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    ANATOMICAL THERMAL SENSING DEVICE AND METHOD
    3.
    发明申请
    ANATOMICAL THERMAL SENSING DEVICE AND METHOD 有权
    解剖学感测装置及方法

    公开(公告)号：US20100191142A1

    公开(公告)日：2010-07-29

    申请号：US12751946

    申请日：2010-03-31

    申请人： Saurav Paul ,  Todd Stangenes ,  Riki Thao

    发明人： Saurav Paul ,  Todd Stangenes ,  Riki Thao

    IPC分类号： A61B5/01

    CPC分类号： A61B18/1402 ,  A61B5/01 ,  A61B5/015 ,  A61B5/053 ,  A61B5/6852 ,  A61B5/6885 ,  A61B2562/0271

    摘要： A medical device utilizing temperature sensing to identify or assess anatomical bodies or structures includes an elongate tubular member, at least one electrode, a thermal sensor, and a temperature response assessment system or component. The at least one electrode may be connected to the distal portion of the elongate tubular member, and the one or more electrode can be configured to provide energy or heat to a portion of an anatomical body or structure. The thermal sensor may be configured to measure the thermal response of the portion of an anatomical body or structure, e.g., tissue or blood pools. The temperature response assessment system or component can be coupled to the thermal sensor. In embodiments, the device may include a lumen and port opening, which may accommodate a tool, such as a needle. Methods for using temperature sensing to identify an anatomical body or structure are also disclosed.

    摘要翻译： 使用温度感测来识别或评估解剖体或结构的医疗装置包括细长的管状构件，至少一个电极，热传感器和温度响应评估系统或部件。 至少一个电极可以连接到细长管状构件的远端部分，并且一个或多个电极可以被配置成向解剖体或结构的一部分提供能量或热量。 热传感器可以被配置为测量解剖体或结构部分（例如组织或血液池）的热响应。 温度响应评估系统或组件可以耦合到热传感器。 在实施例中，该装置可以包括可容纳诸如针的工具的内腔和端口开口。 还公开了使用温度感测来识别解剖体或结构的方法。

    Position independent catheter
    4.
    发明申请
    Position independent catheter 审中-公开
    无位置导管

    公开(公告)号：US20080161799A1

    公开(公告)日：2008-07-03

    申请号：US11647317

    申请日：2006-12-29

    申请人： Todd Stangenes ,  Dale Just

    发明人： Todd Stangenes ,  Dale Just

    IPC分类号： A61B18/18

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

    摘要： A catheter for treating tissue is disclosed, the catheter having slotted openings on a circumference of its distal portion, wherein each slotted opening spans at least about 25% of the circumference of the catheter. The disclosed catheter is capable of treating a variety of tissue in a variety of configurations. For example, in an ablation catheter of the disclosed invention, the slotted openings on the distal portion allow the ablation catheter to create effective lesions in both the pulmonary veins and the posterior wall of the left atrium. The ablation catheter preferably carries a conductive medium to help deliver ablation energy (e.g., RF) to the tissue being ablated. The configuration of the catheter permits ablation to be conducted in many varieties and geometric orientations independently of the tissue orientation. Also disclosed is a method of ablating tissue using catheter with slotted openings.

    摘要翻译： 公开了一种用于治疗组织的导管，该导管在其远端部分的圆周上具有开槽开口，其中每个开槽开口跨过导管周边的至少约25％。 所公开的导管能够以各种构型处理各种组织。 例如，在所公开的发明的消融导管中，远侧部分上的开槽开口允许消融导管在左心房的肺静脉和后壁中产生有效的损伤。 消融导管优选地携带导电介质以帮助将消融能量（例如RF）递送到被消融的组织。 导管的配置允许消融在许多种类和几何取向上独立于组织取向进行。 还公开了使用具有开槽开口的导管消融组织的方法。

    Ablation catheter with fluid distribution structures
    5.
    发明申请
    Ablation catheter with fluid distribution structures 有权
    消融导管与流体分布结构

    公开(公告)号：US20060287650A1

    公开(公告)日：2006-12-21

    申请号：US11158944

    申请日：2005-06-21

    申请人： Hong Cao ,  Chou Thao ,  Kedar Belhe ,  Saurav Paul ,  Todd Stangenes

    发明人： Hong Cao ,  Chou Thao ,  Kedar Belhe ,  Saurav Paul ,  Todd Stangenes

    IPC分类号： A61B18/14

    CPC分类号： A61B18/1492 ,  A61B2018/00375 ,  A61B2018/1472

    摘要： An ablation catheter has improved fluid distribution structures. An ablation section at a distal end of the catheter is designed to provide a more uniform fluid flow emanating from the catheter. 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 layers, porous materials, and dispersion channels or openings 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 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.

