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非接觸式灸療溫度場的估計

Estimation of Indirect Moxibustion’s Temperature Field Distribution

作者: 陳志宏  江國泰  黃純權(quán) 
單位:同濟(jì)大學(xué)生命科學(xué)與技術(shù)學(xué)院(上海200092)
關(guān)鍵詞: 灸療;溫度場;生物傳熱;有限元 
分類號:
出版年·卷·期(頁碼):2010·29·3(221-224)
摘要:

目的 研究非接觸性艾灸的溫度場分布,為調(diào)控灸療過程和提高灸療效果提供依據(jù)。 方法 根據(jù)生物傳熱的相關(guān)理論,建立描述人體組織內(nèi)部在非接觸性艾灸時的溫度場理論模型,并據(jù)此推導(dǎo)當(dāng)艾灸強(qiáng)度確定時,影響該溫度場分布的體內(nèi)異常熱源深度與施灸處皮膚溫度的對應(yīng)關(guān)系。結(jié)果 在不同艾灸強(qiáng)度下,根據(jù)對應(yīng)關(guān)系計算出的結(jié)果與有限元的分析結(jié)果進(jìn)行比較,結(jié)果顯示對體內(nèi)異常熱源深度的估測結(jié)果與有限元仿真分析結(jié)果十分接近。而組織內(nèi)部溫度場理論模型的正確性也得到了物理實(shí)驗的驗證。結(jié)論 本文提出的根據(jù)人體皮膚表面溫度和艾灸強(qiáng)度估計體內(nèi)異常熱源的深度信息,繼而估計出組織內(nèi)溫度場的方法具有一定的適用性,將有助于臨床灸療的方案設(shè)計。

Objective To study the temperature distribution of indirect moxibustion for regulating moxibustion process and promoting its efficacy. Method According to the related biological heat transfer theories, a heat transfer theoretical model of indirect moxibustion was established. Based on this model,the relationship between skin temperature and the depth of inner abnormal heat source was discussed and its expression was deduced. Results According to the deduced expression, the depth of the inner heat source could be calculated, and its value was well consistent with that of the finite element stimulation. The reasonability of the theoretical model of the indirect moxibustion was also validated by the designed physical experiment. Conclusion The temperature field of indirect moxibustion would be estimated by obtaining the information of skin temperature and the heat stimulus of moxa stick, which would help better understand the heat transfer process in indirect Moxibustion and provide a foundation for treatment planning.

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