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    • 3. 发明授权
    • Spring assembly for catheter
    • 弹簧组件用于导管
    • US5573522A
    • 1996-11-12
    • US528254
    • 1995-09-14
    • Russell A. HouserRussell B. Thompson
    • Russell A. HouserRussell B. Thompson
    • A61M25/00A61M25/01
    • A61M25/0041A61M25/0133A61M2025/09191
    • A catheter having a proximal portion and a distal portion terminating in a distal tip, is provided with a spring assembly contained within its distal tip portion for providing a bias against side to side deflection of said distal tip. The assembly preferably includes a central wire having a first diameter, which central wire extends from the proximal portion of the catheter to the distal portion, and a plurality of wires secured to the central wire adjacent the distal end thereof. Each of the wires is stranded together, preferably twisted helically, around the central wire and preferably has a second diameter substantially smaller than the first diameter. Alternatively, the stranded wires can be attached along and parallel to the larger diameter wire, and the latter wire is of a substantially greater length than the stranded wires.
    • 具有终端于远侧末端的近端部分和远端部分的导管设置有包含在其远侧末端部分内的弹簧组件,用于提供抵抗所述远侧末端的侧向偏转的偏压。 组件优选地包括具有第一直径的中心线,该中心线从导管的近端部分延伸到远侧部分,以及固定到中心线的多个线,其邻近其远端。 每个电线绞合在一起,优选螺旋地绞合在中心线周围,并且优选地具有基本上小于第一直径的第二直径。 或者,绞合线可以沿着并且平行于较大直径的线被附接,并且后者的线的长度比绞合线大得多。
    • 4. 发明授权
    • Spring assembly for catheter
    • 弹簧组件用于导管
    • US5902291A
    • 1999-05-11
    • US937819
    • 1997-09-29
    • Russell A. HouserRussell B. Thompson
    • Russell A. HouserRussell B. Thompson
    • A61M25/00A61M25/01
    • A61M25/0041A61M25/0133A61M2025/09191
    • A catheter having a proximal portion and a distal portion terminating in a distal tip, is provided with a spring assembly contained within its distal tip portion for providing a bias against side to side deflection of the distal tip. The assembly preferably includes a central wire having a first diameter, which central wire extends from the proximal portion of the catheter to the distal portion, and a plurality of wires secured to the central wire adjacent the distal end thereof. Each of the wires is stranded together, preferably twisted helically, around the central wire and preferably has a second diameter substantially smaller than the first diameter. Alternatively, the stranded wires can be attached along and parallel to the larger diameter wire, and the latter wire is of a substantially greater length than the stranded wires.
    • 具有终端于远侧末端的近端部分和远侧部分的导管设置有包含在其远侧末端部分内的弹簧组件,用于提供抵抗远侧末端的侧向偏转的偏压。 组件优选地包括具有第一直径的中心线,该中心线从导管的近端部分延伸到远侧部分,以及固定到中心线的多个线,其邻近其远端。 每个电线绞合在一起,优选螺旋地绞合在中心线周围,并且优选地具有基本上小于第一直径的第二直径。 或者,绞合线可以沿着并且平行于较大直径的线被附接,并且后者的线的长度比绞合线大得多。
    • 8. 发明申请
    • BALLOON CATHETER WITH INTEGRATED STOP FEATURE FOR PRECISE STENT PLACEMENT, FOR OSTIAL, RENAL AND OTHER LOCATIONS
    • 具有集成停止特征的气囊导管,用于精密静脉放置,用于动态,肾脏和其他位置
    • US20120197378A1
    • 2012-08-02
    • US13365165
    • 2012-02-02
    • Russell A. Houser
    • Russell A. Houser
    • A61F2/84A61M29/02
    • A61M25/104A61F2/95A61F2/958A61F2002/821A61F2250/0098A61M2025/0183A61M2025/1047A61M2025/1056A61M2025/107A61M2025/1072A61M2025/1095
    • Systems and methods for delivering a medical device to a vessel within a mammalian body are provided. The medical device may have a tubular body with an interior and an exterior surface. A delivery device may include a balloon assembly having one or more balloons, with a proximal and portion with the medical device mounted thereon. When the balloon assembly is partially inflated the proximal portion has a larger diameter than the distal portion which may be inserted into the vessel. The proximal portion may have a sufficiently large diameter that prevents it from being inserted into the vessel and permits it to function as a stop. The balloon assembly may be further inflated to deploy the medical device within the vessel. The medical device diameter may expand and optionally contact the interior surface of the vessel when deployed. Alternatively, the invention may be configured to dilate tissue, without deploying a medical device.
    • 提供了用于将医疗装置递送到哺乳动物体内的血管的系统和方法。 医疗装置可以具有带有内部和外部表面的管状体。 递送装置可以包括具有一个或多个气囊的球囊组件,其中安装有近端和附接有医疗装置的部分。 当气囊组件部分地膨胀时,近端部分具有比可以插入容器的远端部分更大的直径。 近端部分可以具有足够大的直径,防止其插入血管并允许其作为停止。 气囊组件可以进一步膨胀以将医疗装置部署在容器内。 当部署时,医疗装置直径可以膨胀并任选地接触容器的内表面。 或者,本发明可以被配置为在不展开医疗装置的情况下扩张组织。
    • 10. 发明申请
    • Arteriotomy Closure Devices and Techniques
    • 动脉闭塞装置和技术
    • US20080114394A1
    • 2008-05-15
    • US11933129
    • 2007-10-31
    • Russell A. HouserWilliam D. Hare
    • Russell A. HouserWilliam D. Hare
    • A61B17/03
    • A61B17/0057A61B17/00491A61B2017/00637A61B2017/00659A61B2017/00862A61B2017/00867A61B2017/2925
    • An arterial closure system includes an arterial closure device (“ACD”) and a deployment tool. The arterial closure device includes a first member forming an enlargement around the circumference of the arterial closure device and being configured to be received against an outer surface of a vessel, a connecting member having a smaller outer diameter than the first member, extending from the first member, and being configured to be positioned within an arteriotomy of a vessel, and a longitudinal channel configured to receive a tube and passing between the first member and the connecting member. The deployment tool includes a handle, a contacting section, and an extension that extends between the handle and the contacting section. The contacting section is designed to mate with the arterial closure device to advance the arterial closure device over the tube and deploy the arterial closure device within the vessel.
    • 动脉闭合系统包括动脉闭合装置(“ACD”)和展开工具。 动脉闭合装置包括第一构件,其形成围绕动脉闭合装置的圆周的放大部,并且构造成抵靠容器的外表面容纳,具有比第一构件更小的外径的连接构件,其从第一构件 并且被构造成定位在血管的动脉切开术内,以及构造成接收管并在第一构件和连接构件之间通过的纵向通道。 展开工具包括手柄,接触部分和在手柄和接触部分之间延伸的延伸部。 接触部分被设计成与动脉闭合装置配合,以将动脉闭合装置推进到管上并将动脉闭合装置展开在血管内。