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    • 2. 发明申请
    • OPTICAL PROBE HAVING A POSITION MEASURING SYSTEM
    • 具有位置测量系统的光学探头
    • US20110201922A1
    • 2011-08-18
    • US13125812
    • 2009-10-21
    • Cornelis A. HezemansBernardus H.W. HendriksWaltherus C.J. BierhoffAugustinus L. BraunAdrien E. Desjardins
    • Cornelis A. HezemansBernardus H.W. HendriksWaltherus C.J. BierhoffAugustinus L. BraunAdrien E. Desjardins
    • A61B5/05
    • A61B1/00188A61B1/00096A61B1/00163A61B1/00165A61B5/0062A61B5/0084A61B5/061A61B5/062A61B5/065A61B34/73A61B90/361A61B2034/2051
    • This invention relates to an optical probe (200) and an optical imaging system, including an optical guide (201) having a proximal end and a distal end, an actuation means having driving coils (204) and a magnet, with of which being attached to the optical guide. By supplying a driving current through the driving coils a magnetic flux is generated which interacts with the magnet forming a driving force acting at on the optical guide causing a displacement of the distal end of the optical guide. A position measuring including a position measuring coil (205) is used for monitoring the position of the optical guide, where the internal arrangement of the position measuring coil and the driving coils is such that said displacement of the distal end of the optical guide causes a change in the internal arrangement. A power supply supplies an additional high frequency alternating current (AC) through the driving coils which causes an induced voltage in the position measuring coil and thus generates a magnetic coupling between the position measuring coil and the driving coils. A position measuring means measures the displacement of the distal end of the optical guide by means of measuring the induced voltage resulting in when the internal arrangement changes. This induced voltage change being indicative for the position of the distal end.
    • 本发明涉及一种光学探针(200)和光学成像系统,其包括具有近端和远端的光导(201),具有驱动线圈(204)和磁铁的致动装置 到光导。 通过提供驱动电流通过驱动线圈产生与磁体相互作用的磁通,形成作用在光导上的驱动力,导致光导的远端位移。 包括位置测量线圈(205)的位置测量用于监测光导的位置,其中位置测量线圈和驱动线圈的内部布置使得光导的远端的所述位移导致 改变内部安排。 电源通过驱动线圈提供额外的高频交流电,这导致位置测量线圈中的感应电压,从而在位置测量线圈和驱动线圈之间产生磁耦合。 位置测量装置通过测量导致当内部布置改变的感应电压来测量光导的远端的位移。 该感应电压变化指示远端的位置。
    • 4. 发明申请
    • OPTICAL COHERENT TOMOGRAPHY DIAGNOSTIC APPARATUS
    • 光学相干诊断设备
    • US20090143686A1
    • 2009-06-04
    • US12274991
    • 2008-11-20
    • Yuuji ONIMURAAdrien E. Desjardins
    • Yuuji ONIMURAAdrien E. Desjardins
    • A61B6/00G01B9/02
    • A61B5/0073A61B5/0062A61B5/0066A61B5/0084
    • An optical coherent tomography diagnostic apparatus including: a light source; a splitter for splitting the light outputted from the light source into a measuring light and a reference light; a measuring light path; a reference light path; a probe inserted into a body cavity and emitting the measuring light to a subject of measurement; an image forming unit for calculating intensity distribution of the reflection light and for forming a tomographic image; a standard light path for transmitting standard light obtained by further splitting the light; wherein the light path length when exerting interference between the standard light and the reference light is approximately equal to the light path length when exerting interference between the reference light and the reflection light, and there is included a calculation unit for calculating time change of coherent light data obtained by exerting interference between the standard light and the reference light.
    • 一种光学相干断层摄影诊断装置,包括:光源; 分离器,用于将从光源输出的光分成测量光和参考光; 测光路; 参考光路; 插入体腔中并将测量光发射到测量对象的探针; 图像形成单元,用于计算反射光的强度分布和用于形成断层图像; 用于传送通过进一步分裂光而获得的标准光的标准光路; 其中当施加所述标准光与所述参考光之间的干涉时的光路长度近似等于在施加所述参考光与所述反射光之间的干涉时的光路长度,并且包括用于计算相干光的时间变化的计算单元 通过施加标准光和参考光之间的干扰获得的数据。
    • 5. 发明授权
    • Optical coherent tomography diagnostic apparatus
    • 光学相干断层扫描诊断仪
    • US08108032B2
    • 2012-01-31
    • US12274991
    • 2008-11-20
    • Yuuji OnimuraAdrien E. Desjardins
    • Yuuji OnimuraAdrien E. Desjardins
    • A61B6/00
    • A61B5/0073A61B5/0062A61B5/0066A61B5/0084
    • An optical coherent tomography diagnostic apparatus including: a light source; a splitter for splitting the light outputted from the light source into a measuring light and a reference light; a measuring light path; a reference light path; a probe inserted into a body cavity and emitting the measuring light to a subject of measurement; an image forming unit for calculating intensity distribution of the reflection light and for forming a tomographic image; a standard light path for transmitting standard light obtained by further splitting the light; wherein the light path length when exerting interference between the standard light and the reference light is approximately equal to the light path length when exerting interference between the reference light and the reflection light, and there is included a calculation unit for calculating time change of coherent light data obtained by exerting interference between the standard light and the reference light.
    • 一种光学相干断层摄影诊断装置,包括:光源; 分离器,用于将从光源输出的光分成测量光和参考光; 测光路; 参考光路; 插入体腔中并将测量光发射到测量对象的探针; 图像形成单元,用于计算反射光的强度分布和用于形成断层图像; 用于传送通过进一步分裂光而获得的标准光的标准光路; 其中当施加所述标准光与所述参考光之间的干涉时的光路长度近似等于在施加所述参考光与所述反射光之间的干涉时的光路长度,并且包括用于计算相干光的时间变化的计算单元 通过施加标准光和参考光之间的干扰获得的数据。