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1. 发明申请

US20130197499A1 BALLOON DESIGN TO ENHANCE COOLING UNIFORMITY 有权
标题翻译：气球设计，以加强冷却均匀性
公开(公告)号：US20130197499A1
公开(公告)日：2013-08-01
申请号：US13360430
申请日：2012-01-27
申请人： Jean-Pierre LALONDE , Scott W. DAVIE , Dan WITTENBERGER
发明人： Jean-Pierre LALONDE , Scott W. DAVIE , Dan WITTENBERGER
IPC分类号： A61B18/02
CPC分类号： A61B18/02 , A61B18/1492 , A61B2018/0022 , A61B2018/00255 , A61B2018/00375 , A61B2018/00577 , A61B2018/00648 , A61B2018/00791 , A61B2018/00994 , A61B2018/0212 , A61B2018/0268 , A61B2018/0275 , A61B2090/064
摘要： A device, system, and method for enhancing cooling uniformity and efficiency of cryogenic fluids and providing a treatment element the shape of which can be adjusted for multiple purposes. The device may include a balloon catheter and fluid dispersion element, the fluid dispersion element directing the flow of coolant from a fluid injection element the interior wall of the balloon. The method of changing the shape of the treatment element may include retracting and extending a shaft to which the distal neck of a balloon is coupled, so that the balloon goes from a first shape to a second shape.
摘要翻译：一种用于增强低温流体的冷却均匀性和效率的装置，系统和方法，并提供一种处理元件，其形状可以被调整用于多种目的。该装置可以包括球囊导管和流体分散元件，流体分散元件将来自流体注射元件的冷却剂流引导到气囊的内壁。改变处理元件的形状的方法可以包括缩回和延伸气球的远端颈部所连接的轴，使得气球从第一形状变为第二形状。

2. 发明申请

US20130281997A1 METHOD FOR TREATMENT OF VT USING ABLATION 审中-公开
标题翻译：用于治疗VT的方法
公开(公告)号：US20130281997A1
公开(公告)日：2013-10-24
申请号：US13451637
申请日：2012-04-20
申请人： Scott W. DAVIE
发明人： Scott W. DAVIE
IPC分类号： A61B18/02 , A61B18/18 , A61B18/04
CPC分类号： A61B18/02 , A61B5/04012 , A61B5/0422 , A61B5/6853 , A61B18/04 , A61B18/1815 , A61B18/20 , A61B2017/320069 , A61B2018/00357 , A61B2018/00363 , A61B2018/00577 , A61B2018/00797 , A61B2090/064
摘要： A method and system for treating ventricular tachycardia (VT) by ablating scarred myocardial tissue containing a reentrant VT circuit. The method generally includes measuring electrical activity at a plurality of sites within a heart, identifying an area of scarred myocardial tissue based at least in part on the electrical activity measurements, and ablating substantially all of the scarred area. The system generally includes a medical device having a distal end, a plurality of electrical conduction sensors coupled to the distal end, and a console in communication with the distal end of the device, the console including a computer with display. The computer may be programmed to identify optimal ablation sites within a target tissue and the location of an isthmus associated with a reentrant VT circuit within a target tissue, the identifications being based at least in part on the measurements of the electrical conduction sensors.
摘要翻译：通过消融含有可折返VT电路的瘢痕性心肌组织来治疗室性心动过速（VT）的方法和系统。该方法通常包括测量心脏内多个部位的电活动，至少部分地基于电活动测量识别瘢痕性心肌组织的区域，以及彻底消除所有的瘢痕区域。该系统通常包括具有远端的医疗装置，耦合到远端的多个电传导传感器以及与装置的远端连通的控制台，该控制台包括具有显示器的计算机。计算机可以被编程为识别目标组织内的最佳消融位置和与目标组织内的可重入VT电路相关联的峡部的位置，该标识至少部分地基于电传导传感器的测量。

3. 发明申请

US20120265084A1 ELECTROPHYSIOLOGICAL SIGNAL PROCESSING AND UTILIZATION 审中-公开
标题翻译：电生理信号处理与利用
公开(公告)号：US20120265084A1
公开(公告)日：2012-10-18
申请号：US13084853
申请日：2011-04-12
申请人： Mark T. STEWART , Scott W. DAVIE , Giles DESROCHERS
发明人： Mark T. STEWART , Scott W. DAVIE , Giles DESROCHERS
IPC分类号： A61B5/0402
CPC分类号： A61B5/743 , A61B5/01 , A61B5/0215 , A61B5/0402 , A61B5/0422 , A61B5/055 , A61B5/14542 , A61B5/6852 , A61B6/12 , A61B6/503 , A61B8/0841 , A61B8/0883
摘要： A method of mapping electrophysiological information, including receiving imaging information for a tissue region; receiving a monophasic action potential signal from the tissue region; assigning a value corresponding to a depolarization segment of the monophasic action potential signal; receiving location information associated with the monophasic action potential signal; and generating an image based on the imaging information, the assigned value, and the location information.
摘要翻译：一种映射电生理信息的方法，包括接收组织区域的成像信息; 从所述组织区域接收单相动作电位信号; 分配与单相动作电位信号的去极化部分对应的值; 接收与单相动作电位信号相关联的位置信息; 以及基于成像信息，分配值和位置信息生成图像。

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