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    • 8. 发明申请
    • CATHETER INTRODUCER WITH LUBRICATION MEANS
    • 导管介绍与润滑手段
    • WO1993025252A1
    • 1993-12-23
    • PCT/US1993005219
    • 1993-06-04
    • THOMAS MEDICAL PRODUCTS, INC.
    • THOMAS MEDICAL PRODUCTS, INC.THOMAS, Joseph, J.THOMAS, Robert, W.CATLIN, David, G.ARMOUR, Andrew, W.
    • A61M05/178
    • A61M25/0662A61M39/06A61M2039/062A61M2039/0633A61M2039/064A61M2039/0653A61M2039/068
    • Apparatus for introducing a catheter percutaneously into the body of a living being. The apparatus (20) comprises a tubular member having a distal end portion (28) and a proximal end portion. The proximal end portion is in the form of a hollow housing (22) for a hemostatic valve assembly comprising a lubricant reservoir (42) and a valve element (40). The reservoir (42) is formed of a foam material impregnated with a lubricant liquid, e.g., silicone. The valve element (40) is a disk-like member formed of resilient material, e.g., silicone impregnated with polydimethylsiloxane, located distally of the reservoir (42) and has an openable passageway (52) extending through it for the catheter to pass. The reservoir (42) applies the lubricating fluid in a controlled manner onto the catheter as it is passed through it, to thereby facilitate the passage of the catheter through the openable passageway in the valve element (40). The hollow housing (22) is arranged to produce peripheral pressure on the valve element (40) to facilitate its closure.
    • 将导管经皮导入生命体内的装置。 装置(20)包括具有远端部分(28)和近端部分的管状构件。 近端部分为用于止血阀组件的中空壳体22的形式,该止血阀组件包括润滑剂储存器42和阀元件40。 储存器(42)由浸渍有润滑剂液体(例如硅树脂)的泡沫材料形成。 阀元件(40)是由弹性材料(例如,浸渍有聚二甲基硅氧烷的硅氧烷)形成的圆盘状构件,位于储存器(42)的远侧并且具有延伸穿过其的导管通过的可打开通道(52)。 储存器(42)将润滑流体以受控的方式施加到导管上,当其穿过导管时,导致导管通过阀元件(40)中的可打开的通道。 空心壳体(22)被布置成在阀元件(40)上产生周边压力以便于其关闭。