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    • 3. 发明申请
    • ABLATION CATHETER
    • 橡胶导管
    • US20120197246A1
    • 2012-08-02
    • US13357488
    • 2012-01-24
    • Kevin MAUCH
    • Kevin MAUCH
    • A61B18/18A61B18/14
    • A61B18/1492A61B2017/00092A61B2017/00867A61B2018/00404A61B2018/00434A61B2018/00511A61B2018/00577A61B2018/00797A61B2018/00815A61B2018/00821A61B2018/1435
    • An ablation catheter system including a radio frequency generator and an elongate catheter having an ablation element at the distal portion thereof The ablation element has at least one electrode electrically connected to the radio frequency generator and a shape memory component formed from a shape memory material. The shape memory component transforms the ablation element between a first straightened delivery configuration and a second deployed configuration. Thermal energy transfer between the electrode and the shape memory component transforms the shape memory component into the deployed configuration and places the electrode of the ablation element into contact with tissue at a treatment site. The transformation temperature of the shape memory material is a temperature above body temperature such that the transformation of the shape memory component is not activated by mere placement within the body but rather is activated by heat transfer from the electrodes.
    • 消融导管系统,包括射频发生器和在其远端部分具有消融元件的细长导管。消融元件具有电连接到射频发生器的至少一个电极和由形状记忆材料形成的形状记忆部件。 形状记忆部件在第一直线传送配置和第二部署配置之间转换消融元件。 电极和形状记忆组件之间的热能转移将形状记忆组件转变成展开的构型,并将消融元件的电极与处理部位的组织接触。 形状记忆材料的转变温度是高于体温的温度,使得形状记忆组分的转变不仅仅通过放置在体内而被激活,而是通过从电极传热而被激活。
    • 5. 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。