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    Valve mapping catheter
    1.
    发明授权
    Valve mapping catheter 失效
    阀门定位导管

    公开(公告)号：US5275162A

    公开(公告)日：1994-01-04

    申请号：US982233

    申请日：1992-11-25

    Applicant: Stuart D. Edwards ,  Russell B. Thompson ,  Rand T. Pugmire

    Inventor： Stuart D. Edwards ,  Russell B. Thompson ,  Rand T. Pugmire

    IPC: A61B5/042

    CPC classification number: A61B5/042 ,  A61B5/0422 ,  A61B2562/0209 ,  A61B2562/043

    Abstract: A method and apparatus for contacting heart valve tissue with a catheter tip electrode adapted for atrioventricular (AV) node mapping and modification is provided. The tip is conformed to rest stably and comfortably on a cardiac valve such as the mitral or tricuspid valve. The tip has a peanut shape consisting of two electrode lobes joined by a narrower connecting piece. The tip rests on the valve at the connecting piece and is secured by the adjoining lobes. The connecting piece itself may either be insulating or electrically conductive. The catheter may also include standard mapping and/or pacing electrodes. The catheter may further include a steering mechanism for positioning the catheter at various treatment sites in the heart.

    Abstract translation: 提供一种用于使心脏瓣膜组织与适用于房室（AV）节点映射和修改的导管尖端电极接触的方法和装置。 尖端符合在诸如二尖瓣或三尖瓣的心脏瓣膜上稳定和舒适地平稳。 尖端具有由两个由较窄连接件连接的电极凸片组成的花生形状。 尖端位于连接件上的阀上，并由相邻的凸角固定。 连接件本身可以是绝缘的或导电的。 导管还可以包括标准贴图和/或起搏电极。 导管还可以包括用于将导管定位在心脏中的各种治疗部位的转向机构。

    Catheter having a torque transmitting sleeve
    4.
    发明授权
    Catheter having a torque transmitting sleeve 失效
    导管具有扭矩传递套筒

    公开(公告)号：US5328467A

    公开(公告)日：1994-07-12

    申请号：US790205

    申请日：1991-11-08

    Applicant: Stuart D. Edwards ,  Russell B. Thompson

    Inventor： Stuart D. Edwards ,  Russell B. Thompson

    IPC: A61B18/14 ,  A61M25/01 ,  A61B5/04

    CPC classification number: A61M25/0138 ,  A61M25/0144 ,  A61M25/0147 ,  A61B18/14 ,  A61M2025/0161

    Abstract: A catheter has a handle and a guide tube enclosing an interior bore. The guide tube has a proximal end and a distal end. A friction sleeve joins the proximal end of the guide tube to the handle. The friction sleeve extends from the handle and grips a portion of the guide tube beyond the handle. The friction sleeve forms a hand grip for the user beyond the confines of the handle. It also serves to effectively transmit torque applied at the handle to the distal end of the guide tube.

    Abstract translation: 导管具有手柄和封闭内孔的导管。 导管具有近端和远端。 摩擦套筒将引导管的近端连接到手柄。 摩擦套筒从手柄延伸并夹住导管的一部分超过手柄。 摩擦套筒为使用者形成超出手柄范围的手柄。 它还用于将施加在手柄处的扭矩有效地传递到导管的远端。

    Method of making durable sleeve for enclosing a bendable electrode tip assembly
    5.
    发明授权
    Method of making durable sleeve for enclosing a bendable electrode tip assembly 失效
    制造用于封闭可弯曲电极末端组件的耐用套筒的方法

    公开(公告)号：US5257451A

    公开(公告)日：1993-11-02

    申请号：US790206

    申请日：1991-11-08

    Applicant: Stuart D. Edwards ,  Russell B. Thompson

    Inventor： Stuart D. Edwards ,  Russell B. Thompson

    IPC: A61M25/01 ,  A61N1/05 ,  B29C61/02 ,  H01R13/56 ,  H01R43/00

    CPC classification number: A61M25/0138 ,  A61M25/0144 ,  A61M25/0147 ,  A61N1/0565 ,  B29C61/025 ,  H01R13/56 ,  A61M2025/0161 ,  Y10S174/08 ,  Y10T29/49117 ,  Y10T29/49194

