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    • 2. 发明授权
    • Detachable guidewire extension
    • 可分离导丝延长线
    • US5195535A
    • 1993-03-23
    • US850149
    • 1992-03-12
    • Peter J. Shank
    • Peter J. Shank
    • A61M25/01
    • A61M25/0905
    • A connection system for a guidewire and a guidewire extension includes a manually actuable locking mechanism for locking or unlocking the mated ends of the wires together. One of the mating ends includes a socket. The other mating end includes a wire having a reduced diameter end portion that carries a sleeve. An enlarged wedging element is attached to the tip of the wire. The arrangement of the wedging element and sleeve are insertable into the socket and, after insertion, the arrangement is manipulated to draw the wedging element into the end of the sleeve. The sleeve thus is wedged radially outwardly into firm engagement with the inner surface of the socket. The lock is easily released by pulling the sleeve axially away from the wedging element.
    • 用于导丝和导丝延伸部的连接系统包括用于将线的配合端锁定或解锁的手动致动锁定机构。 配合端之一包括一个插座。 另一个配合端包括具有承载套筒的直径较小的端部的线。 一个放大的楔形元件连接到导线的尖端。 楔形元件和套筒的布置可插入到插座中,并且在插入之后,操作该装置以将楔形元件拉入套筒的端部。 因此,套筒径向向外楔入,以与插座的内表面牢固接合。 通过将套筒轴向拉离楔形元件来容易地释放锁定。
    • 4. 发明授权
    • Low friction varied radiopacity guidewire
    • 低摩擦变化的不透射线导丝
    • US5147317A
    • 1992-09-15
    • US532381
    • 1990-06-04
    • Peter J. ShankKenneth W. Horton
    • Peter J. ShankKenneth W. Horton
    • A61M25/01A61M25/00
    • A61M25/09A61M2025/09083A61M2025/09108A61M2025/09166A61M2025/09175A61M25/0009
    • A guidewire for use in the placement of a catheter includes an elongate flexible core wire and a helical coil wrapped about the core wire. The pitch of the turns of the coil is relatively wide over most of the length of the guidewire with a distal segment having coil turns that are closely adjacent each other. The coil is formed from a radiopaque material. The wide pitch of the coil presented reduced contact area between the guidewire and the catheter, thereby reducing frictional drag between the two. The distal dip defines a relatively dark radiopaque image while the more proximal portions of the guidewire present a less radiopaque relatively gray image. The black/gray fluoroscopic images enable clear determination of the precise position and contour of the guidewire but without obstructing fluoroscopic visualization of radiopaque contrast liquid injected into the body lumen containing the guidewire and catheter.
    • 用于放置导管的导丝包括细长的柔性芯线和缠绕在芯线周围的螺旋线圈。 线圈的匝数在导丝的大部分长度上相对较宽,其中远端段具有彼此紧密相邻的线圈匝。 线圈由不透射线材料形成。 线圈的宽间距减小了导丝和导管之间的接触面积,从而减少了两者之间的摩擦阻力。 远侧凹陷限定相对较暗的不透射线图像,而导丝的较近端部分呈现较不透射的相对灰色图像。 黑色/灰色透视图像能够清楚地确定导丝的精确位置和轮廓,但是不会阻止注射到包含导丝和导管的体腔内的不透射线造影液的荧光透视可视化。
    • 10. 发明申请
    • COMPOSITE STENT WITH INNER AND OUTER STENT ELEMENTS AND METHOD OF USING THE SAME
    • 具有内部和外部元件的复合材料及其使用方法
    • US20090132025A1
    • 2009-05-21
    • US12362503
    • 2009-01-30
    • Peter J. ShankF. Anthony Headley, JR.
    • Peter J. ShankF. Anthony Headley, JR.
    • A61F2/06
    • A61F2/86A61F2/07A61F2/90A61F2002/075A61F2220/0016A61F2220/005A61F2220/0066A61F2220/0075A61F2230/0078A61F2250/0067
    • A composite stent structure includes separate and distinct stent elements or members: an outer stent element and an inner stent element removably attached to the outer stent element. The outer element may be, for example, a bioabsorbable stent typically constructed of a relatively non-resilient material such that the outer bioabsorbable stent element may not be self-expanding and subject to migration within the lumen over time. In contrast, the inner element may be, for example, a removable SEMS used to urge and maintain the outer element in position in the body lumen. The temporary inner SEMS may retain the composite structure (including the underlying inner element) in position until such time as the outer element is appropriately incorporated into the surrounding tissue or some other criteria occurs such that the removal of the SEMS is indicated. The SEMS may then be detached from the outer element and removed from the body lumen.
    • 复合支架结构包括分开且不同的支架元件或构件:外支架元件和可移除地附接到外支架元件的内支架元件。 外部元件可以是例如通常由相对非弹性材料构成的生物可吸收支架,使得外部生物可吸收支架元件可能不会自我扩张并且随着时间内在腔内迁移。 相反,内部元件可以是例如用于将外部元件推动并保持在体腔内的适当位置的可移除的SEMS。 临时内部SEMS可以将复合结构(包括下面的内部元件)保持在适当位置,直到外部元件适当地结合到周围组织中或者出现一些其它标准,以便指出移除SEMS。 然后可以将SEMS从外部元件分离并从体腔中移出。