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    • 6. 发明授权
    • Convertible balloon catheter and manufacture thereof
    • 可转换球囊导管及其制造
    • US06966890B2
    • 2005-11-22
    • US10226117
    • 2002-08-23
    • Noel CoyleNiall Duffy
    • Noel CoyleNiall Duffy
    • A61M25/00A61M29/02A61M25/10A61M29/00
    • A61M25/1036A61M25/104A61M2025/0004A61M2025/0183A61M2025/1056A61M2025/1061
    • A convertible balloon catheter for use as either an over-the-wire catheter or a rapid exchange catheter, comprising a flexible outer shaft, flexible inner shaft, angioplasty balloon, and bifurcate hub. The inner shaft is comprised of a relatively elastic, deformable material and forms an inflation lumen. The inner inflation shaft is attached to the outer shaft, and has a cross section that is radially collapsible to increase the size of a full-length guide wire lumen formed between an outer surface of the inner shaft and an inner surface of the outer shaft. Formed in the outer shaft is a hatch, which covers a guide wire port. The hatch has a perforated peripheral edge which allows the hatch to be removed. The balloon is simply constructed with essentially four components, which significantly reduces the labor required for assembly.
    • 一种可用作线上导管或快速交换导管的可转换气囊导管,包括柔性外轴,柔性内轴,血管成形术球囊和分叉毂。 内轴由相对弹性的可变形的材料组成并形成一个充气腔。 内部充气轴附接到外轴,并且具有径向可折叠的横截面,以增加形成在内轴的外表面和外轴的内表面之间的全长导丝内腔的尺寸。 在外轴上形成一个盖子,它覆盖一个导丝口。 舱口具有穿孔的外围边缘,允许将舱口移除。 气球简单地构造了四个组件,这大大减少了装配所需的人力。
    • 9. 发明申请
    • Catheter and guidewire exchange system with improved catheter design
    • 导管和导丝交换系统具有改进的导管设计
    • US20060025721A1
    • 2006-02-02
    • US10903802
    • 2004-07-30
    • Niall DuffyNoel CoyleDavid Quinn
    • Niall DuffyNoel CoyleDavid Quinn
    • A61M5/178
    • A61M25/09041A61M2025/09116
    • An assembly for guiding a catheter includes a catheter, a catheter advancing and retracting apparatus, and a guidewire removal tool. The catheter comprises an elongate shaft having an exterior surface, a proximal end, and a distal end; a first lumen extending through the shaft and sized to receive a guidewire; and a guideway enabling transverse access from the shaft exterior surface to the first lumen. The catheter advancing and retracting apparatus comprises an elongate housing; an opening formed through the housing and adapted to receive the catheter; and a linear slot formed in the housing and adapted to be aligned with a portion of the catheter guideway. The guidewire removal tool comprises a substantially cylindrical main body sized to be receivable by the first lumen and having a chamfered leading edge adapted to raise the guidewire out of the first lumen through the guideway.
    • 用于引导导管的组件包括导管,导管前进和缩回装置以及导丝去除工具。 导管包括具有外表面,近端和远端的细长轴; 延伸穿过所述轴并且尺寸适于接收导丝的第一腔; 以及能够从轴外表面到第一管腔的横向进入的导轨。 导管前进和收缩装置包括细长的壳体; 通过所述壳体形成并适于接纳所述导管的开口; 以及形成在所述壳体中并且适于与所述导管导轨的一部分对准的线性槽。 导线去除工具包括基本上圆柱形的主体,其大小可被第一管腔接收并且具有适于将引导线从第一管腔通过导轨升高的倒角前缘。
    • 10. 发明申请
    • Arteriovenous Shunt Having a Moveable Valve
    • 具有可移动阀的动静脉分流器
    • US20130204176A1
    • 2013-08-08
    • US13365994
    • 2012-02-03
    • Niall DuffyKevin O'Sullivan
    • Niall DuffyKevin O'Sullivan
    • A61M1/00
    • A61M1/3655
    • An arteriovenous shunt assembly including a shunt having a hollow bore between open first and second ends thereof and a valve slidably disposed through the hollow bore. The valve includes means for retaining the valve in a closed position or in any of various selected open positions that provide corresponding different rates of blood flow through the shunt assembly. In some embodiments, the AV shunt assembly is self-expandable from a collapsed tow-profile configuration employed during transluminal delivery. The valve position in the hollow bore may be adjusted in vivo by inflating a catheter balloon in a blood vessel to bear against an end of the valve. Methods for using the shunt assembly are also disclosed.
    • 一种动静脉分流组件,包括在开放的第一和第二端之间具有中空孔的分流器和可滑动地设置穿过所述中空孔的阀。 阀包括用于将阀保持在关闭位置或各种选择的打开位置中的任何一个中的装置,其提供通过分流组件的相应不同速率的血流。 在一些实施例中,AV分路组件可以在经腔输送期间使用的折叠式牵引轮廓构造自展开。 中空孔中的阀位置可以通过使血管中的导管球囊膨胀而抵靠阀的端部而在体内调节。 还公开了使用分流组件的方法。