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31. 发明申请

WO2007047360A3 DYNAMIC CONTACT ASSESSMENT FOR ELECTRODE CATHETERS 审中-公开
标题翻译：电极导体动态接触评估
公开(公告)号：WO2007047360A3
公开(公告)日：2009-04-23
申请号：PCT/US2006039881
申请日：2006-10-13
申请人： ST JUDE MEDICAL ATRIAL FIBRILL , PAUL SAURAV , CHOU THAO , BELHE KEDAR RAVINDRA , HEIMBECHER REED R
发明人： PAUL SAURAV , CHOU THAO , BELHE KEDAR RAVINDRA , HEIMBECHER REED R
IPC分类号： A61B18/18
CPC分类号： A61B5/036 , A61B5/061 , A61B5/6885 , A61B18/1492 , A61B2018/00351 , A61B2090/065
摘要： An electrode catheter and a method for assessing catheter-tissue contact for tissue ablation are disclosed. An exemplary electrode catheter comprises a flexible catheter shaft. At least one piezoelectric sensor is oriented coaxial to the flexible catheter shaft. The at least one piezoelectric sensor is responsive to movement of the flexible catheter shaft by generating electrical signals corresponding to the amount of movement. The system may also include an output device electrically connected to the at least one piezoelectric sensor. The output device receives the electrical signals for dynamically assessing a level of contact between the flexible catheter shaft and a moving tissue. In another exemplary embodiment, the system may be implemented in a hydrodynamic environment.
摘要翻译：公开了电极导管和用于评估用于组织消融的导管 - 组织接触的方法。示例性电极导管包括柔性导管轴。至少一个压电传感器与柔性导管轴同轴地定向。至少一个压电传感器通过产生对应于移动量的电信号来响应柔性导管轴的移动。该系统还可以包括电连接到至少一个压电传感器的输出装置。输出装置接收用于动态评估柔性导管轴和移动组织之间的接触程度的电信号。在另一个示例性实施例中，系统可以在流体动力学环境中实现。

32. 发明申请

WO2007024785A3 MULTIPOLAR, MULTI-LUMEN, VIRTUAL-ELECTRODE CATHETER WITH AT LEAST ONE SURFACE ELECTRODE AND METHOD FOR ABLATION 审中-公开
标题翻译：具有多个单面表面电极的多层，多层，虚拟电极导体和方法
公开(公告)号：WO2007024785A3
公开(公告)日：2009-04-23
申请号：PCT/US2006032615
申请日：2006-08-21
申请人： ST JUDE MEDICAL ATRIAL FIBRILL , PAUL SAURAV , BELHE KEDAR RAVINDRA
发明人： PAUL SAURAV , BELHE KEDAR RAVINDRA
IPC分类号： A61B18/18
CPC分类号： A61B18/1492 , A61B2018/1467 , A61B2018/1472 , A61B2218/002
摘要： Multipolar, multi lumen, virtual-electrode catheters (10I) and methods for treatment (e.g., treatment of cardiac arrhythmias) with such catheters (10I) are disclosed. The catheters (10I) have at least two internal lumens (14, 16), and at least one internal, flexible electrode (18) rides in each internal lumen. The flexible electrodes (18) carry treatment energy (e.g., radiofrequency energy). The energy exits the catheters (10I) via at least one exit feature (e.g., slots, portholes (26), or micro pores). The methods for treatment include operating the catheters (10I) in different modes depending upon location and type of treatment to be performed. The treatment energy delivered by one of the internal, flexible electrodes (18) may be directed to the other internal, flexible electrode (20); or the energy delivered by one or both of the internal, flexible electrodes (18, 20) may be directed to one or more surface electrodes (22).
摘要翻译：公开了使用这种导管（10I）的多极，多腔，虚拟电极导管（10I）和用于治疗（例如治疗心律失常的方法）的方法。导管（10I）具有至少两个内部腔（14,16），并且至少一个内部柔性电极（18）骑在每个内腔中。柔性电极（18）承载处理能量（例如，射频能量）。能量通过至少一个出口特征（例如，狭槽，孔口（26）或微孔）离开导管（10I）。治疗方法包括根据要进行的治疗的位置和类型以不同的模式操作导管（10I）。由内部柔性电极（18）之一传递的处理能量可以被引导到另一个内部柔性电极（20）; 或者由一个或两个内部柔性电极（18,20）传送的能量可以被引导到一个或多个表面电极（22）。

