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    • 2. 发明授权
    • Guide-compatible large-electrode catheter for renal nerve ablation with reduced arterial injury
    • 导管相容的大电极导管用于肾神经消融,减少动脉损伤
    • US09220561B2
    • 2015-12-29
    • US13353948
    • 2012-01-19
    • Loren M. CrowMark L. Jenson
    • Loren M. CrowMark L. Jenson
    • A61B18/14A61B19/00A61B17/00A61B18/00
    • A61B18/1492A61B90/39A61B2017/00473A61B2018/00404A61B2018/00434A61B2018/00511A61B2090/0808
    • A first catheter is dimensioned for deployment within a renal artery. A second catheter has a shaft with an outer diameter smaller than an inner diameter of the first catheter's open lumen. A gap is formed between the shaft and the first catheter when the second catheter is situated within the first catheter. The gap facilitates transport of a fluid, such as imaging contrast media, along the first catheter. An electrode arrangement at the distal end of the shaft is configured to deliver ablative energy to perivascular renal nerves, and has an outer diameter about the same size as the inner diameter of the first catheter such that a fit therebetween substantially blocks fluid flow within the gap yet provides for relative movement between the electrode arrangement and the luminal wall. A conductor extends between the proximal and distal ends of the shaft and is coupled to electrode arrangement.
    • 第一个导管的尺寸用于部署在肾动脉内。 第二导管具有外径小于第一导管开口腔内径的轴。 当第二导管位于第一导管内时,在轴和第一导管之间形成间隙。 该间隙便于沿着第一导管输送诸如成像造影剂的流体。 在轴的远端处的电极布置被配置为将消融能量递送至血管周围肾神经,并且具有与第一导管的内径大致相同尺寸的外径,使得其间的配合基本上阻挡在间隙内的流体流动 而是提供电极装置和腔壁之间的相对运动。 导体在轴的近端和远端之间延伸并耦合到电极装置。
    • 3. 发明申请
    • GUIDE-COMPATIBLE LARGE-ELECTRODE CATHETER FOR RENAL NERVE ABLATION WITH REDUCED ARTERIAL INJURY
    • 指导兼容的大电极导管,用于神经退化,减少肢体损伤
    • US20120265066A1
    • 2012-10-18
    • US13353948
    • 2012-01-19
    • Loren M. CrowMark L. Jenson
    • Loren M. CrowMark L. Jenson
    • A61B6/00A61B18/14
    • A61B18/1492A61B90/39A61B2017/00473A61B2018/00404A61B2018/00434A61B2018/00511A61B2090/0808
    • A first catheter is dimensioned for deployment within a renal artery. A second catheter has a shaft with an outer diameter smaller than an inner diameter of the first catheter's open lumen. A gap is formed between the shaft and the first catheter when the second catheter is situated within the first catheter. The gap facilitates transport of a fluid, such as imaging contrast media, along the first catheter. An electrode arrangement at the distal end of the shaft is configured to deliver ablative energy to perivascular renal nerves, and has an outer diameter about the same size as the inner diameter of the first catheter such that a fit therebetween substantially blocks fluid flow within the gap yet provides for relative movement between the electrode arrangement and the luminal wall. A conductor extends between the proximal and distal ends of the shaft and is coupled to electrode arrangement.
    • 第一个导管的尺寸用于部署在肾动脉内。 第二导管具有外径小于第一导管开口腔内径的轴。 当第二导管位于第一导管内时,在轴和第一导管之间形成间隙。 该间隙便于沿着第一导管输送诸如成像造影剂的流体。 在轴的远端处的电极布置被配置为将消融能量递送至血管周围肾神经,并且具有与第一导管的内径大致相同尺寸的外径,使得其间的配合基本上阻挡在间隙内的流体流动 而是提供电极装置和腔壁之间的相对运动。 导体在轴的近端和远端之间延伸并耦合到电极装置。
    • 6. 发明授权
    • Balloon catheter with controller depth incising blade
    • 气囊导管与控制器深度切割刀片
    • US07736375B2
    • 2010-06-15
    • US10998455
    • 2004-11-29
    • Loren M. Crow
    • Loren M. Crow
    • A61B17/32
    • A61B17/3207A61B17/320725A61B2017/00292A61B2017/22038A61B2017/22051A61B2017/22061
    • A device for incising tissue to a pre-selected incision depth within a body conduit of a patient includes an elongated balloon catheter and at least one elongated straight blade that is mounted on the balloon. To control the incision depth, each blade has a blunt section formed with a non-incising surface and a cutting edge positioned distally to the blunt section. A proximal portion of the blade is attached to a proximal balloon section, and in operation, the balloon/blade combination is advanced into the body conduit and positioned distal to the target tissue/stenosis. The balloon is then inflated. With this inflation, the blade is inclined relative to the axis of the catheter with an increasing distance between the blade and the axis in a distal direction. The device is then withdrawn, proximally, to incise the tissue/stenosis.
    • 用于将组织切割成患者的体导管内的预先选择的切口深度的装置包括细长的气囊导管和安装在气囊上的至少一个细长的直叶片。 为了控制切口深度,每个刀片具有钝化部分,其形成有非切削表面和位于钝部部分的远侧的切削刃。 叶片的近端部分附接到近端球囊部分,并且在操作中,气囊/叶片组合进入体导管并定位在靶组织/狭窄处的远侧。 然后气球膨胀。 随着这种膨胀,叶片相对于导管的轴线倾斜,并且叶片和轴线在远端方向上的距离增加。 然后将装置向近端取出以切开组织/狭窄。