Low power tissue ablation system
    5.
    发明申请
    Low power tissue ablation system 有权
    低功率组织消融系统

    公开(公告)号:US20070083195A1

    公开(公告)日:2007-04-12

    申请号:US11484878

    申请日:2006-07-11

    IPC分类号: A61B18/14

    摘要: Devices, systems and methods are disclosed for the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. The carrier assembly can be constrained within the lumen of a catheter, and deployed to take on an expanded condition. The carrier assembly includes multiple electrodes that are configured to ablate tissue at low power. Additional embodiments include a system that includes an interface unit for delivering one or more forms of energy to the ablation catheter.

    摘要翻译: 公开了用于组织消融的装置,系统和方法。 实施例包括消融导管,其具有附接到可展开的载体组件的消融元件阵列。 载体组件可以被限制在导管的内腔中,并且被部署以展开扩张状态。 载体组件包括被配置成以低功率消融组织的多个电极。 另外的实施例包括包括用于将一种或多种形式的能量递送到消融导管的接口单元的系统。

    Selective organ cooling apparatus and method
    9.
    发明申请
    Selective organ cooling apparatus and method 有权
    选择性器官冷却装置及方法

    公开(公告)号:US20070208401A1

    公开(公告)日:2007-09-06

    申请号:US11799191

    申请日:2007-05-01

    IPC分类号: A61F7/00

    摘要: An endovascular heat transfer device which can have a smooth exterior surface, or a surface with ridges and grooves. The device can have a plurality of elongated, articulated segments, with each having such a surface. A flexible joint connects adjacent elongated, articulated segments. The flexible joints can be bellows or flexible tubes. An inner lumen is disposed within the heat transfer segments. The inner lumen is capable of transporting a pressurized working fluid to a distal end of the heat transfer element.

    摘要翻译: 可以具有光滑的外表面或具有脊和凹槽的表面的血管内传热装置。 该装置可以具有多个细长的关节部分,每个部分具有这样的表面。 柔性接头连接相邻的细长铰接段。 柔性接头可以是波纹管或柔性管。 内腔设置在传热段内。 内腔能够将加压工作流体输送到传热元件的远端。

    Multipurpose catheter assembly
    10.
    发明授权
    Multipurpose catheter assembly 有权
    多功能导管组件

    公开(公告)号:US06719723B2

    公开(公告)日:2004-04-13

    申请号:US09731176

    申请日:2000-12-06

    申请人: Randell Werneth

    发明人: Randell Werneth

    IPC分类号: A61F712

    CPC分类号: A61F7/12 A61F2007/126

    摘要: An apparatus for performing hypothermia of the body of a patient, or of a selected organ, while delivering a medicament to a selected blood vessel. A flexible coaxial catheter is inserted through the vascular system of a patient to place the distal tip of the catheter in a selected artery. A chilled fluid is pumped through an inner supply conduit of the catheter to cool a flexible heat transfer element in the distal tip of the catheter. The heat transfer element cools the blood flowing through the artery distal to the tip of the catheter. The medicament, such as a vaso-dilator, is delivered either separately or mixed with the chilled fluid, through a very small exit port in or near the heat transfer element.

    摘要翻译: 一种用于在将药物递送至所选择的血管的同时,对患者或选定器官的身体进行体温过低的装置。 将柔性同轴导管穿过患者的血管系统插入导管的远端以选择动脉。 冷冻流体被泵送通过导管的内部供应管道以冷却导管的远侧末端中的柔性传热元件。 传热元件冷却流过导管末端的动脉的血液。 药物,例如血管扩张器,分开地或与冷冻液体混合,通过传热元件内或附近的非常小的出口。