    Abstract: A reinforcing sleeve encloses a bendable electrode tip assembly for a catheter. The reinforcing sleeve is flexible enough to accommodate the bending movement desired for the electrode tip assembly. Still, the reinforcing sleeve provides added strength and resistance against wear and tear during repeated bending operations. The reinforcing sleeve also holds associated steering wires and electrical conducting wires in close intimate contact against the interior support wire of the electrode tip assembly. The intimate contact prevents kinking and chafing of the steering wires and electrical conducting wires during bending operations.

    Abstract translation: 加强套管包围用于导管的可弯曲电极末端组件。 加强套筒足够柔韧以适应电极头组件所需的弯曲运动。 仍然，加强套筒在反复弯曲操作期间提供附加的强度和抵抗磨损和抗撕裂的能力。 加强套筒还保持相关联的操纵线和电导线与电极头组件的内部支撑线紧密接触。 紧密接触可防止弯曲操作期间转向导线和导电线的扭结和擦伤。

    Treatment of tissue in sphincters, sinuses and orifices
    10.
    发明授权
    Treatment of tissue in sphincters, sinuses and orifices 失效
    治疗括约肌，鼻窦和孔的组织

    公开(公告)号：US07022105B1

    公开(公告)日：2006-04-04

    申请号：US09356110

    申请日：1999-07-16

    Applicant: Stuart D. Edwards

    Inventor： Stuart D. Edwards

    IPC: A61M31/00

    CPC classification number: A61N1/06 ,  A61N1/403

    Abstract: The invention provides a method and system for ablation of body structures or tissue in a sphincter, sinus or orifice such as the rectum, colon, esophagus, vagina, penis, larynx or pharynx. In one aspect of the invention, the environment surrounding the targeted ablation region can be isolated or controlled by blocking the flow of gases or liquids using an inflatable balloon positioned immediately adjacent to the tissue that is to be ablated. In a preferred embodiment, the inflatable balloon also serves to anchor the catheter in place and prevent the catheter from being expelled from the body. The inflatable balloon also insures that locally administered drug remain in the area where most needed. In a second aspect of the invention, positive pressure is used to inflate the balloon. Inflation of balloon triggers the extension of at least one curvilinear electrode into the targeted tissue. Negative pressure deflates the air sac and helps retract the curvilinear electrodes so as to allow the catheter to be removed from the body without damaging adjacent body structures. In a third aspect of the invention, the electrodes are coupled to sensors that measure properties of the target region such as temperature and impedance. Measurement of these properties permits the use of feedback technique to control delivery of the RF energy and administration of fluids for cooling and hydrating the affected tissues. In a fourth aspect of the invention, the catheter includes an optical path that can be coupled to external viewing apparatus. In this way, the position of the electrodes in the body can be determined by fluoroscopic or fiber optic techniques.

    Abstract translation: 本发明提供了一种用于消融括约肌，窦或孔如直肠，结肠，食管，阴道，阴茎，喉或咽部中的身体结构或组织的方法和系统。 在本发明的一个方面，围绕目标消融区域的环境可以通过使用紧邻待烧伤组织定位的可充气气囊来阻止气体或液体的流动而被隔离或控制。 在优选实施例中，可膨胀气囊还用于将导管锚定在适当位置并防止导管从身体排出。 充气气囊还确保局部给药的药物保留在最需要的区域。 在本发明的第二方面中，使用正压使气囊膨胀。 球囊的充气触发了至少一个曲线电极延伸到目标组织中。 负压使气囊缩小并帮助缩回曲线电极，以便允许导管从身体移除而不损坏邻近的身体结构。 在本发明的第三方面中，电极耦合到测量目标区域的性质（诸如温度和阻抗）的传感器。 这些性质的测量允许使用反馈技术来控制RF能量的传递和给予流体以冷却和保湿受影响的组织。 在本发明的第四方面中，导管包括可以连接到外部观察装置的光路。 以这种方式，电极在体内的位置可以通过荧光镜或光纤技术来确定。

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