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    • 6. 发明申请
    • Percutanous Methods for Creating Native Tissue Venous Valves
    • 用于创建本土组织静脉瓣的经皮方法
    • US20110155149A1
    • 2011-06-30
    • US13041182
    • 2011-03-04
    • Kevin Mauch
    • Kevin Mauch
    • A61B17/00
    • A61F2/2475A61F2/958
    • Percutaneous methods of forming a venous valve from autologous tissue are disclosed. The methods include percutaneously creating one or two subintimal dissections for forming one or two flaps of intimal tissue. In one method, a puncture element is delivered by a catheter based delivery system to a treatment site where a new venous valve is to be created. The puncture element is deployed to gain access to a subintimal layer of the vein wall. A dilation balloon is than positioned and inflated within the subintimal layer to create a flap and corresponding pocket/sinus in the vein, which than acts as a one-way monocuspid valve in the manner of a native venous valve. In a similar manner, methods of forming new bicuspid venous valves by subintimal dissections are also disclosed.
    • 公开了从自体组织形成静脉瓣的经皮方法。 所述方法包括经皮创建一个或两个内膜消融以形成一个或两个内膜组织瓣。 在一种方法中,穿刺元件通过基于导管的递送系统递送到将要创建新的静脉瓣的治疗部位。 部分穿刺元件以进入静脉壁的内膜层。 扩张气囊不是在内膜层内定位和充气,以在静脉中产生瓣和相应的口袋/窦,其以天然静脉瓣的方式用作单向单瓣阀。 以类似的方式,还公开了通过底内夹层形成新的二尖瓣静脉瓣的方法。
    • 10. 发明申请
    • Hydrodynamic Thrombectomy Catheter
    • 流体动力学血栓切除术导管
    • US20110301625A1
    • 2011-12-08
    • US13211419
    • 2011-08-17
    • Kevin MauchMaria Arreguin
    • Kevin MauchMaria Arreguin
    • A61B17/22
    • A61B17/22A61B2017/00539A61B2017/22034A61B2017/2212A61B2017/2215
    • A catheter apparatus for removing an obstruction within a body lumen includes an elongate tubular shaft defining a lumen and a flexible membrane that fluidly seals the distal end of the tubular shaft. At least one cutting element or tool is attached to and distally extends from the flexible membrane. An actuating mechanism is operatively connected to a proximal end of the tubular shaft. The actuating mechanism displaces a fluid disposed within the lumen of the tubular shaft in such a manner that the fluid oscillates the flexible membrane and the cutting element attached thereto. Accordingly, the catheter apparatus uses pulsatile fluid flow through the tubular shaft to transmit energy from the driving mechanical at the proximal end of the catheter apparatus to the flexible membrane at the distal end of the catheter apparatus. The transmitted energy causes the cutting element to oscillate and break up a target blood clot.
    • 用于去除体腔内的梗阻的导管装置包括限定内腔的细长管状轴和流体地密封管状轴的远端的柔性膜。 至少一个切割元件或工具附接到柔性膜并且从柔性膜向远侧延伸。 致动机构可操作地连接到管状轴的近端。 致动机构使配置在管状轴的内腔内的流体以这样的方式移动,使得流体使柔性膜和连接到其上的切割元件摆动。 因此,导管装置使用穿过管状轴的脉动流体流将导管装置的近端处的机械驱动能量传导到导管装置的远端处的柔性膜。 所传输的能量导致切割元件振荡并破坏目标血块。