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    • 98. 发明授权
    • Balloon guide
    • 气球指南
    • US4848344A
    • 1989-07-18
    • US120463
    • 1987-11-13
    • Thomas A. SosMichael DeBruyneThomas A. Osborne
    • Thomas A. SosMichael DeBruyneThomas A. Osborne
    • A61B17/22
    • A61M25/09A61B2017/22001A61M2025/09008A61M2025/1093
    • A balloon guide is disclosed which includes a single lumen useful alternately for fluid communication through the distal tip or for inflation of a balloon when the distal end is closed. The guide includes a body formed from coiled wire having a proximal portion in which the coils are held together and a distal portion in which the coils are separable. The balloon is located about the separable coils. A restriction adjacent the distal tip of the guide body is closable by a plug mandril extending through the central lumen of the guide. With the distal tip open, fluid communication is available through the central lumen for pressure measurements, fluid infusion or the like. In an alternate condition, a plug is positioned to close off the distal opening of the guide and also to stretch the coiled wire to separate the coils in the region underlying the balloon, preventing fluid communication through the distal tip, but permitting inflation or deflation of the balloon through the separated wire coils.
    • 公开了一种气球导向器,其包括可以交替地用于通过远端尖端流体连通的单个腔,或者当远端封闭时气囊的充气。 引导件包括由线圈形成的本体,其具有近端部分,线圈被保持在其中;远端部分,线圈可分离。 气球围绕可分离线圈定位。 靠近导向体的远端的限制可以通过延伸穿过引导件的中心腔的塞子心轴闭合。 在远侧末端打开的情况下,通过中央管腔可获得流体连通以进行压力测量,流体输注等。 在替代的条件下,插头被定位成关闭引导件的远端开口并且还拉伸线圈以在气球下方的区域中分离线圈,从而防止流体通过远端尖端连通,但允许通气或放气 气球通过分离的线圈。