    摘要翻译： 消融导管具有改善的流体分布结构。 在导管的远端处的消融部分被设计成提供从导管发出的更均匀的流体流动。 通过产生均匀的流体流动，会产生更均匀的组织损伤，并且减少了烧结组织的可能性。 使用网状材料层，多孔材料和分散通道或开口的组合来实现均匀的流动。 用于消除组织的虚拟电极的流体的量通过本发明大大减少。 此外，导管可用于通过将能量连续施加到消融部分的相邻部分来产生单一的均匀的线性损伤，从而减少产生所需损伤所需的功率。

    Conforming electrode
    6.
    发明授权
    Conforming electrode 有权
    符合电极

    公开(公告)号：US08460286B2

    公开(公告)日：2013-06-11

    申请号：US11967457

    申请日：2007-12-31

    申请人： Todd Stangenes ,  Saurav Paul

    发明人： Todd Stangenes ,  Saurav Paul

    IPC分类号： A61B18/14

    CPC分类号： A61B18/14 ,  A61B2017/00867 ,  A61B2018/143 ,  A61B2090/065 ,  C08L2201/12

    摘要： A conforming electrode for delivering ablative energy to tissue generally includes a plurality of flexible metal tubes, each having a longitudinal axis, a proximal end, and a distal end. The flexible metal tubes are arranged in a bundle with their longitudinal axes aligned parallel to each other. In addition, the flexible metal tubes are electrically coupled to a conductor for transferring ablative energy to the flexible metal tubes. The conductor may be a loop around the flexible metal tubes and to which the flexible metal tubes may be secured. The proximal ends of the flexible metal tubes may be secured to the distal end of a catheter shaft.

    摘要翻译： 用于向组织递送烧蚀能量的适形电极通常包括多个柔性金属管，每个具有纵向轴线，近端和远端。 柔性金属管布置成一束，其纵向轴线彼此平行排列。 此外，柔性金属管电耦合到用于将烧蚀能量传递到柔性金属管的导体。 导体可以是围绕柔性金属管的环，柔性金属管可以固定到该环上。 柔性金属管的近端可固定到导管轴的远端。

    Transseptal Puncture Needle and Needle Assemblies
    7.
    发明申请
    Transseptal Puncture Needle and Needle Assemblies 有权
    经皮穿刺针和针组件

    公开(公告)号：US20090171276A1

    公开(公告)日：2009-07-02

    申请号：US12117675

    申请日：2008-05-08

    申请人： Michael C. Bednarek ,  Ravisankar Gurusamy ,  Hans Schnellmann ,  Todd Stangenes

    发明人： Michael C. Bednarek ,  Ravisankar Gurusamy ,  Hans Schnellmann ,  Todd Stangenes

    IPC分类号： A61B17/34 ,  A61M5/00 ,  A61M29/00 ,  B23P11/00

    CPC分类号： A61B17/00234 ,  A61B17/3478 ,  A61B2017/00247 ,  A61B2017/0046 ,  A61B2018/00392 ,  A61B2090/034 ,  A61M2025/0089 ,  A61M2025/0681 ,  Y10T29/49826

    摘要： A transseptal needle includes an elongate needle body having a distal end and a proximal end and a cannular needle tip located proximate the distal end of the needle body. The needle tip has a distal segment, a proximal segment, and a longitudinal axis. An inner surface of the needle tip defines a passageway spanning at least a portion of the needle tip, and an outer surface of the needle tip defines a wall with the inner surface. The distal segment of the needle tip also includes a wedge surface and a dome-shaped region. The wedge surface forms a wedge angle of other than 90 degrees relative to the longitudinal axis. The dome-shaped region, which intersects the wedge surface, includes at least two bevels that intersect the wedge surface and that intersect each other at one or more points on the needle tip.

    摘要翻译： 经导管针包括具有远端和近端的细长针体和位于针体远端附近的管状针尖。 针尖具有远侧段，近端段和纵向轴线。 针尖的内表面限定跨过针尖的至少一部分的通道，并且针尖的外表面限定具有内表面的壁。 针尖的远端部分还包括楔形表面和圆顶形区域。 楔形表面相对于纵向轴线形成不同于90度的楔角。 与楔形表面相交的圆顶形区域包括与楔形表面相交并且在针尖上的一个或多个点处彼此相交的至少两个斜面。

    Ablation catheter with sensor array and discrimination circuit to maximize variation in power density
    8.
    发明申请
    Ablation catheter with sensor array and discrimination circuit to maximize variation in power density 有权
    消融导管与传感器阵列和鉴别电路，以最大化功率密度变化

