based on the protein denaturation temperature of 43℃, a temperature higher than 43℃ was confirmed in a single sonication, a temperature lower than the reference temperature was confirmed in the movement interval excluding the 2.5 mm movement interval. The difference in contraction rate of vessel-mimicking material according to sonication method and move interval was not more than ± 5%. Based on the results of this experiment, it is thought that it will contribute to the study of ultrasound therapy protocol considering the contraction rate and the safety of the surrounding tissues according to the interval of movement in the treatment of varicose vein using ultrasound.
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