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    • 4. 发明申请
    • SYSTEMS AND METHODS FOR DIRECTING INSTRUMENTS TO VARYING POSITIONS AT THE DISTAL END OF A GUIDE TUBE
    • 用于指导仪器在指导管的远端的变化位置的系统和方法
    • US20100160729A1
    • 2010-06-24
    • US12640424
    • 2009-12-17
    • Paul J. SmithKatie KruegerBarry WeitznerAndy Campbell
    • Paul J. SmithKatie KruegerBarry WeitznerAndy Campbell
    • A61B1/00
    • A61B1/00154A61B1/00098A61B1/018A61M25/0023A61M25/003A61M2025/0035
    • Described herein are various systems and methods for directing endoscopy instruments to varying positions at a target site. In one aspect, at least one instrument channel has multiple exit points at the distal end of the guide tube, and the position of an instrument delivered through the channel may be switched between the different exit points. In another aspect, an instrument channel splits into multiple branches at the distal end of the guide tube, and the position of an instrument at the target site may be changed by selectively directing the instrument into a different channel branch. In yet another aspect, the guide tube, or a portion thereof, may be rotated to reposition an instrument at the target site. The capability of changing the instrument positions during a procedure would enable a physician to examine or treat multiple target sites within an operative field, without necessitating the full retraction of the instruments or the guide tube from the operative field.
    • 这里描述了用于将内窥镜检查仪器引导到目标位置处的变化位置的各种系统和方法。 在一个方面,至少一个仪器通道在引导管的远端处具有多个出口点,并且通过通道输送的仪器的位置可以在不同的出口点之间切换。 在另一方面,仪器通道在引导管的远端分裂成多个分支,并且可以通过选择性地将仪器引导到不同的通道分支中来改变目标位置处的仪器的位置。 在另一方面,引导管或其一部分可以旋转以在目标位置重新定位仪器。 在手术过程中改变仪器位置的能力将使得医师能够在操作区域内检查或治疗多个目标部位,而不必使仪器或引导管从操作区域完全缩回。