公开(公告)号：US20080091193A1

公开(公告)日：2008-04-17

申请号：US11953615

申请日：2007-12-10

申请人： James Kauphusman ,  Huisun Wang ,  Jeremy Dando ,  Harry Puryear

发明人： James Kauphusman ,  Huisun Wang ,  Jeremy Dando ,  Harry Puryear

IPC分类号： A61B18/14

CPC分类号： A61B18/1492 ,  A61B2018/00577 ,  A61B2018/00791 ,  A61B2034/2051 ,  A61B2218/002

摘要： Embodiments of the present invention provide an irrigated ablation electrode assembly for use with an irrigated catheter device comprises at least one passageway for a fluid with an outlet disposed at an external surface of the electrode assembly; a permanent magnet; a shield separating the permanent magnet from the at least one passageway and from an exterior, the shield being substantially less oxidizable than the permanent magnet; and an electrode having an external electrode surface. A catheter guidance control and imaging system drives the permanent magnet to guide and control the catheter tip. In specific embodiments, the irrigation fluid flow paths through the electrode assembly are thermally insulated from the electrode and temperature sensor. The irrigation fluid is directed at target areas where coagulation is more likely to occur. One or more monitoring electrodes are provided for mapping or other monitoring functions.

摘要翻译： 本发明的实施例提供了一种与灌溉导管装置一起使用的灌溉消融电极组件，其包括用于流体的至少一个通道，其中出口设置在电极组件的外表面处; 永久磁铁 将所述永磁体与所述至少一个通道和外部分离的屏蔽件，所述屏蔽件比所述永磁体基本上更不可氧化; 和具有外部电极表面的电极。 导管引导控制和成像系统驱动永磁体引导和控制导管尖端。 在具体实施例中，穿过电极组件的冲洗流体流动路径与电极和温度传感器热绝缘。 冲洗液被引导到更可能发生凝结的目标区域。 提供一个或多个监视电极用于映射或其他监视功能。