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    Side-firing laser fiber with glass fused reflector and capillary and related methods
    2.
    发明授权
    Side-firing laser fiber with glass fused reflector and capillary and related methods 有权

    公开(公告)号：US09888964B2

    公开(公告)日：2018-02-13

    申请号：US14148382

    申请日：2014-01-06

    Applicant: Boston Scientific Scimed, Inc.

    Inventor： Brian M. Hanley ,  Jessica Hixon ,  Christopher L. Oskin ,  Edward Sinofsky

    IPC: A61B18/24 ,  A61B18/22

    CPC classification number: A61B18/24 ,  A61B18/22 ,  A61B2018/2272

    Abstract: A method and an apparatus according to an embodiment of the invention includes a reflector and an optical fiber end portion disposed within a capillary for use in side-firing optical fibers. The reflector surface can be coated with a multilayer dielectric coating to increase the amount of side-fired laser energy. An outer member or cap can be used to protect the capillary when being inserted through a catheter or endoscope. The endoscope is then at least partially inserted into a patient's body to provide laser-based medical treatment. Multiple grooves can be defined on an outer surface of the optical fiber buffer layer to increase the surface area and improve the mechanical strength of the coupling between the optical fiber and the capillary. In some embodiments, the outer member or cap can also be coupled to the grooved surface portion of the optical fiber buffer layer.

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