Refinement of a Microwave Needle Applicator for Cancer Therapy via Metamaterials

被引：0
作者：
Portosi, Vincenza [1 ]
Loconsole, Antonella Maria [1 ]
Valori, Marcello [2 ]
Marrocco, Valeria [2 ]
Bonelli, Francesco [3 ]
Pascazio, Giuseppe [3 ]
Lampignano, Vito [4 ]
Fasano, Antonella [4 ]
Prudenzano, Francesco [1 ]
机构：
[1] Politecn Bari, Dept Electr & Info Engn, Bari, Italy
[2] CNR, STIIMA, Bari, Italy
[3] Politecn Bari, Dept Mech Math & Management, Bari, Italy
[4] Neetra Srl, Modugno, Italy
来源：
PROCEEDINGS OF THE 2022 21ST MEDITERRANEAN MICROWAVE SYMPOSIUM (MMS 2022) | 2022年
基金：
欧盟地平线“2020”;
关键词：
microwave needle; thermal ablation; cancer therapy; ANTENNA; ABLATION; TISSUE; VIVO;
D O I：
10.1109/MMS55062.2022.9825526
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The insertion of a metamaterial (MTM) lens based on Closed Loop Resonator (CLR) into a needle microwave applicator is investigated for a more efficient hyperthermia cancer therapy. Several geometries are designed and optimized, Closed Circular-Ring Resonator (CCRR) with circular loops and Closed Square-Ring Resonator (CSRR) with square loops, with one or more concentric loops. The MTM lens is bended around to the radiating section of the antenna to form a cylindrical 3D structure. Preliminary investigations have been focused to increase the device feasibility and patient wellness. The applicator is a slot coaxial antenna inserted into a surgical needle of 16 G and operating around at the center of Industrial, Scientific, and Medical (ISM) frequency band. The experimental results pertaining to a preliminary fabricated prototype of needle applicator are encouraging, and the simulation results suggest that they could be improved by using the investigated MTM lens.
引用
收藏
页码：315 / 319
页数：5
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