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21 条记录 (耗时 0.038 秒)

    MULTI-ARRAY MONOPHASIC ACTION POTENTIAL MEDICAL DEVICE
    1.
    发明申请
    MULTI-ARRAY MONOPHASIC ACTION POTENTIAL MEDICAL DEVICE 有权
    多阵列单因素行动潜能医疗器械

    公开(公告)号：US20120232374A1

    公开(公告)日：2012-09-13

    申请号：US13044698

    申请日：2011-03-10

    申请人： Randell L. WERNETH ,  Meleze HOCINI ,  Mark T. STEWART ,  Dan WITTENBERGER ,  Timothy J. CORVI ,  Michael LAU ,  Vinod SHARMA

    发明人： Randell L. WERNETH ,  Meleze HOCINI ,  Mark T. STEWART ,  Dan WITTENBERGER ,  Timothy J. CORVI ,  Michael LAU ,  Vinod SHARMA

    IPC分类号： A61B5/04 ,  A61N1/05

    CPC分类号： A61B5/0422 ,  A61B18/1492 ,  A61B2018/1467 ,  A61B2018/1472 ,  A61B2218/002

    摘要： A medical device including a catheter having a shaft with a distal portion; a first plurality of substantially hemispherical electrodes coupled to the distal portion; a second plurality of substantially hemispherical electrodes coupled to the shaft proximal of the first plurality, where the second plurality of electrodes are oriented substantially orthogonal to the first plurality of electrodes; and an additional electrode coupled to the shaft. A console may have a processor in electrical communication with the first and second plurality of electrodes and the reference electrode, the processor programmed to obtaining a monophasic action potential recording from at least one of the first and second plurality of electrodes.

    摘要翻译： 一种医疗装置，包括具有远端部的轴的导管; 耦合到所述远端部分的第一多个基本上半球形的电极; 耦合到所述第一多个的所述轴近端的第二多个基本上半球形的电极，其中所述第二多个电极定向成基本上垂直于所述第一多个电极; 以及连接到所述轴的附加电极。 控制台可以具有与第一和第二多个电极和参考电极电连通的处理器，该处理器被编程为从第一和第二多个电极中的至少一个获得单相动作电位记录。

    DUAL INJECTION TUBE CRYOCATHETER AND METHOD FOR USING SAME
    5.
    发明申请
    DUAL INJECTION TUBE CRYOCATHETER AND METHOD FOR USING SAME 有权
    双注射管结晶器及其使用方法

    公开(公告)号：US20120029493A1

    公开(公告)日：2012-02-02

    申请号：US12844388

    申请日：2010-07-27

    申请人： Dan WITTENBERGER ,  Claudia LUECKGE ,  Miriam LANE

    发明人： Dan WITTENBERGER ,  Claudia LUECKGE ,  Miriam LANE

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B2018/00166 ,  A61B2018/0022 ,  A61B2018/00642 ,  A61B2018/0212 ,  A61B2090/064

    摘要： A medical device includes a catheter body having a first injection lumen, a second injection lumen, and an exhaust lumen, where the first injection lumen provides a fluid flow rate greater than a fluid flow rate provided by the second injection lumen; an expandable element coupled to the catheter body in fluid communication with the first and second injection lumens; a cryogenic fluid source in fluid communication with the first and second injection lumens; a valve in fluid communication with the first and second injection lumens to selectively allow fluid flow to at least one of the first and second injection lumens; a pressure sensor in fluid communication with an interior defined by the expandable element; and a controller in communication with the pressure sensor programmed to regulate fluid flow through the first injection lumen based at least in part on a signal from the pressure sensor.

    摘要翻译： 医疗装置包括具有第一注射腔，第二注射内腔和排气腔的导管主体，其中第一注射腔提供大于由第二注射腔提供的流体流速的流体流速; 耦合到所述导管主体的可扩张元件，其与所述第一和第二注射腔流体连通; 与所述第一和第二注射腔流体连通的低温流体源; 与所述第一和第二注射腔流体连通的阀，以选择性地允许流体流向所述第一和第二注射腔中的至少一个; 与由可膨胀元件限定的内部流体连通的压力传感器; 以及与所述压力传感器通信的控制器，其被编程为至少部分地基于来自所述压力传感器的信号来调节通过所述第一喷射腔的流体流动。

    BALLOON CATHETER
    7.
    发明申请
    BALLOON CATHETER 有权
    气球导管

    公开(公告)号：US20130197497A1

    公开(公告)日：2013-08-01

    申请号：US13360092

    申请日：2012-01-27

    申请人： Dan WITTENBERGER ,  Claudia LUECKGE ,  Réal STE-MARIE

    发明人： Dan WITTENBERGER ,  Claudia LUECKGE ,  Réal STE-MARIE

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B18/1492 ,  A61B2018/0016 ,  A61B2018/0022 ,  A61B2018/0212 ,  A61B2018/0262

    摘要： A medical device including a catheter body defining a proximal portion and a distal portion. An expandable element is included defining a proximal end and a distal end, the proximal end being coupled to the distal portion of the catheter body. A tip element coupled to the distal end of the expandable element is included, the tip element including a shaft slideably receivable within a portion of the catheter body. A tensioning element coupled to the shaft and disposed within the expandable element is included, the tensioning element being engageable with the distal end of the catheter body and biasing the expandable element toward a pre-determined longitudinal position. An electrode array defining a substantially closed loop affixed to and extending from the tip element is also included.

