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    • 2. 发明申请
    • Robotic Fenestration Device Having Impedance Measurement
    • 具有阻抗测量的机器人开窗装置
    • US20100179632A1
    • 2010-07-15
    • US12352254
    • 2009-01-12
    • Walter BruszewskiJames Machek
    • Walter BruszewskiJames Machek
    • A61F2/84A61B5/053A61B19/00
    • A61B5/0536A61B5/6855A61B18/1206A61B18/1492A61B2018/00875A61B2034/301A61B2562/02A61F2/07A61F2002/061
    • A method and system for real-time continuous impedance monitoring along the surface of a graft implanted within a main vessel to aid in optimally positioning an electrode at a branch vessel ostium. Due to the conductivity differences among various kinds of solid tissue and blood, a fenestration catheter system uses impedance monitoring as a tool to detect the location of branch ostia through graft cloth. Such information enables the fenestration electrode to be properly positioned for creation of a fenestration in the graft cloth in situ. In addition, the fenestration catheter system may utilize impedance information to avoid contact between the electrode and metal stent structures used to anchor the graft during an in situ fenestration procedure. The fenestration catheter system includes a catheter shaft, an electrode, one or more reference or indifferent electrodes, an impedance analyzer, a power source and an electrode position reference to record impedance measurements in relation to position.
    • 一种用于实时连续阻抗监测的方法和系统,其沿着植入在主容器内的移植物的表面,以帮助最佳地将电极定位在分支血管口处。 由于各种固体组织和血液之间的电导率差异,开窗导管系统使用阻抗监测作为工具,通过移植布检测分支口的位置。 这样的信息使得开窗电极能够适当地定位,以便在移植布中原位创建开窗。 此外,开窗导管系统可以利用阻抗信息来避免在原位开窗过程期间用于锚定移植物的电极和金属支架结构之间的接触。 开窗导管系统包括导管轴,电极,一个或多个参考或无关电极,阻抗分析器,电源和电极位置,用于记录与位置相关的阻抗测量。
    • 8. 发明申请
    • Robotically Steered RF Catheter
    • 机器人转向射频导管
    • US20100125282A1
    • 2010-05-20
    • US12271493
    • 2008-11-14
    • James MachekMichael Francis
    • James MachekMichael Francis
    • A61B19/00A61M5/00
    • A61B34/30A61B18/1492A61B2017/00703A61B2034/2051A61B2034/2065A61B2034/301A61B2090/364
    • A distal end of a stent graft fenestration or other special purpose catheter is guided to a location in a patient's vasculature based on input from a surgeon using a pre-operatively generated image of the patient's vasculature—this can be in proximity to an already implanted device. The movement of the catheter is controlled by a robotic surgical system based upon the input from the surgeon. The distal end of the catheter, at the location, is synchronized to the patient's cardiac cycle so the robotic surgical system maintains the distal end of the catheter at the location throughout a cardiac cycle of the patient. The surgeon is not required to precisely manipulate the catheter to maintain the distal end in the proper location throughout the cardiac cycle. The surgeon can focus on performing the desired procedure such as fenestrating the stent graft, endostapling or endosuturing, for example.
    • 基于来自外科医生的使用患者血管系统的预先产生的图像的输入,将支架移植物开窗或其它专用导管的远端导引到患者的脉管系统中的位置 - 这可以在已经植入的装置 。 导管的移动由基于外科医生的输入的机器人手术系统来控制。 在该位置的导管的远端与患者的心脏周期同步,因此机器人手术系统将导管的远端保持在患者心脏周期的位置。 外科医生不需要精确地操纵导管,以将远端保持在整个心脏周期的适当位置。 外科医生可以专注于执行所需的程序,例如开窗支架移植物,内包囊或内插管。