33. 发明申请

WO2008083108A3 FABRIC ELECTRODE HEAD 审中-公开
标题翻译：织物电极头
公开(公告)号：WO2008083108A3
公开(公告)日：2008-09-25
申请号：PCT/US2007088668
申请日：2007-12-21
申请人： ST JUDE MEDICAL ATRIAL FIBRILL , BELHE KEDAR RAVINDRA , PAUL SAURAV , THAO CHOU , CAO HONG
发明人： PAUL SAURAV , THAO CHOU , CAO HONG
IPC分类号： A61N1/04 , A61N1/05
CPC分类号： A61B18/14 , A61B18/16 , A61B2018/00577 , A61N1/0464 , A61N1/05
摘要： An electrode head (272) is disclosed that utilizes electrically conductive or dissipative fabric (278) to exchange electrical energy with tissue. This electrode head may be used for any appropriate application, such as a catheter electrode, a return electrode, or the like. Any appropriate function may be provided by this electrode head, such as tissue ablation, tissue mapping, or providing an electrical ground.
摘要翻译：公开了一种电极头（272），其使用导电或耗散织物（278）来与组织交换电能。该电极头可用于任何适当的应用，例如导管电极，返回电极等。可以通过该电极头提供任何适当的功能，例如组织消融，组织贴图或提供电接地。

34. 发明申请

WO2008083112A3 CONTACT-SENSITIVE PRESSURE-SENSITIVE CONDUCTIVE COMPOSITE ELECTRODE AND METHOD FOR ABLATION 审中-公开
标题翻译：接触感应敏感导电复合电极及其脱模方法
公开(公告)号：WO2008083112A3
公开(公告)日：2008-09-04
申请号：PCT/US2007088680
申请日：2007-12-21
申请人： ST JUDE MEDICAL ATRIAL FIBRILL , THAO CHOU , PAUL SAURAV , BELHE KEDAR RAVINDRA , CAO HONG
发明人： THAO CHOU , PAUL SAURAV , BELHE KEDAR RAVINDRA , CAO HONG
IPC分类号： A61B18/18
CPC分类号： A61B18/1492 , A61B2018/00577 , A61B2018/00702 , A61B2090/064
摘要： A catheter assembly for pressure-sensitive control of ablation treatment is disclosed. The assembly includes a conductive element, an electrode, and a pressure sensitive conductive composite member positioned between the conductive element and the electrode. At least one of the conductive pin, the pressure sensitive conductive composite element and the ablation electrode are moveable to create an engagement position and a non-engagement position. In the engagement position, the elements are electrically coupled such that ablation energy may be delivered from the conductive pin to the ablation electrode via the pressure sensitive conductive composite element. In the non-engagement position, the elements are electrically decoupled such that ablation energy is not delivered to the ablation electrode. A related method for pressure-sensitive control of ablation is also disclosed.
摘要翻译：公开了一种用于消融治疗的压敏控制的导管组件。组件包括导电元件，电极和定位在导电元件和电极之间的压敏导电复合元件。导电针，压敏导电复合元件和消融电极中的至少一个可移动以产生接合位置和非接合位置。在接合位置，元件被电耦合，使得消融能量可以经由压敏导电复合元件从导电引脚传送到消融电极。在非接合位置，元件被电去耦合，使得消融能量不被输送到消融电极。还公开了一种用于消融的压敏控制的相关方法。

