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    • 1. 发明授权
    • Introducer apparatus
    • 介绍仪器
    • US08480628B2
    • 2013-07-09
    • US11294912
    • 2005-12-06
    • M. Kem HawkinsThomas A. Osborne
    • M. Kem HawkinsThomas A. Osborne
    • A61M5/178
    • A61M25/0017A61B17/3415A61B2017/00778A61M25/005
    • An apparatus for providing percutaneous access to a vessel of a patient over a wire guide. An outer sleeve of the apparatus has proximal and distal open ends, and has a lumen extending longitudinally therethrough. An inner sleeve has proximal and distal open ends, and has a lumen extending longitudinally therethrough. The inner sleeve is sized to be received within the lumen of the outer sleeve. The inner sleeve has a main body portion having a distal portion that tapers toward its distal open end. The tapered distal portion extends distal to the distal open end of the outer sleeve to provide a generally smooth diametrical transition between the outer sleeve and the wire guide. A more rigid stiffening cannula has proximal and distal open ends, and has a lumen extending longitudinally therethrough. The lumen of the stiffening cannula is sized to receive the wire guide therethrough. The stiffening cannula is sized to be received within the lumen of the inner sleeve, and extends along the main body portion of the inner sleeve to a terminal point proximal to the inner sleeve distal end. The stiffening cannula and the inner sleeve are engaged such that relative axial movement between them is substantially inhibited. As a result, the inner sleeve distal portion acts as a shield for the distal end of the stiffening cannula distal end when the apparatus is percutaneously introduced into the vessel.
    • 一种用于通过线引导件提供对患者的血管的经皮通路的装置。 该装置的外套具有近端和远端开口端,并且具有纵向延伸穿过的内腔。 内套筒具有近端和远端开口端,并且具有纵向延伸穿过其中的内腔。 内套筒的尺寸被设计成容纳在外套筒的内腔内。 内套筒具有主体部分,其具有朝向其远端开口端逐渐变细的远端部分。 锥形远端部分在外套筒的远端开口端的远侧延伸,以在外套筒和导丝器之间提供大致平滑的径向过渡。 更刚性的加强套管具有近端和远端开口端,并且具有纵向延伸穿过其中的内腔。 加强插管的内腔的尺寸被设计成容纳导线穿过其中。 加强套管的尺寸被设计成容纳在内套筒的内腔内,并且沿着内套筒的主体部分延伸到靠近内套套远端的终点。 加强套管和内套筒接合,使得它们之间的相对轴向运动基本上被禁止。 结果,当将该装置经皮地引入容器时,内套筒远端部分用作加强套管远端的远端的屏蔽件。
    • 10. 发明授权
    • Wire guide
    • 导线导轨
    • US07595082B2
    • 2009-09-29
    • US10813423
    • 2004-03-30
    • John J. Connors, IIIKurt J. TekulveThomas A. Osborne
    • John J. Connors, IIIKurt J. TekulveThomas A. Osborne
    • B05D3/12A61M25/09A61M31/00
    • A61M25/09A61M25/01A61M2025/09133A61M2025/09175
    • A wire guide includes a mandrel that has a proximal portion and a distal portion. A first coating with a low coefficient of friction is disposed on the proximal portion of the mandrel. A second coating is disposed on the distal portion of the mandrel, where the second coating provides a sub-structure. A third coating is disposed on the second coating, where the third coating comprises a surface that allows for easy maneuverability of the wire guide. The first coating on the proximal portion provides enough lubricity to keep the wire guide from becoming bound or stuck in a catheter or medical device while still allowing a user to have a good grip of the wire guide. The second coating on the distal portion provides lubricity for the wire guide, which allows the user to easily maneuver the wire guide through a vascular anatomy.
    • 线引导件包括具有近端部分和远端部分的心轴。 具有低摩擦系数的第一涂层设置在心轴的近端部分上。 第二涂层设置在心轴的远端部分上,其中第二涂层提供子结构。 第三涂层设置在第二涂层上,其中第三涂层包括允许导线器易于操作的表面。 近端部分上的第一涂层提供足够的润滑性以保持线引导件不会被粘合或卡在导管或医疗装置中,同时仍然允许使用者具有良好的电线导向器的抓地力。 远端部分上的第二涂层为线引导件提供润滑性,其允许使用者容易地通过血管解剖结构操纵线引导件。