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    • 4. 发明授权
    • System of indicia for a medical device
    • 医疗器械标记系统
    • US06613002B1
    • 2003-09-02
    • US09587301
    • 2000-06-05
    • Tamisha A. ClarkMelvin Kem HawkinsJohn A. Karpiel
    • Tamisha A. ClarkMelvin Kem HawkinsJohn A. Karpiel
    • A61B5103
    • A61M25/09A61B5/1076A61M2025/0008
    • The present invention involves a elongated member, such as a wire guide, that is used with in a endoscopic procedure. In one aspect of the invention, the elongate member includes a first system of indicia comprising a scale reference markings that can include numeric indicia, sequentially increasing markers, etc., located at regular increments (e.g., 1 cm) on the distal portion of the elongate member, that permit measurement of structures within a body passage. In one example, an exchange wire guide having a radiopaque marker on the distal portion is positioned under fluoroscopy at a first location, such as the distal point of a stricture, and the scale reference marking on the wire guide that visible in the viewing region of the endoscope is read. The wire guide is partially withdrawn such that the marker corresponds to a second position (e.g., the proximal point of the stricture) and the new scale reference marking is read. The difference is calculated to determine the length of the structure. In a second aspect of the invention, a second system of indicia are included to aid the endoscopist in maintaining the device in position. These indicia, which may include oblique markings, helical striping, or some other closely spaced markings or pattern, help in the detection of longitudinal movement of the device.
    • 本发明涉及一种细长构件,例如线引导件,其在内窥镜程序中使用。 在本发明的一个方面,细长构件包括标记的第一系统,其包括标尺参考标记,标尺参考标记可以包括数字标记,顺序地增加的标记等,其位于距离的远端部分上的规则增量(例如,1cm)处 细长构件,其允许测量身体通道内的结构。 在一个示例中,在远端部分上具有不透射线标记的交换导线引导件位于第一位置(例如狭窄的远端)的荧光透视下,并且导线引导件上的标尺参考标记在可视区域中可见 内窥镜被读取。 电线引导件部分地撤回,使得标记对应于第二位置(例如,狭窄的近端点),并且读取新的标尺参考标记。 计算差异以确定结构的长度。 在本发明的第二方面,包括标记的第二系统以帮助内窥镜医师将器械维持在适当位置。 这些标记,其可以包括倾斜标记,螺旋条纹或一些其它紧密间隔的标记或图案,有助于检测装置的纵向运动。
    • 6. 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。