35. 发明申请

WO2008083311A2 PRESSURE-SENSITIVE CONDUCTIVE COMPOSITE CONTACT SENSOR AND METHOD FOR CONTACT SENSING 审中-公开
标题翻译：压力敏感导电复合接触传感器及接触感应方法
公开(公告)号：WO2008083311A2
公开(公告)日：2008-07-10
申请号：PCT/US2007/089099
申请日：2007-12-28
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , BELHE, Kedar Ravindra , PAUL, Saurav
发明人： BELHE, Kedar Ravindra , PAUL, Saurav
IPC分类号： A61B18/08
CPC分类号： A61B18/1492 , A61B5/6885 , A61B2018/00083 , A61B2018/00577 , A61B2018/00875 , A61B2018/00988 , A61B2090/064 , A61B2090/065 , A61B2562/0209 , A61M25/00 , A61M2025/0002 , G01L1/20
摘要： A catheter assembly for assessing contact between the catheter assembly and tissue is disclosed. The assembly includes a catheter shaft and a pressure sensitive conductive composite member whose electrical resistance varies with pressure applied to the catheter assembly. The assembly also includes at least one measurement terminal to permit the measurement of changes in the electrical characteristics of the pressure sensitive conductive composite member. The assembly may optionally include a measurement device to measure resistance, impedance and/or other electrical characteristics. The assembly may utilize a reference electrode secured to the patient's tissue, which permits the measurement device to measure changes between the reference electrode and the at least one measurement terminal. Optionally, the assembly may include a conductive outer layer. Also disclosed are sensor assemblies, contact sensor, methods of contact sensing, and methods of manufacturing relating to the use of pressure sensitive conductive composites.
摘要翻译：公开了一种用于评估导管组件和组织之间的接触的导管组件。组件包括导管轴和压力敏感的导电复合构件，其电阻随着施加到导管组件的压力而变化。组件还包括至少一个测量端子，以允许测量压敏导电复合构件的电特性的变化。组件可以可选地包括测量电阻，阻抗和/或其他电特性的测量装置。组件可以利用固定到患者组织的参考电极，其允许测量装置测量参考电极和至少一个测量终端之间的变化。可选地，组件可以包括导电外层。还公开了传感器组件，接触传感器，接触感测方法以及与使用压敏导电复合材料有关的制造方法。

36. 发明申请

WO2008045832A2 ROBOTIC SURGICAL SYSTEM AND METHOD FOR AUTOMATED THERAPY DELIVERY 审中-公开
标题翻译：机器人手术系统及自动化治疗方法
公开(公告)号：WO2008045832A2
公开(公告)日：2008-04-17
申请号：PCT/US2007/080706
申请日：2007-10-08
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , HAUCK, John, A. , SCHWEITZER, Jeffrey, A. , BELHE, Kedar, Ravindra
发明人： HAUCK, John, A. , SCHWEITZER, Jeffrey, A. , BELHE, Kedar, Ravindra
IPC分类号： A61B18/18
CPC分类号： A61B34/71 , A61B5/6885 , A61B34/20 , A61B34/30 , A61B2017/00026 , A61B2034/105 , A61B2034/107 , A61B2034/2051 , A61B2034/301 , A61B2034/742 , A61B2090/064 , A61B2090/3784 , A61M25/0105
摘要： A method of navigating a medical device (12) through a body of a patient includes providing a topography of at least a portion of the body, accepting user input defining a navigation path (200), robotically navigating the medical device (12) to a starting point on the path, and robotically navigating the medical device (12) along the navigation path (200) to an endpoint. Waypoints (202) defining the navigation path may be input on a graphical representation of the topography using a user interface such as a pointing device or touchscreen. The navigation path (200) may also be defined by tracing a substantially continuous path on the graphical representation. A therapy may be administered while robotically navigating the medical device (12) along the navigation path, either forward or in reverse, or while navigating the medical device (12) along a return path defined by a plurality of virtual breadcrumbs generated as the medical device (12) traverses the navigation path (200).
摘要翻译：通过患者身体导航医疗装置（12）的方法包括提供身体的至少一部分的形貌，接受定义导航路径（200）的用户输入，将医疗装置（12）自动导航到并且沿着导航路径（200）将医疗设备（12）机器人地导航到端点。定义导航路径的路点（202）可以使用诸如指点设备或触摸屏的用户界面在地形的图形表示上输入。还可以通过在图形表示上跟踪基本上连续的路径来定义导航路径（200）。治疗可以沿着导航路径机动地导航医疗装置（12），前向或反向，或者沿着沿着由作为医疗装置生成的多个虚拟面包屑所限定的返回路径导航医疗装置（12）（12）穿过导航路径（200）。

