医用突发电磁波聚焦系统

H. Ishizawa, M. Hashimoto, T. Tanabe, S. Hosseini, S. Katsuki, H. Akiyama
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引用次数: 2

摘要

利用亚纳秒高电压脉冲诱导恶性细胞凋亡和控制ES细胞分化的研究已经开展,结果鼓励作者开发一种用于诱导癌细胞凋亡的高功率突发电磁波聚焦系统。该系统由一个发射天线和一个聚焦辐射波的椭球反射器组成。椭球面反射器具有将从第一焦点辐射的突发电磁波聚焦到第二焦点的特性,从而增强了第二焦点处的电场。该系统浸泡在热水中,避免了活体组织与电磁波传播介质的介电常数不匹配,从而减少了活体组织表面的反射和折射,使爆发电磁波更准确地聚焦在第二焦点上。本文给出了实验和仿真结果,以比较天线向活体组织辐射突发电磁波的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Burst electromagnetic wave focusing system for medical application
Inducing apoptosis in malignant cells and controlling ES cell differentiation using subnanosecond high voltage pulses have previously been investigated, and results encouraged these authors to develop a high power burst electromagnetic wave focusing system for apoptosis induction in cancer cells. This system consists of a transmitting antenna and an ellipsoidal reflector which focuses radiation waves. The ellipsoidal reflector has the characteristic of focusing the burst electromagnetic waves radiated from the first focal point to the second focal point, thus enhancing the electric field at the second focal point. This system is immersed in heated water to avoid permittivity mismatch between living tissue and the medium in which electromagnetic waves propagate, thereby reducing the reflection and refraction at the surface of living tissue and focusing more accurately the burst electromagnetic waves on the second focal point. This paper presents the experimental and simulated results so as to compare antennas to radiate the burst electromagnetic wave to living tissue.
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