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98 条记录 (耗时 0.032 秒)

    Rapid depth scanning optical imaging device
    1.
    发明授权
    Rapid depth scanning optical imaging device 有权
    快速深度扫描光学成像装置

    公开(公告)号：US07133138B2

    公开(公告)日：2006-11-07

    申请号：US10727302

    申请日：2003-12-02

    申请人： Akihiro Horii ,  Mamoru Kaneko ,  Tadashi Hirata ,  Hitoshi Mizuno

    发明人： Akihiro Horii ,  Mamoru Kaneko ,  Tadashi Hirata ,  Hitoshi Mizuno

    IPC分类号： G01B9/02

    CPC分类号： G01B9/02007 ,  G01B9/02003 ,  G01B9/0201 ,  G01B9/0205 ,  G01B9/02091 ,  G01B2290/20 ,  G01B2290/35 ,  G01B2290/40 ,  G01B2290/65 ,  G01B2290/70

    摘要： An optical imaging device includes a reference scanning unit offering a high signal-to-noise ratio and capable of scanning an object rapidly. An interference optical system can be realized inexpensively. In the optical imaging device, low coherent light passed through an optical coupler and another optical coupler, irradiated from an optical scanner probe, reflected from an observed point in a living tissue, returned to the optical coupler, propagated over a fourth SM optical fiber, and routed to another optical coupler shall be referred to as sample light. Light passed through an optical length variation optical system via the optical coupler and routed to the optical coupler shall be referred to as reference light. At this time, a difference between a delay time undergone by the sample light and a delay time undergone by the reference light is proportional to a difference between an optical length for the sample light and an optical length for the reference light. When the optical length difference falls within a coherence length, the sample light and reference light interfere with each other. An interfering signal is acquired into a computer through detectors, a differential amplifier, a demodulator, and an A/D converter.

    摘要翻译： 光学成像装置包括提供高信噪比并且能够快速扫描物体的参考扫描单元。 可以廉价地实现干涉光学系统。 在光学成像装置中，通过光耦合器和从光学扫描器探针照射的另一光耦合器的低相干光从活组织中的观察点反射回到光耦合器，在第四SM光纤上传播， 并且路由到另一个光耦合器应被称为采样光。 通过光学长度变化光学系统的光通过光耦合器并被路由到光耦合器的光线将被称为参考光。 此时，由采样光所经历的延迟时间与参考光经历的延迟时间之间的差异与样本光的光学长度与参考光的光学长度之间的差成正比。 当光学长度差落入相干长度时，样品光和参考光彼此干涉。 通过检测器，差分放大器，解调器和A / D转换器将干扰信号采集到计算机中。

    Rapid depth scanning optical imaging device
    2.
    发明授权
    Rapid depth scanning optical imaging device 有权

    公开(公告)号：US06687010B1

    公开(公告)日：2004-02-03

    申请号：US09656799

    申请日：2000-09-07

    申请人： Akihiro Horii ,  Mamoru Kaneko ,  Tadashi Hirata ,  Hitoshi Mizuno

    发明人： Akihiro Horii ,  Mamoru Kaneko ,  Tadashi Hirata ,  Hitoshi Mizuno

    IPC分类号： G01B902

    CPC分类号： G01B9/02007 ,  G01B9/02003 ,  G01B9/0201 ,  G01B9/0205 ,  G01B9/02091 ,  G01B2290/20 ,  G01B2290/35 ,  G01B2290/40 ,  G01B2290/65 ,  G01B2290/70

    摘要： An optical imaging device includes a reference scanning unit offering a high signal-to-noise ratio and capable of scanning an object rapidly. An interference optical system can be realized inexpensively. In the optical imaging device, low coherent light passed through an optical coupler and another optical coupler, irradiated from an optical scanner probe, reflected from an observed point in a living tissue, returned to the optical coupler, propagated over a fourth SM optical fiber, and routed to another optical coupler shall be referred to as sample light. Light passed through an optical length variation optical system via the optical coupler and routed to the optical coupler shall be referred to as reference light. At this time, a difference between a delay time undergone by the sample light and a delay time undergone by the reference light is proportional to a difference between an optical length for the sample light and an optical length for the reference light. When the optical length difference falls within a coherence length, the sample light and reference light interfere with each other. An interfering signal is acquired into a computer through detectors, a differential amplifier, a demodulator, and an A/D converter.

    Optical probe for producing tomogram of specimen by the use of low-coherence light
    5.
    发明授权
    Optical probe for producing tomogram of specimen by the use of low-coherence light 失效

    公开(公告)号：US07029436B2

    公开(公告)日：2006-04-18

    申请号：US10095225

    申请日：2002-03-08

    申请人： Shuhei Iizuka ,  Akihiro Horii ,  Mamoru Kaneko ,  Kenji Hirooka ,  Hitoshi Mizuno

    发明人： Shuhei Iizuka ,  Akihiro Horii ,  Mamoru Kaneko ,  Kenji Hirooka ,  Hitoshi Mizuno

    IPC分类号： A61B1/00

    CPC分类号： A61B5/6852 ,  A61B5/0066 ,  A61B5/0073

    摘要： On the side at hand of an optical probe, a whole rotation transfer connector rotates while being supported by a ball bearing and a slide bearing and, therefore, rotation is transferred to a flexible shaft. The relative position between the flexible shaft and an optical sheath is changed in accordance with the amount of screwing of a sheath stopping member on the side at hand into an outer cylinder by an external thread portion and an internal thread portion. When the optical sheath is moved furthermore, the flexible shaft is elongated due to elastic deformation because the length of the flexible shaft is regulated by the interval between a locking part of a locking member at the tip and a shaft stopping member. A tip housing is made to contact with the locking member while tension is applied to the flexible shaft by the rear end surface in the direction of the side at hand. During the use of optical probe, even when the optical probe is curved and the inner surface of the flexible shaft is contacted with the inner surface of the optical sheath, moving of the tip housing is canceled by the elongation amount of the flexible shaft elongated in advance and, therefore, the tip housing rotates at a constant position relative to the probe longitudinal direction on all occasions.

    Optical imaging apparatus
    7.
    发明授权
    Optical imaging apparatus 有权
    光学成像装置

    公开(公告)号：US07180600B2

    公开(公告)日：2007-02-20

    申请号：US10874573

    申请日：2004-06-24

    申请人： Akihiro Horii ,  Hitoshi Ueno ,  Shuhei Iizuka ,  Hitoshi Mizuno ,  Tadashi Hirata

    发明人： Akihiro Horii ,  Hitoshi Ueno ,  Shuhei Iizuka ,  Hitoshi Mizuno ,  Tadashi Hirata

    IPC分类号： G01B9/02 ,  A61B6/00

    CPC分类号： A61B5/6852 ,  A61B5/0062 ,  A61B5/0066 ,  G01N21/4795

    摘要： An optical imaging apparatus has an optical scanning probe configured to irradiate low-coherence light onto a subject and to perform photo-reception of light scattered at the subject, and an observation device adapted to construct a cross-section image of the subject based on information from the light received through the optical scanning probe. The optical scanning probe is detachably connected to the observation device.

    摘要翻译： 光学成像装置具有：光学扫描探针，被配置为将低相干光照射到被摄体上并对被检体散射的光进行光接收;以及观察装置，其适于基于信息构建被检体的截面图像 从通过光学扫描探测器接收的光线。 光学扫描探针可拆卸地连接到观察装置。