水冷式微波消融天线的特性研究  

Characteristic Study on a Water-Cooled Microwave Ablation Antenna

作　　者：南群[1] 李靓[1] 刘有军[1] 曾毅[1] 

机构地区：[1]北京工业大学,生命科学与生物工程学院,北京100124

出　　处：《北京工业大学学报》2009年第5期674-678,共5页Journal of Beijing University of Technology

基　　金：国家自然科学基金资助项目(30470450、30770547);北京市自然科学基金资助项目(3072004)

摘　　要：针对热消融术中的水冷式微波天线的特性进行了研究,采用体模实验和离体实验确定了天线的比吸收率(SAR)及热消融范围.结果表明,水冷式微波天线能降低中心区温度,避免炭化现象的产生,热消融区类似于椭球形.This paper conducts the characteristic study on a water-cooled microwave ablation antenna.The specific absorption rate distribution and ablation area is determined from the phantom and vitro pig liver experiments.Results show that a water-cooled antenna can reduce the carbonization of tissue near the microwave antenna by reducing the center temperature and the ablation area is more like elliptical.

关 键 词：微波消融 温度场 SAR 

分 类 号：R318[医药卫生—生物医学工程]