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    • 12. 发明授权
    • Catheter having improved shaped retention
    • 导管具有改善的形状保持力
    • US06685720B1
    • 2004-02-03
    • US09690187
    • 2000-10-16
    • Show-Mean WuRicardo Roman
    • Show-Mean WuRicardo Roman
    • A61M2900
    • A61M25/0054A61M25/104A61M2025/0063A61M2025/1056
    • A catheter for use in a body vessel includes a relatively stiff proximal shaft that is shaped as a tube formed with a lumen and having a proximal end and a distal end. Further, the catheter includes a relatively flexible distal tube formed with a lumen and having a proximal end and a distal end. An inflatable balloon may be attached to the outer wall of the distal tube near the distal end. The proximal end of the distal tube is attached to the distal end of the proximal shaft at a transitional joint. The transitional joint provides a gradual transition in flexibility over the length of the joint between the stiff proximal shaft and the flexible distal tube. Importantly, the transitional joint includes an extension made of a material having superelastic properties when positioned inside the body vessel. One end of the extension is attached to the distal end of the proximal shaft. The other end of the extension projects into the lumen of the distal tube. The extension may be formed as a ribbon, core wire or may constitute a tapered section of the proximal shaft.
    • 用于体内容器的导管包括相对刚性的近端轴,其形状为形成有内腔并具有近端和远端的管。 此外,导管包括形成有内腔并具有近端和远端的相对柔性的远端管。 可充气气囊可以在远端附近附接到远端管的外壁。 远侧管的近端在过渡关节处附接到近端轴的远端。 过渡关节在刚性近端轴和柔性远端管之间的关节的长度上提供了柔性的逐渐过渡。 重要的是,过渡关节包括当位于体内容器内时由具有超弹性的材料制成的延伸部。 延伸部的一端连接到近端轴的远端。 延伸的另一端伸入远端管的内腔。 延伸部可以形成为带状芯线,或者可以构成近端轴的锥形部分。
    • 14. 发明授权
    • Cutting balloon catheter with improved pushability
    • 切割气球导管,具有改善的推力
    • US07632288B2
    • 2009-12-15
    • US10436216
    • 2003-05-12
    • Show-Mean Wu
    • Show-Mean Wu
    • A61B17/22
    • A61B17/320725A61B2017/22061A61M25/0054A61M2025/0063A61M2025/0183
    • Rapid exchange angioplasty catheters and methods of constructing rapid exchange angioplasty catheters including features that provide good pushability and kink resistance. In an illustrative embodiment, a catheter is provided, the illustrative catheter including a proximal hypotube section, which connects to a more distal braided catheter section. The braided catheter section connects to a midshaft portion that includes a guidewire entry port. Distal of the midshaft portion is a distal section having a cutting balloon disposed thereon. An inflation lumen extends the length of the catheter, while a guidewire lumen extends only from the guidewire entry port to the distal end of the catheter. Optionally, a core wire may extend across the joint from the hypotube, to the braided catheter section, and past the guidewire entry port.
    • 快速交换血管成形术导管和构建快速交换血管成形术导管的方法,包括提供良好的推动性和扭结阻力的特征。 在说明性实施例中,提供导管,所述说明性导管包括连接到更远端的编织导管部分的近端海波管部分。 编织导管部分连接到包括导丝入口的中间部分。 中间部分的远端是具有设置在其上的切割气球的远端部分。 膨胀腔延伸导管的长度,而导丝腔仅从导丝进入口延伸到导管的远端。 可选地,芯线可以从海波管延伸穿过接头到编织导管部分,并且经过引导线进入端口。
    • 20. 发明申请
    • BALLOON CATHETER WITH IMPROVED PUSHABILITY
    • 具有改进的压力的气泡导管
    • US20120220935A1
    • 2012-08-30
    • US13464407
    • 2012-05-04
    • Show-Mean Wu
    • Show-Mean Wu
    • A61M25/10
    • A61B17/320725A61B2017/22061A61M25/0054A61M2025/0063A61M2025/0183
    • Rapid exchange angioplasty catheters and methods of constructing rapid exchange angioplasty catheters including features that provide good pushability and kink resistance. In an illustrative embodiment, a catheter is provided, the illustrative catheter including a proximal hypotube section, which connects to a more distal braided catheter section. The braided catheter section connects to a midshaft portion that includes a guidewire entry port. Distal of the midshaft portion is a distal section having a balloon disposed thereon. An inflation lumen extends the length of the catheter, while a guidewire lumen extends only from the guidewire entry port to the distal end of the catheter. Optionally, a core wire may extend across the joint from the hypotube, to the braided catheter section, and past the guidewire entry port.
    • 快速交换血管成形术导管和构建快速交换血管成形术导管的方法,包括提供良好的推动性和扭结阻力的特征。 在说明性实施例中,提供导管,所述说明性导管包括连接到更远端的编织导管部分的近端海波管部分。 编织导管部分连接到包括导丝入口的中间部分。 中间部分的远端是具有设置在其上的球囊的远端部分。 膨胀腔延伸导管的长度,而导丝腔仅从导丝进入口延伸到导管的远端。 可选地,芯线可以从海波管延伸穿过接头到编织导管部分,并且经过引导线进入端口。