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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/104123


    Title: PRE-COOLING EFFECT ON ULTRA-SONIC HEATING OF SUBCUTANEOUS TISSUE WITH THREE-LAYER ARCHITECTURES: NUMERICAL STUDY
    Authors: Huang-Wen Huang, Yi-Ling Lin and Win-Li Lin
    Contributors: Department of Innovative Information and Technology
    Date: 2015-11-13
    Issue Date: 2015-11-15 18:48:11 (UTC+8)
    Publisher: National Taiwan University
    Abstract: The Liposonix non-invasive treatment uses high intensity focused ultrasound (HIFU) and temperature is about 60 to 70 degrees Celsius (140 to 158 degrees Fahrenheit), restricted to the targeted area with no thermal scattering. Surrounding areas (skin, fat, abdominal cavity) remain within normal body temperature. The objective of this study is to investigate deep heating in subcutaneous tissue with pre-cooling effect for ultrasonic heating. Skin pre-cooling effect is expected to heat tissue in deeper region without excessive heating cutaneous surface in both skin tightening and Liposonix treatments. Ultrasonic absorption coefficient is different in each layer of architecture and frequency plays an important role in delivering energy in tissues. Results showed that cutaneous pre-cooling process could help heating tissues in the deeper region. This will encourage a new design of thermal control in Thermage and Liposonix treatments.
    Relation: Annual Symposium on Biomedical Engineering and Technology
    Appears in Collections:[資訊創新與科技學系] 會議論文

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