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    • 112. 发明授权
    • Catheter with a dual lumen monolithic shaft
    • 导管与双腔单片轴
    • US08684963B2
    • 2014-04-01
    • US13542129
    • 2012-07-05
    • Hua QiuTung-Liang Lin
    • Hua QiuTung-Liang Lin
    • A61M29/00
    • A61M25/1025A61M25/0009A61M25/0026A61M25/0032A61M25/0045A61M25/10A61M2025/0183A61M2025/1061
    • Multi-lumen catheter having a monolithic elongate tubular shaft member having a proximal end, a distal end and a longitudinal length therebetween. The tubular shaft member has an outer cross-sectional dimension that varies along the length of the tubular shaft member. The tubular shaft member has an inner core made of a first material and an outer layer made of a second material. The inner core has a first lumen and a second lumen defined therein, the first lumen having a first lumen cross-section and a length extending at least along a portion of the length of the tubular shaft member. The first lumen cross-section is substantially uniform along the length of the first lumen. The second lumen has a second lumen cross-section and a length extending along the length of tubular shaft member. The second lumen cross-section is substantially uniform along the length of the second lumen.
    • 具有整体式细长管状轴构件的多腔导管具有近端,远端和其间的纵向长度。 管状轴构件具有沿管状轴构件的长度变化的外侧横截面尺寸。 管状轴构件具有由第一材料制成的内芯和由第二材料制成的外层。 内芯具有限定在其中的第一内腔和第二腔,第一腔具有第一内腔横截面和至少沿着管状轴构件的长度的一部分延伸的长度。 第一管腔横截面沿着第一管腔的长度基本均匀。 第二腔具有第二管腔横截面和沿着管状轴构件的长度延伸的长度。 第二管腔横截面沿第二内腔的长度基本均匀。
    • 115. 发明授权
    • Stretch valve balloon catheter and methods for producing and using same
    • 弹力气囊导管及其制造和使用方法
    • US08591497B2
    • 2013-11-26
    • US13707752
    • 2012-12-07
    • Mayser, LLC
    • Leonard PinchukGary A. KalserGregory L. MaybackJames Leone
    • A61M31/00A61M37/00A61M27/00
    • A61M25/0017A61M25/0026A61M25/10185A61M25/10186A61M25/1027A61M2025/1093A61M2210/1085
    • A safety catheter includes a flexible, multi-lumen shaft having an outer diameter, a distal tip, a proximal catheter end with a drain end and a proximal inflation end. The multi-lumen shaft defines a drain lumen, a distal hollow balloon portion, at least one inflation lumen, and a drainage port. A hollow stretch valve is coaxially disposed in the inflation or drainage lumen, or both, has a fixed portion within the inflation or drainage lumen, or both, and prevents fluid from passing through the drainage port in a steady state and has a sliding portion slidably disposed within the inflation or drainage lumen, or both, such that, in a stretched state when the proximal catheter end is stretched, the sliding portion slides within the inflation or drainage lumen, or both to permit fluid to pass through the balloon drainage port and/or wall of the catheter.
    • 安全导管包括具有外径,远侧末端,具有排水端和近侧充气端的近侧导管端的柔性多腔轴。 多腔轴限定排水腔,远端中空球囊部分,至少一个充气腔和排水口。 中空拉伸阀同轴地设置在充气或排水腔或两者中,在充气或排水腔或两者内具有固定部分,并且防止流体在稳定状态下通过排水口,并且滑动部分可滑动地 设置在充气或排液腔内或两者之间,使得当拉伸近端导管端时处于拉伸状态,滑动部分在充气或排液腔内或两者内滑动以允许流体通过气囊排出口和 /或导管壁。