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    • 8. 发明授权
    • Fluid seal for endoscope
    • 内窥镜用流体密封
    • US06863661B2
    • 2005-03-08
    • US10447440
    • 2003-05-28
    • Oscar R. Carrillo, Jr.John HolmesKevin Richardson
    • Oscar R. Carrillo, Jr.John HolmesKevin Richardson
    • G02B23/24A61B1/00A61B1/018A61B17/34A61M5/178F16J15/56
    • A61B1/00137A61B1/018A61B17/3462A61B17/3498A61B2017/3437A61M39/04Y10T292/48
    • An endoscope seal that effectively inhibits the egress of fluids from the working channel of an endoscope when an elongate device having a non-circular shaft is disposed therein. The endoscope seal includes a body portion having a proximal end adapted for insertion of an elongate device such as a rapid exchange biliary catheter, a distal end adapted for connection to the proximal end of an endoscope, a lumen extending therethrough which is adapted to receive the elongate device and to provide access to the working channel of the endoscope, and a means for conforming to the non-circular shaft of the elongate device to inhibit the flow of fluid from the working channel of the endoscope. The conforming means may, for example, comprise one or more protrusions extending radially inward in the lumen of the body portion, a sealing material such as a surgical foam that is disposed in the lumen of the body portion, or a sealing mandrel. Whether a single protrusion, a plurality of protrusions, a sealing material or a sealing mandrel is utilized, the present invention provides endoscope seals that readily seal about elongate devices having either circular or non-circular profiles.
    • 一种内窥镜密封件,当具有非圆形轴的细长装置设置在其内时,可有效地阻止流体从内窥镜的工作通道流出。 内窥镜密封件包括主体部分,其具有适于插入细长装置的近端,例如快速交换胆汁导管,适于连接到内窥镜的近端的远端,适于接纳内窥镜 并且提供对内窥镜的工作通道的通路,以及用于与细长装置的非圆形轴一致的装置,以阻止流体从内窥镜的工作通道流出。 适形装置可以例如包括在主体部分的内腔中径向向内延伸的一个或多个突起,设置在主体部分的内腔中的密封材料(例如手术泡沫)或密封心轴。 无论使用单个突起,多个突起,密封材料还是密封心轴,本发明提供了能够容易地密封具有圆形或非圆形轮廓的细长装置的内窥镜密封件。