37. 发明申请

WO2007016123A2 MULTIPOLAR, VIRTUAL-ELECTRODE CATHETER WITH AT LEAST ONE SURFACE ELECTRODE AND METHOD FOR ABLATION 审中-公开
标题翻译：具有至少一个表面电极的多极，虚拟电极导管和用于消融的方法
公开(公告)号：WO2007016123A2
公开(公告)日：2007-02-08
申请号：PCT/US2006/028912
申请日：2006-07-26
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , PAUL, Saurav , BELHE, Kedar Ravindra
发明人： PAUL, Saurav , BELHE, Kedar Ravindra
IPC分类号： A61B18/14
CPC分类号： A61B18/1492 , A61B2018/1472
摘要： Virtual-electrode catheters (10, 12) and methods for using such virtual-electrode catheters (10, 12) are disclosed. For example, bipolar (10) and multipolar (12), virtual electrode catheters having at least one internal electrode (16) and at least one surface electrode (20), and methods of using these catheters for treatment of cardiac arrhythmias are disclosed. The catheters may comprise a catheter body (14) with an internal lumen (18) extending within it and adapted to flowingly receive a conductive fluid (34). An exit feature defining a flow path from the internal lumen (18) to the catheter's outer surface may exist through a sidewall (30) of the catheter body. A conductor (16) is mounted within the internal lumen (18) adjacent to the exit feature and is adapted to deliver treatment energy to the tissue via the conductive fluid (34). At least one surface electrode (20) is mounted on the outer surface of the catheter body adjacent to the exit feature.
摘要翻译：公开了虚拟电极导管（10,12）和使用这种虚拟电极导管（10,12）的方法。例如，公开了具有至少一个内部电极（16）和至少一个表面电极（20）的双极（10）和多极（12）虚拟电极导管，以及使用这些导管治疗心律不齐的方法。导管可以包括导管主体（14），导管主体（14）具有在其内延伸并且适于流动地接收导电流体（34）的内腔（18）。限定从内腔（18）到导管外表面的流动路径的出口特征可以穿过导管主体的侧壁（30）存在。导体（16）安装在邻近出口部件的内腔（18）内并且适于经由导电流体（34）向组织输送治疗能量。至少一个表面电极（20）安装在导管主体的与出口特征相邻的外表面上。

38. 发明申请

WO2007002004A3 ABLATION CATHETER WITH FLUID DISTRIBUTION STRUCTURES 审中-公开
公开(公告)号：WO2007002004A3
公开(公告)日：2007-01-04
申请号：PCT/US2006/023854
申请日：2006-06-19
申请人： ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. , CAO, Hong , THAO, Chou , BELHE, Kedar, Ravindra , PAUL, Saurav , STANGENES, Todd
发明人： CAO, Hong , THAO, Chou , BELHE, Kedar, Ravindra , PAUL, Saurav , STANGENES, Todd
IPC分类号： A61B18/04 , A61F7/00
摘要： An ablation catheter (22) has improved fluid distribution structures. An ablation section at a distal end (12) of the catheter (22) is designed to provide a more uniform fluid flow emanating from the catheter (22). By creating a uniform fluid flow, a more uniform tissue lesion results and the possibility of charring the tissue is reduced. A combination of mesh material (142) layers, porous materials (354), and dispersion channels or openings (346) are used to achieve the uniform flow. The amount of fluid used as a virtual electrode to ablate the tissue is greatly reduced with the present invention. Further, the catheter (22) may be used to create a single, uniform linear lesion by successive application of energy to adjacent portions of the ablation section, thus reducing the power required to create the desired lesion.

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