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    • 4. 发明授权
    • Apparatus for treating atherosclerosis
    • 用于治疗动脉粥样硬化的装置
    • US07871431B2
    • 2011-01-18
    • US11188347
    • 2005-07-25
    • Hitinder GurmJay YadavJi-Feng Chen
    • Hitinder GurmJay YadavJi-Feng Chen
    • A61F2/06
    • A61F2/954A61F2/856A61F2/958A61M25/1011
    • An apparatus for interventional treatment of atherosclerosis at a vascular bifurcation includes structure for receiving a first guidewire and a second guidewire. An exit for the second guidewire is located in a central section of the structure. A first balloon portion is secured to the structure so a proximal end is located adjacent the exit. A second balloon portion is secured to the structure so a distal end is located adjacent the exit on a side of the exit opposite the first balloon portion. An annular gap is defined between the proximal end of the first balloon portion and the distal end of the second balloon portion. The annular gap, at a radial outermost location relative to the structure, has a width that is equal to or less than a width of the annular gap at a radially innermost location relative to the structure. The apparatus also includes an expandable stent that is mountable about the first and second balloon portions.
    • 用于在血管分叉处介入治疗动脉粥样硬化的装置包括用于接收第一导丝和第二导丝的结构。 第二导丝的出口位于结构的中心部分。 第一气囊部分固定到结构上,使得近端位于出口附近。 第二气囊部分被固定到结构上,使得远端位于与第一气囊部分相对的出口侧的出口附近。 在第一球囊部分的近端和第二球囊部分的远端之间限定环形间隙。 在相对于结构的径向最外位置处的环形间隙具有等于或小于相对于结构的径向最内部位置处的环形间隙的宽度的宽度。 该装置还包括可围绕第一和第二球囊部分安装的可扩张支架。
    • 6. 发明申请
    • Apparatus for treating atherosclerosis
    • 用于治疗动脉粥样硬化的装置
    • US20060025843A1
    • 2006-02-02
    • US11188347
    • 2005-07-25
    • Hitinder GurmJay YadavJi-Feng Chen
    • Hitinder GurmJay YadavJi-Feng Chen
    • A61F2/06
    • A61F2/954A61F2/856A61F2/958A61M25/1011
    • An apparatus for interventional treatment of atherosclerosis at a vascular bifurcation includes structure for receiving a first guidewire and a second guidewire. An exit for the second guidewire is located in a central section of the structure. A first balloon portion is secured to the structure so a proximal end is located adjacent the exit. A second balloon portion is secured to the structure so a distal end is located adjacent the exit. An annular gap is defined between the proximal end of the first balloon portion and the distal end of the second balloon portion. The annular gap, at a radial outermost location relative to the structure, has a width that is equal to or less than a width of the annular gap at a radially innermost location relative to the structure. The apparatus also comprises an expandable stent that is mountable about the first and second balloon portions.
    • 用于在血管分叉处介入治疗动脉粥样硬化的装置包括用于接收第一导丝和第二导丝的结构。 第二导丝的出口位于结构的中心部分。 第一气囊部分固定到结构上,使得近端位于出口附近。 第二气囊部分固定到结构上,使得远端位于出口附近。 在第一球囊部分的近端和第二球囊部分的远端之间限定环形间隙。 在相对于结构的径向最外位置处的环形间隙具有等于或小于相对于结构的径向最内部位置处的环形间隙的宽度的宽度。 该装置还包括可围绕第一和第二气囊部分安装的可扩张支架。
    • 9. 发明申请
    • Apparatus for use with expandable stents
    • 用于可扩展支架的装置
    • US20060229701A1
    • 2006-10-12
    • US11372932
    • 2006-03-10
    • Hitinder GurmJay YadavJi-Feng Chen
    • Hitinder GurmJay YadavJi-Feng Chen
    • A61F2/06
    • A61F2/958
    • An apparatus for use with an expandable stent having oppositely disposed first and second terminal edges. The apparatus has a catheter shaft with a lumen, and an inflatable balloon with oppositely disposed first and second end portions and an internal chamber. The internal chamber is in fluid communication with the lumen of the catheter shaft, and receives inflation fluid to inflate the balloon. The balloon has cylindrical inner and outer surfaces that extend between the end portions. The cylindrical inner surface is secured to the catheter shaft at first and second attachment sites adjacent the first and second end portions, respectively. At least one of the first and second end portions of the balloon has a toroidal shape defined by an arcuate end surface that intersects the cylindrical inner and outer surfaces at a common radial plane. A respective one of the attachment sites is located adjacent the one end portion lying adjacent the common radial plane. The balloon is positionable within the stent so that one of the terminal edges of the stent lies in the common radial plane to ensure that, when the balloon is expanded, the one terminal edge receives full and uniform expansion pressure.
    • 一种与具有相对设置的第一和第二端边缘的可扩张支架一起使用的装置。 该装置具有带内腔的导管轴和具有相对设置的第一和第二端部和内部腔室的可膨胀气囊。 内室与导管轴的内腔流体连通,并接收充气流体以使气囊膨胀。 气球具有在端部之间延伸的圆柱形内表面和外表面。 圆柱形内表面分别在与第一和第二端部相邻的第一和第二附接位置处固定到导管轴。 球囊的第一和第二端部中的至少一个具有由弧形端面限定的环形形状,该圆弧端面与圆柱形内表面和外表面在共同的径向平面相交。 附接位置中的相应一个位于邻近公共径向平面的一个端部附近。 气囊可以定位在支架内,使得支架的一个端部边缘位于共同的径向平面中,以确保当气囊膨胀时,一个末端边缘接收完全均匀的膨胀压力。