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    • 10. 发明授权
    • Guide wire insertion and re-insertion tools and methods of use
    • 导丝插入和重新插入工具及使用方法
    • US06606515B1
    • 2003-08-12
    • US09312438
    • 1999-05-14
    • James E. WindheuserJames YearickOscar Carrillo, Jr.Robert C. AllmanFernando Alvarez de ToledoStephen C. EvansNorman C. May
    • James E. WindheuserJames YearickOscar Carrillo, Jr.Robert C. AllmanFernando Alvarez de ToledoStephen C. EvansNorman C. May
    • A61M2500
    • A61M25/0097A61M25/0169A61M25/0172A61M25/02A61M25/09041A61M2025/0183A61M2025/09125
    • An insertion tool and method for easily inserting a guide wire into a guide wire lumen of a catheter, particularly a rapid exchange catheter, for use in an endoscope. The insertion tool includes a main body having a main lumen and a funnel-shaped extension having a funnel lumen that merges with the main lumen. The funnel lumen has a first large opening and a second smaller opening aligned with the guide wire lumen of the catheter such that, when the catheter is disposed in the main lumen, the guide wire may be easily inserted into the large opening of the funnel-shaped extension and into the guide wire lumen of the catheter. The insertion tool may include a tongue or key disposed in the main lumen that is sized to fit in a slot of the catheter to thereby maintain alignment between the funnel lumen and the slot of the catheter. The insertion tool may alternatively include a non-round surface disposed in the main lumen that engages a non-round surface on the exterior of the catheter to thereby maintain alignment between the funnel lumen and the slot of the catheter. The insertion tool may further include a longitudinal slot in the funnel-shaped extension and/or main body to allow removal of the guide wire from the insertion tool while the guide wire remains in the guide wire lumen of the catheter.
    • 一种插入工具和方法,用于将导丝容易地插入导管的导丝管腔中,特别是用于内窥镜的快速交换导管。 插入工具包括具有主腔的主体和具有与主腔融合的漏斗腔的漏斗形延伸部。 漏斗腔具有与导管的导丝管腔对准的第一大开口和第二较小的开口,使得当导管设置在主腔内时,导丝可以容易地插入漏斗形的大开口中, 并延伸到导管的导丝管腔中。 插入工具可以包括设置在主内腔中的舌或键,其尺寸设置成装配在导管的狭槽中,从而保持漏斗腔和导管的狭槽之间的对准。 插入工具可以可选地包括设置在主腔内的非圆形表面,其接合导管外部上的非圆形表面,从而保持漏斗腔和导管狭槽之间的对准。 插入工具还可包括漏斗形延伸部和/或主体中的纵向狭槽,以允许导丝从插入工具移除,同时导丝保留在导管的导丝管腔中。