Flow reduction hood systems
    12.
    发明授权
    Flow reduction hood systems 有权
    减流罩系统

    公开(公告)号:US08417321B2

    公开(公告)日:2013-04-09

    申请号:US13216683

    申请日:2011-08-24

    IPC分类号: A61B6/00

    摘要: Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.

    摘要翻译: 描述了减少排气罩系统,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。

    Flow reduction hood systems
    13.
    发明授权
    Flow reduction hood systems 有权
    减流罩系统

    公开(公告)号:US08078266B2

    公开(公告)日:2011-12-13

    申请号:US12026455

    申请日:2008-02-05

    IPC分类号: A61B6/00

    摘要: Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.

    摘要翻译: 描述了减少排气罩系统,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。

    AXIAL VISUALIZATION SYSTEMS
    14.
    发明申请
    AXIAL VISUALIZATION SYSTEMS 有权
    轴向可视化系统

    公开(公告)号:US20090275799A1

    公开(公告)日:2009-11-05

    申请号:US11962029

    申请日:2007-12-20

    IPC分类号: A61B1/04

    摘要: Axial visualization systems which utilize axially aligned imaging instruments for visualizing through an imaging hood purged of blood via a transparent fluid are described where an imaging element extending from a support shaft may be aligned within a working lumen defined through a deployment catheter. The imaging element may be positioned distal to the hood in its collapsed state and within the hood in its expanded state. The imaging element may be configured to seat itself securely within the catheter or to angle itself to adjust the viewing angle. Additionally, a disposable visualization sheath having a transparent lens may also be utilized to house an imaging instrument therein.

    摘要翻译: 描述了轴向可视化系统,其利用轴向对齐的成像仪器通过透明流体清除血液的成像罩进行可视化,其中从支撑轴延伸的成像元件可以在通过展开导管限定的工作腔内对准。 成像元件可以位于处于其收缩状态的罩的远侧并且处于其展开状态的罩内。 成像元件可以被配置为将其自身安全地固定在导管内或者使其自身倾斜以调节视角。 此外,也可以使用具有透明透镜的一次性可视护套来容纳其中的成像仪器。

    TRANSMURAL SUBSURFACE INTERROGATION AND ABLATION
    16.
    发明申请
    TRANSMURAL SUBSURFACE INTERROGATION AND ABLATION 审中-公开
    传递式的表面介入和排除

    公开(公告)号:US20080009747A1

    公开(公告)日:2008-01-10

    申请号:US11775837

    申请日:2007-07-10

    摘要: Transmural subsurface interrogation and ablation apparatus and methods are described where tissue to be ablated is monitored while under direct visualization for tissue parameters (e.g., temperature and impedance) prior to, during, or after ablation. Such a system may include a deployment catheter and an attached imaging hood deployable into an expanded configuration. In use, the imaging hood is placed against or adjacent to the tissue to be imaged in a body lumen that is normally filled with an opaque bodily fluid such as blood. A translucent or transparent fluid can be pumped into the imaging hood until the fluid displaces any blood leaving a clear region of tissue to be imaged via an imaging element in the deployment catheter. An ablation probe and one or more interrogation needles having sensors are advanced into the tissue to be ablated and monitored. Alternatively, a combined ablation and interrogation probe may be used.

    摘要翻译: 描述了跨壁地下询问和消融设备和方法,其中在消融之前,期间或之后的组织参数(例如,温度和阻抗)直接可视化的同时监测要消融的组织。 这样的系统可以包括部署导管和可展开成扩展配置的附接成像罩。 在使用中,将成像罩放置在通常填充有不透明体液(例如血液)的体腔中的待成像组织上或邻近待成像的组织。 半透明或透明流体可被泵送到成像罩中,直到流体移动通过部署导管中的成像元件离开要成像的组织的清晰区域的任何血液。 消融探针和具有传感器的一个或多个询问针被推进到待烧蚀和监测的组织中。 或者,可以使用组合消融和询问探针。

    Stabilization of visualization catheters
    17.
    发明授权
    Stabilization of visualization catheters 有权
    可视化导管的稳定

    公开(公告)号:US08131350B2

    公开(公告)日:2012-03-06

    申请号:US11961950

    申请日:2007-12-20

    IPC分类号: A61B5/145

    摘要: Systems for the stabilization of visualization catheters are described herein which facilitate the deployment and retraction of an imaging hood from a catheter. Such systems may include a deployment catheter and an imaging hood having one or more structural elements which may be integrated or advanced into the hood independently of the hood itself. Moreover, additional features such as rapid exchange ports may be integrated along the hood or along the catheter proximal to the hood to facilitate intravascular procedures and treatments.

    摘要翻译: 本文描述了用于稳定可视化导管的系统,其有助于来自导管的成像罩的展开和缩回。 这样的系统可以包括展开导管和具有一个或多个结构元件的成像罩,该结构元件可以独立于罩本身而被集成或前进到罩中。 此外,诸如快速交换端口的附加特征可以沿着发动机罩或沿着靠近罩的导管集成,以便于血管内手术和治疗。