    公开(公告)号：US20090076495A2

    公开(公告)日：2009-03-19

    申请号：US11617656

    申请日：2006-12-28

    申请人： Jeremy Dando ,  Timothy Curran ,  Todd Stangenes

    发明人： Jeremy Dando ,  Timothy Curran ,  Todd Stangenes

    IPC分类号： A61B18/14

    CPC分类号： A61B18/1492 ,  A61B2018/00642 ,  A61B2018/00797 ,  A61B2018/00839 ,  A61B2018/1472

    摘要： A catheter is designed with a virtual electrode structure for creating a linear lesion. The catheter includes a sensor array that measures temperatures of adjacent tissue along the length of the virtual electrode section. The sensors in the sensor array include a conductive material that is substantially coated with an electrically and thermally insulating material. An aperture is formed in the insulating coating to expose an area of the conductive material. Leads are coupled with each sensor and are connected at their opposite, proximal ends with a discrimination circuit. The circuit processes the signals induced in the sensors to output a single temperature measurement, for example, the highest temperature, the lowest temperature, or the average temperature. The sensors also measure cardiac electrical activity and the leads are further connected to an electrocardiograph monitor to determine the efficacy of treatment.

    摘要翻译： 导管设计有用于产生线性损伤的虚拟电极结构。 导管包括传感器阵列，其测量沿着虚拟电极部分的长度的相邻组织的温度。 传感器阵列中的传感器包括基本上涂覆有电绝热材料的导电材料。 在绝缘涂层中形成孔以暴露导电材料的区域。 引线与每个传感器耦合，并且在其相对的近端处与鉴别电路连接。 电路处理在传感器中感应的信号，以输出单个温度测量，例如最高温度，最低温度或平均温度。 传感器还测量心脏电活动，并且引线进一步连接到心电图仪监测器以确定治疗的功效。

    Conforming Electrode
    9.
    发明申请
    Conforming Electrode 有权
    符合电极

    公开(公告)号：US20080140072A1

    公开(公告)日：2008-06-12

    申请号：US11967457

    申请日：2007-12-31

    申请人： Todd Stangenes ,  Saurav Paul

    发明人： Todd Stangenes ,  Saurav Paul

    IPC分类号： A61B18/14

    CPC分类号： A61B18/14 ,  A61B2017/00867 ,  A61B2018/143 ,  A61B2090/065 ,  C08L2201/12

    摘要： A conforming electrode for delivering ablative energy to tissue generally includes a plurality of flexible metal tubes, each having a longitudinal axis, a proximal end, and a distal end. The flexible metal tubes are arranged in a bundle with their longitudinal axes aligned parallel to each other. In addition, the flexible metal tubes are electrically coupled to a conductor for transferring ablative energy to the flexible metal tubes. The conductor may be a loop around the flexible metal tubes and to which the flexible metal tubes may be secured. The proximal ends of the flexible metal tubes may be secured to the distal end of a catheter shaft.

    摘要翻译： 用于向组织递送烧蚀能量的适形电极通常包括多个柔性金属管，每个具有纵向轴线，近端和远端。 柔性金属管布置成一束，其纵向轴线彼此平行排列。 此外，柔性金属管电耦合到用于将烧蚀能量传递到柔性金属管的导体。 导体可以是围绕柔性金属管的环，柔性金属管可以固定到该环上。 柔性金属管的近端可固定到导管轴的远端。

    Anatomical thermal sensing device and method
    10.
    发明授权
    Anatomical thermal sensing device and method 有权

    公开(公告)号：US08388549B2

    公开(公告)日：2013-03-05

    申请号：US12751946

    申请日：2010-03-31

    申请人： Saurav Paul ,  Todd Stangenes ,  Riki Thao

    发明人： Saurav Paul ,  Todd Stangenes ,  Riki Thao

    IPC分类号： A61B5/00

    CPC分类号： A61B18/1402 ,  A61B5/01 ,  A61B5/015 ,  A61B5/053 ,  A61B5/6852 ,  A61B5/6885 ,  A61B2562/0271

    摘要： A medical device utilizing temperature sensing to identify or assess anatomical bodies or structures includes an elongate tubular member, at least one electrode, a thermal sensor, and a temperature response assessment system or component. The at least one electrode may be connected to the distal portion of the elongate tubular member, and the one or more electrode can be configured to provide energy or heat to a portion of an anatomical body or structure. The thermal sensor may be configured to measure the thermal response of the portion of an anatomical body or structure, e.g., tissue or blood pools. The temperature response assessment system or component can be coupled to the thermal sensor. In embodiments, the device may include a lumen and port opening, which may accommodate a tool, such as a needle. Methods for using temperature sensing to identify an anatomical body or structure are also disclosed.