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    • 4. 发明申请
    • RADIOFREQUENCY PROBES FOR TISSUE TREATMENT AND METHODS OF USE
    • 用于组织治疗的无线电探测和使用方法
    • WO0203873A3
    • 2002-05-10
    • PCT/US0120632
    • 2001-06-28
    • US HEALTHWOOD BRADFORD J
    • WOOD BRADFORD J
    • A61B18/14A61B19/00
    • A61B18/1477A61B2018/143A61B2018/1432A61B2018/1475A61B2090/3925
    • A device and method for radiofrequency treatment of tissue is disclosed. The device includes an introducer, a plurality of RF electrodes positionable in a nondeployed state within the introducer, and an electrode advancement element. In the nondeployed state, the RF electrodes are contained within the introducer, and separated from the subject's tissue by a plug which substantially occludes the distal end of the introducer. In the method for RF tissue treatment, the introducer is introduced into the tissue of a subject. The RF electrodes are then positioned in the deployed state when the electrode advancement element advances the RF electrodes through the distal end of the introducer, thereby displacing the plug. The electrode advancement element may be a spring-loaded element, and may be actuated by a triggering device on the introducer. The introducer and the RF electrodes may be scored to enhance their visibility in medical imaging studies such as ultrasound, thereby helping to ensure optimal placement of the introducer and the RF electrodes.
    • 公开了一种用于组织射频治疗的装置和方法。 该装置包括导引器,可在导引器内以非部署状态定位的多个RF电极和电极前进元件。 在非部署状态下,RF电极被包含在导引器内,并且通过基本上封闭导引器的远端的插塞与被检者的组织分离。 在用于RF组织处理的方法中,引入器被引入到受试者的组织中。 然后当电极前进元件使RF电极通过引导器的远端前进时,RF电极被定位在展开状态,从而移位插头。 电极推进元件可以是弹簧加载元件,并且可以由导引器上的触发装置来致动。 可以对导引器和RF电极进行刻痕以增强其在诸如超声的医学成像研究中的可见性,从而有助于确保导引器和RF电极的最佳放置。