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    • 9. 发明申请
    • Crimp and cut tool for sealing and unsealing guide wires and tubular instruments
    • 压接和切割工具,用于密封和开封导丝和管状仪器
    • US20060064057A1
    • 2006-03-23
    • US11232178
    • 2005-09-20
    • Mark EberhartWilliam FisherJohn NashDennis Sauro
    • Mark EberhartWilliam FisherJohn NashDennis Sauro
    • A61M29/00A61M25/00
    • A61M25/10184A61M25/09033A61M25/10182A61M25/10185A61M25/104A61M2025/105
    • An apparatus for modulating the pressure of a fluid such as a gas within the expandable portion of a guide wire catheter. The apparatus features a means for controllably gripping and releasing the open, proximal end of a tubular guide wire, means for introducing a fluid to a desired pressure and volume into the expandable portion of the tubular guide wire through the open end, and, while maintaining the pressure and volume of fluid in the tubular guide wire, a means for sealing the open end of said tubular guide wire to seal the fluid in the tubular guide wire. In a preferred embodiment, the apparatus also features a deflation tool for re-opening the sealed tubular guide wire and letting the fluid out. In a particularly preferred embodiment, the pressure and volume of fluid in the tubular guide wire is maintained by utilizing an apparatus to crimp the end of the tubular guide wire, effectively sealing the inside bore of the tubular guide wire. Here, a deflation tool might comprise a means of severing the crimp from the rest of the tubular guide wire, unsealing the bore of the tubular guide wire. Preferably, the crossing profile of the crimped tubular guide wire is no greater than what it was prior to crimping. Using this apparatus, the tubular guide wire can be re-sealed and re-opened as necessary.
    • 一种用于调节诸如导丝导管的可扩张部分内的气体的流体的压力的装置。 该装置具有用于可控地夹紧和释放管状导丝的开口近端的装置,用于将流体通过开口端引导到管状导丝的可膨胀部分中的期望压力和体积的装置,并且在保持 管状导丝中的流体的压力和体积,用于密封所述管状导丝的开口端以密封管状导丝中的流体的装置。 在优选实施例中,该装置还具有用于重新打开密封的管状导丝并使流体流出的放气工具。 在特别优选的实施例中,管状导丝中的流体的压力和体积通过使用压接管状导丝的端部的装置来保持,有效地密封管状导丝的内孔。 这里,放气工具可以包括切断来自管状导丝的其余部分的卷曲的装置,从而开封管状导丝的孔。 优选地,卷曲的管状导丝的交叉轮廓不大于卷曲之前的交叉轮廓。 使用这种装置,可以根据需要重新密封和重新打开管状导丝。