{"title":"微波消融过程中肝脏局部加热多槽同轴天线的形状优化","authors":"Piotr Gas, B. Szymanik","doi":"10.1109/IIPHDW.2018.8388381","DOIUrl":null,"url":null,"abstract":"Ablation is commonly used medical procedure for removal of liver tumors. It is minimally invasive technique that is based on the insertion of a thin needle antenna into malignant tissue and heating the region of interest by microwaves. The aim of this work is to optimize shape of a microwave antenna with 50-ohm feed and multiple air gaps. Fundamental sizes of cylindrical antenna should be changed, in particular dimensions of antenna slots and distances between them. Change of the geometry should be done in such a way as to obtain the best impedance matching of the antenna-tissue system. Therefore, 511-scattering parameter will be used in the objective function. Importantly, the antenna operates at working frequency equal to 2.45 GHz.","PeriodicalId":405270,"journal":{"name":"2018 International Interdisciplinary PhD Workshop (IIPhDW)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"Shape optimization of the multi-slot coaxial antenna for local hepatic heating during microwave ablation\",\"authors\":\"Piotr Gas, B. Szymanik\",\"doi\":\"10.1109/IIPHDW.2018.8388381\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Ablation is commonly used medical procedure for removal of liver tumors. It is minimally invasive technique that is based on the insertion of a thin needle antenna into malignant tissue and heating the region of interest by microwaves. The aim of this work is to optimize shape of a microwave antenna with 50-ohm feed and multiple air gaps. Fundamental sizes of cylindrical antenna should be changed, in particular dimensions of antenna slots and distances between them. Change of the geometry should be done in such a way as to obtain the best impedance matching of the antenna-tissue system. Therefore, 511-scattering parameter will be used in the objective function. Importantly, the antenna operates at working frequency equal to 2.45 GHz.\",\"PeriodicalId\":405270,\"journal\":{\"name\":\"2018 International Interdisciplinary PhD Workshop (IIPhDW)\",\"volume\":\"43 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 International Interdisciplinary PhD Workshop (IIPhDW)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IIPHDW.2018.8388381\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 International Interdisciplinary PhD Workshop (IIPhDW)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IIPHDW.2018.8388381","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Shape optimization of the multi-slot coaxial antenna for local hepatic heating during microwave ablation
Ablation is commonly used medical procedure for removal of liver tumors. It is minimally invasive technique that is based on the insertion of a thin needle antenna into malignant tissue and heating the region of interest by microwaves. The aim of this work is to optimize shape of a microwave antenna with 50-ohm feed and multiple air gaps. Fundamental sizes of cylindrical antenna should be changed, in particular dimensions of antenna slots and distances between them. Change of the geometry should be done in such a way as to obtain the best impedance matching of the antenna-tissue system. Therefore, 511-scattering parameter will be used in the objective function. Importantly, the antenna operates at working frequency equal to 2.45 GHz.
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