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    • 2. 发明申请
    • LASER FIBER CAPILLARY APPARATUS AND METHOD
    • 激光纤维毛细管装置和方法
    • WO2009158073A1
    • 2009-12-30
    • PCT/US2009/043521
    • 2009-05-12
    • BOSTON SCIENTIFIC SCIMED, INC.HIXON, JessicaOSKIN, Christopher, L.
    • HIXON, JessicaOSKIN, Christopher, L.
    • A61B18/22
    • A61B18/22A61B2018/2272
    • A method and an apparatus according to an embodiment of the invention includes a capillary for use in side-firing optical fibers. An outer surface of the capillary defines a recessed transmissive portion of the capillary. The area of the recessed transmissive portion can be a four-sided area or an area with a rounded boundary, for example. An optical-fibercore end portion disposed within the capillary can include an end surface configured to redirect laser energy in a lateral direction and through the recessed transmissive portion of the capillary. The lateral direction can be substantially normal to the recessed transmissive portion of the capillary and offset from a longitudinal axis of the distal end portion of the core. The end surface of the core can be non-perpendicular to the longitudinal axis. In some embodiments, a multilayer dielectric coating can be disposed on the end surface of the core.
    • 根据本发明的实施例的方法和装置包括用于侧射光纤的毛细管。 毛细管的外表面限定了毛细管的凹入的透射部分。 凹陷透射部分的区域可以是例如四边形区域或具有圆形边界的区域。 布置在毛细管内的光纤芯端部可以包括端面,其被配置成在横向方向上并且穿过毛细管的凹进的透射部分来重定向激光能量。 横向方向可以基本上垂直于毛细管的凹入的透射部分并且从芯的远端部分的纵向轴线偏移。 芯的端面可以不垂直于纵向轴线。 在一些实施例中,可以在芯的端表面上设置多层电介质涂层。