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    • 5. 发明申请
    • SURGERY ASSISTANCE SYSTEM
    • 手术辅助系统
    • US20110125006A1
    • 2011-05-26
    • US12933232
    • 2009-03-17
    • Seiji YamamotoToshihisa TakaiEtsukazu HayashimotoMasaaki KinparaAkira Miura
    • Seiji YamamotoToshihisa TakaiEtsukazu HayashimotoMasaaki KinparaAkira Miura
    • A61B6/03
    • A61B19/5244A61B1/0057A61B5/06A61B5/064A61B5/103A61B34/20A61B2017/00725A61B2034/107A61B2034/2055G06F19/00
    • Even when the optical axis is offset in a rigid endoscope, the actual optical axis position is measured in advance, and surgery navigation can be performed by using the actual optical axis position.A surgery assistance system comprising 3-dimensional shape measurement means for measuring a 3-dimensional surface shape of a patient; and a rigid endoscope (11) to be inserted into the body of the patient; wherein the rigid endoscope has a position-orientation detection marker (12) measurable by the 3-dimensional shape measurement means; 3-dimensional tomographical data of the patient imaged in advance and a position relationship relating to the actual optical axis position of the rigid endoscope measured in advance are stored in the computation means; 3-dimensional tomographical data and the 3-dimensional surface shape of the patient measured by the 3-dimensional shape measurement means are aligned; the position, orientation, and optical axis of the rigid endoscope are computed on the basis of the position-orientation detection marker measured by the 3-dimensional shape measurement means and the stored actual optical axis position of the rigid endoscope; and the aligned 3-dimensional tomographical data, the optical axis of the rigid endoscope, and the intersection of the optical axis and the tissue wall are displayed.
    • 即使在刚性内窥镜中的光轴偏移的情况下,也可以预先测定实际的光轴位置,也可以通过实际的光轴位置进行手术导航。 一种手术辅助系统,包括用于测量患者的三维表面形状的三维形状测量装置; 以及插入患者体内的刚性内窥镜(11) 其中所述刚性内窥镜具有可由所述三维形状测量装置测量的位置取向检测标记(12); 预先拍摄的患者的3维断层数据和与预先测量的刚性内窥镜的实际光轴位置有关的位置关系存储在计算装置中; 三维断层数据和由三维形状测量装置测量的患者的三维表面形状对齐; 基于由三维形状测量装置测量的位置取向检测标记和刚性内窥镜的存储的实际光轴位置来计算刚性内窥镜的位置,方位和光轴; 并且显示对准的三维断层数据,刚性内窥镜的光轴以及光轴和组织壁的交点。
    • 7. 发明授权
    • Delay interferometer and demodulator
    • 延迟干涉仪和解调器
    • US07848662B2
    • 2010-12-07
    • US11797436
    • 2007-05-03
    • Yasuyuki SuzukiYoshihiro SanpeiMorio WadaHiroyuki MatsuuraAkira Miura
    • Yasuyuki SuzukiYoshihiro SanpeiMorio WadaHiroyuki MatsuuraAkira Miura
    • H04B10/06H04B10/12G01J3/45H04B10/00H04B10/04
    • H04L27/223H04B10/66
    • A delay interferometer and a demodulator including the delay interferometer and a balanced photodetector are provided. A half mirror splits an optical signal into first and second split beams of light which travel on first and second optical paths, respectively. A first reflector being disposed on the first optical path reflects the first split beam of light toward the half mirror. The second reflector being disposed on the second optical path reflects the second split beam of light toward the half mirror. At least one phase compensator being disposed between the half mirror and at least one of the first and second reflectors includes a medium that exhibits thermooptic effect and has temperature dependency of refractive index. The half mirror couples the first and second split beams of light to generate at least first and second coupled beams of light.
    • 提供了延迟干涉仪和包括延迟干涉仪和平衡光电检测器的解调器。 半镜分别将光信号分离成在第一和第二光路上行进的第一和第二分束光束。 设置在第一光路上的第一反射器将第一分束光朝向半反射镜反射。 设置在第二光路上的第二反射器将第二分束光朝向半反射镜反射。 设置在半反射镜和第一反射器和第二反射器中的至少一个之间的至少一个相位补偿器包括呈现光光效应并且具有折射率的温度依赖性的介质。 半反射镜耦合第一和第二分束光以产生至少第一和第二耦合光束。