Multilumen catheter
    4.
    发明公开
    Multilumen catheter 失效
    Mehrlumiger Katheter

    公开(公告)号:EP0495263A1

    公开(公告)日:1992-07-22

    申请号:EP91203416.2

    申请日:1991-12-24

    Abstract: A multilumen catheter (10) having a distal portion with a soft tip and reduced cross-section. The multilumen catheter (10) of the present invention includes a flexible, elongated first catheter tube (18) and a flexible, elongated, dual-lumen catheter tube (20) which has first and second lumens (30,32) integrally formed and is disposed within the first catheter tube (18). The cross-section of the dual-lumen catheter tube (20) is smaller than that of the first catheter tube (18) and therefore, an independent, single lumen (24) is defined in the space between the first catheter tube (18) and the dual-lumen catheter tube (20). The dual-lumen catheter tube (20) extends beyond the distal end of the first catheter tube (18) thereby providing an overall reduced cross-section of the distal portion of the present multilumen catheter (10). Furthermore, the dual-lumen catheter tube (20) may be formed from a softer material than that of the first catheter tube (18) thereby providing a softer distal portion of the present multilumen catheter (10). A protective hub (40) encapsulates and secures the proximal ends of the first and dual-lumen catheter tubes (18,20), and facilitates fluid communication between each of the lumens and fluid transfer devices.

    Abstract translation: 一种多腔导管(10),其具有具有软尖端的远端部分并且具有减小的横截面。 本发明的多腔导管(10)包括柔性细长的第一导管(18)和柔性的,细长的双腔导管(20),其具有整体形成的第一和第二腔(30,32),并且是 设置在第一导管管(18)内。 双腔导管(20)的横截面小于第一导管(18)的横截面,因此在第一导管(18)和第二导管(18)之间的空间中限定独立的单腔(24) 和双腔导管(20)。 双腔导管(20)延伸超过第一导管(18)的远端,从而提供本多孔导管(10)的远端部分的整体减小的横截面。 此外,双腔导管(20)可以由比第一导管(18)更柔软的材料形成,从而提供本发明的多腔导管(10)的较软的远侧部分。 保护轮毂(40)封装并固定第一和双腔导管(18,20)的近端,并且促进每个管腔和流体传送装置之间的流体连通。

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