    摘要翻译： 一种医疗装置，包括限定近端部分和远端部分的导管主体。 包括可扩张元件，其限定近端和远端，近端联接到导管主体的远端部分。 包括联接到可扩张元件的远端的尖端元件，末端元件包括可滑动地容纳在导管主体的一部分内的轴。 包括联接到轴并且设置在可扩张元件内的张紧元件，张紧元件可与导管主体的远端接合并且朝向预定的纵向位置偏压可扩张元件。 还包括限定固定到尖端元件并从尖端元件延伸的基本上闭合回路的电极阵列。

    CRYOGENIC MEDICAL MAPPING AND TREATMENT DEVICE
    8.
    发明申请
    CRYOGENIC MEDICAL MAPPING AND TREATMENT DEVICE 有权
    低温医学绘图和治疗装置

    公开(公告)号：US20120035601A1

    公开(公告)日：2012-02-09

    申请号：US12849468

    申请日：2010-08-03

    申请人： Dan WITTENBERGER

    发明人： Dan WITTENBERGER

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B18/1492 ,  A61B2018/0022 ,  A61B2018/00375 ,  A61B2018/00839 ,  A61B2018/0212 ,  A61B2018/1497

    摘要： A medical device and method are provided for mapping and therapeutic treatment, which may include a source of cryogenic fluid, a balloon or other expandable member in fluid communication with the source of cryogenic fluid, and a plurality of electrodes on the expandable member. The medical device may include a catheter or elongate body, and the electrodes may take the form of longitudinal strips. The expandable member may take the form of an inner and outer balloon, and the electrodes may be on the outer balloon. The electrodes may be on a proximal or distal conical portion of the expandable member, or both. An electrical insulator may be provided covering a portion of the electrodes.

    摘要翻译： 提供了用于映射和治疗治疗的医疗装置和方法，其可以包括与低温流体源流体连通的低温流体，球囊或其它可膨胀构件的源，以及可扩张构件上的多个电极。 医疗装置可以包括导管或细长体，并且电极可以采取纵向条的形式。 可膨胀构件可以采取内部和外部气球的形式，并且电极可以在外部气球上。 电极可以在可扩张构件的近端或远端圆锥形部分上，或两者。 可以提供覆盖一部分电极的电绝缘体。

    MESH LEAK DETECTION SYSTEM FOR A MEDICAL DEVICE
    10.
    发明申请
    MESH LEAK DETECTION SYSTEM FOR A MEDICAL DEVICE 有权
    用于医疗设备的MESH泄漏检测系统

    公开(公告)号：US20100204687A1

    公开(公告)日：2010-08-12

    申请号：US12767012

    申请日：2010-04-26

    申请人： Marwan ABBOUD ,  Dan WITTENBERGER

    发明人： Marwan ABBOUD ,  Dan WITTENBERGER

    IPC分类号： A61B18/02 ,  A61M25/10

    CPC分类号： G01M3/02 ,  A61B18/02 ,  A61B2017/00119 ,  A61B2017/22051 ,  A61B2018/0022 ,  A61B2018/0212 ,  A61B2018/0262 ,  A61M25/0147 ,  A61M25/10 ,  A61M2205/15

    摘要： The present invention provides a surgical device including an elongate body defining a fluid flow path therethrough. An expandable element may be coupled to the elongate body and placed in fluid communication with the fluid flow path. Moreover, the surgical device may include a first leak detection element at least partially surrounding a portion of the expandable element, and a second leak detection element may be provided in fluid communication with the fluid flow path. In addition, a console may be provided, where the console may be in communication with the first and second leak detection elements. Further, a supply of cryogenic fluid as well as a vacuum source may be provided in fluid communication with the fluid flow path.

    摘要翻译： 本发明提供一种手术装置，其包括限定通过其中的流体流动通道的细长主体。 可膨胀元件可以联接到细长主体并且被放置成与流体流动路径流体连通。 此外，手术装置可以包括至少部分地围绕可膨胀元件的一部分的第一泄漏检测元件，并且第二泄漏检测元件可以设置成与流体流动路径流体连通。 此外，可以提供控制台，其中控制台可以与第一和第二泄漏检测元件通信。 此外，可以提供与流体流动路径流体连通的低温流体以及真空源的供应。