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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >Bi-layered/tri-layered bio-media in direct contact with metal diagonal horn for hyperthermia
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Bi-layered/tri-layered bio-media in direct contact with metal diagonal horn for hyperthermia

机译：双层/三层生物介质与金属对角线直接接触以治疗体温过高

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摘要

In this paper, theoretical/simulation study of specific absorption rate (SAR) and/or temperature distributions in a bi-layered bio-media (fat and muscle)/realistic tri-layered bio-media (skin, fat, and muscle layers) in direct contact with water-loaded metal diagonal horn (MDH) designed at 915 MHz are investigated. The effects of fat thickness on the input reflection coefficient, reflection coefficient at the interface between the MDH and the bi-layered bio-media, and the SAR distribution in the bi-layered bio-media are also studied through simulation and theoretically at 915 MHz. Further, the SAR parameters such as penetration depth and effective field size inside the bi-layered bio-media due to the MDH are evaluated theoretically and the theoretical results are compared with the corresponding simulation results. Finally, SAR and temperature distributions in tri-layered bio-media without and with embedded irregular/oval-shaped tumor are provided for demonstrating the hyperthermia performance of the MDH applicator.
机译：在本文中，对双层生物介质（脂肪和肌肉）/真实的三层生物介质（皮肤，脂肪和肌肉层）中的比吸收率（SAR）和/或温度分布进行理论/模拟研究研究了与设计在915 MHz的带水金属对角喇叭（MDH）直接接触的情况。脂肪厚度对输入反射系数，MDH与双层生物介质之间的界面处的反射系数以及双层生物介质中SAR分布的影响也通过仿真和理论上在915 MHz上进行了研究。此外，理论上评估了由MDH引起的双层生物介质内部的SAR参数（如穿透深度和有效场大小），并将理论结果与相应的仿真结果进行了比较。最后，提供了无和具有嵌入式不规则/卵形肿瘤的三层生物介质中的SAR和温度分布，以证明MDH施加器的热疗性能。

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