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    题名: A Fast Adaptive Power Scheme with Different Heating Modes for Optimal Hyperthermia Treatment
    作者: Huang, Huang-Wen;Lin, In-Ho;Chen, Duen-Kai;Jen, Min-Lun;Chen, Xiang-Yun
    贡献者: 淡江大學資訊創新與科技學系
    关键词: Adaptive power scheme;Hyperthermia;Bio-heat transfer equation;Thermally significant blood vessel
    日期: 2014-12-06
    上传时间: 2014-12-09 10:46:03 (UTC+8)
    出版者: 臺中市:逢甲大學
    摘要: To elevate tissue temperature to therapeutic level fast with optimal power deposition during hyperthermia treatment (HT) is a key treatment processing step. Traditionally we have treated the tumor volume, without considering possible existing thermally significant vessels, using a simple 1st-order temperature-based adaptive power scheme to determine optimal power deposition distributions. The difficulty of that approach when considering single large blood vessel, and proposed a novel fast scheme that could improve upon and substitute for the traditional temperature-based adaptive power scheme has been published by Huang etal [1]. The objectives of this study were to discuss the case with more than one thermally significant blood vessels (i.e. counter-current vessels) within a tumor. In this study, we presented the test of a novel three-coefficient-and two-SCV 5th-order temperature-based adaptive power scheme to resolve the induced large blood vessels problem in 3-D temperature distribution and introduced the parameter, SCV (Sentinel Convergence Value), to handle interior scheme shift. The 7th-order case will be discussed to resolve more convection involved blood vessels in the tumor. Results of the novel adaptive power scheme has
    shown its robustness to fast approach optimal temperature distribution and power density distribution with high precision in the tumor volume when considering the existence of thermally significant blood vessel. Ultimately, we may be able to effectively calculate the absorbed power density distribution of 3-D biological tissues with a complicated vasculature [2] in the volume.
    關聯: 中國機械工程學會第三十一屆全國學術研討會論文集
    显示于类别:[資訊創新與科技學系] 會議論文


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