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    • 3. 发明申请
    • OPTICAL PROBE AND OPTICAL TOMOGRAPHIC IMAGING APPARATUS
    • 光学探头和光学成像装置
    • US20100027025A1
    • 2010-02-04
    • US12533711
    • 2009-07-31
    • Koki NAKABAYASHI
    • Koki NAKABAYASHI
    • G01B9/02G02B6/36
    • G01B9/0205A61B5/0066A61B5/0073G01B9/02004G01B9/02091G01B2290/65G02B6/3604G02B6/4214
    • An optical probe includes: an optical fiber; a substantially cylindrical ferrule integrally fixed to the optical fiber in the vicinity 2of the distal end of the fiber; a distal optical system for deflecting laser emitted from the optical fiber toward a subject to be measured; a holding portion for holding the distal optical system, the holding portion being supported by the ferrule rotatably about the optical axis of the optical fiber; a rotating oscillator slidably engaging with the outer circumferential surface of the ferrule; a driving unit for imparting oscillation in the direction of the optical axis to the rotating oscillator; and a coupling member for coupling the holding portion with the rotating oscillator elastically in the direction of the optical axis. The rotating oscillator rotates about the optical axis and reciprocates in the direction of the optical axis due to the oscillation applied from the driving unit.
    • 光探头包括:光纤; 在光纤的远端附近的2处一体地固定在光纤上的大致圆筒形的套圈; 远端光学系统,用于将从光纤发射的激光朝向要测量的对象偏转; 用于保持所述远端光学系统的保持部,所述保持部被所述套圈围绕所述光纤的光轴可旋转地支撑; 与所述套圈的外周面可滑动地接合的旋转振荡器; 驱动单元,用于在旋转振荡器的光轴方向上产生振荡; 以及用于将保持部与旋转振荡器沿光轴方向弹性地耦合的联接构件。 旋转振荡器围绕光轴旋转并且由于从驱动单元施加的振动而在光轴的方向上往复运动。
    • 7. 发明申请
    • OCT OPTICAL PROBE AND OPTICAL TOMOGRAPHY IMAGING APPARATUS
    • OCT光学探头和光学成像装置
    • US20090198125A1
    • 2009-08-06
    • US12363021
    • 2009-01-30
    • Koki NAKABAYASHIMasahiro TOIDAKiichi KATOYutaka KOROGITadashi MASUDA
    • Koki NAKABAYASHIMasahiro TOIDAKiichi KATOYutaka KOROGITadashi MASUDA
    • A61B6/02A61B1/06A61B6/00
    • A61B5/6852A61B5/0066
    • An OCT optical probe to be inserted into a subject includes: a cylindrical sheath to be inserted into a subject; an optical fiber disposed in the internal space of the sheath; a rotatably-supporting portion fixed to the optical fiber in the vicinity of a distal end of the optical fiber; a distal optical system to deflect light emitted from the distal end of the optical fiber toward the subject; a holding portion to hold the distal optical system such that the optical system is rotatably supported by the rotatably-supporting portion; and a flexible shaft covering the optical fiber in the internal space, wherein the holding portion is fixed to a distal end of the flexible shaft. Using the OCT optical probe of the invention, the problem of degradation of measurement accuracy due to optical insertion loss and optical reflection loss at a rotary joint can be eliminated inexpensively and safely.
    • 要插入到受试者中的OCT光学探针包括:插入到受试者中的圆柱形护套; 设置在护套的内部空间中的光纤; 在光纤的远端附近固定在光纤上的可转动支撑部; 远端光学系统,用于将从光纤的远端发射的光朝向被摄体偏转; 保持部,其保持所述远端光学系统,使得所述光学系统由所述可旋转支撑部可旋转地支撑; 以及在所述内部空间中覆盖所述光纤的柔性轴,其中所述保持部固定到所述柔性轴的远端。 使用本发明的OCT光学探针,可以廉价且安全地消除由于旋转接头处的光插入损耗和光反射损失引起的测量精度降低的问题。