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    • 26. 发明授权
    • Flexible catheter
    • 柔性导管
    • US06500147B2
    • 2002-12-31
    • US09253591
    • 1999-02-22
    • Samuel L. OmalekiIsaac J. KimJefferey C. BleamJuan T. DomingoAndres D. TomasCelso J. Bagaoisan
    • Samuel L. OmalekiIsaac J. KimJefferey C. BleamJuan T. DomingoAndres D. TomasCelso J. Bagaoisan
    • A61M2900
    • A61M25/104A61M25/0054A61M25/09A61M25/09033A61M2025/0098A61M2025/09008A61M2025/09183A61M2025/1079A61M2025/1093
    • A balloon catheter having improved flexibility in and about its distal end is provided. The flexibility of the catheter is determined in part by improving the properties of a wire or catheter located within the area where the balloon is mounted. In one aspect of the present invention, connecting wires extend through the balloon from the distal end of a catheter body to the proximal end of a core wire. The core wire extends distally away from the connecting wires and the catheter body. In another aspect of the present invention, a core wire is provided having a proximal end extending within the balloon into the catheter tubular body but is not mounted therein. This allows the proximal end of the core wire to “float” within the tubular body, such that when the catheter is advanced through the vasculature of a patient, the core wire may move longitudinally within the tubular body. In another aspect of the present invention, the balloon is mounted over a tubular body which is configured to give the catheter longitudinal flexibility.
    • 提供了具有在其远端中及其远端具有改进的柔性的球囊导管。 导管的灵活性部分地通过改进位于安装气球的区域内的线或导管的性质来确定。 在本发明的一个方面,连接线从导管主体的远端延伸穿过球囊到芯线的近端。 芯线远离连接线和导管主体延伸。 在本发明的另一方面,提供了一种芯线,其具有在气囊内延伸到导管管状体中但未安装在其中的近端。 这允许芯线的近端在管状体内“漂浮”,使得当导管前进通过患者的脉管系统时,芯线可以在管状体内纵向移动。 在本发明的另一方面,气囊被安装在管状体上,该管状体被配置成给予导管的纵向柔性。