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ELECTROSURGICAL DEVICES WITH BALUN STRUCTURE FOR AIR EXPOSURE OF ANTENNA RADIATING SECTION AND METHOD OF DIRECTING ENERGY TO TISSUE USING SAME
ELECTROSURGICAL DEVICES WITH BALUN STRUCTURE FOR AIR EXPOSURE OF ANTENNA RADIATING SECTION AND METHOD OF DIRECTING ENERGY TO TISSUE USING SAME
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机译:天线辐照部分空气暴露的具有巴伦结构的电设备和使用该设备的组织能量指示方法
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摘要
An energy applicator for directing energy to tissue includes a feedline having an inner conductor, an outer conductor and a dielectric material disposed therebetween, and an antenna assembly having a radiating section operably coupled to the feedline. The energy applicator also includes a first balun structure configured to substantially confine energy to the radiating section when the energy applicator is energized and disposed in tissue, and a second balun structure configured to substantially prevent energy emitted from the radiating section from propagating proximal to the second balun structure along the feedline when the energy applicator is energized but not disposed in tissue.
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