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DIRECTIVE WINDOW ABLATION ANTENNA WITH DIELECTRIC LOADING
专利权人:
Inc.;Vivant Medical
发明人:
Joseph D. Brannan
申请号:
US13711164
公开号:
US20130103025A1
申请日:
2012.12.11
申请国别(地区):
US
年份:
2013
代理人:
摘要:
An electrosurgical device for directing energy to a target volume of tissue includes a coaxial feedline having an inner conductor, an outer conductor coaxially disposed around the inner conductor, and a dielectric material disposed therebetween. An elongated electrically-conductive member is longitudinally disposed at a distal end of the inner conductor. A balun structure is disposed on the outer conductor. The device also includes an electrically-conductive cylinder coaxially disposed around a distal portion of the balun structure, and a dielectric structure disposed substantially adjacent to a distal end of the electrically-conductive cylinder, wherein the dielectric structure longitudinally extends from the distal end of the electrically-conductive cylinder to a distal end of the electrically-conductive member.
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