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    • 42. 发明申请
    • FUNDUS OBSERVATION DEVICE AND A PROGRAM CONTROLLING THE SAME
    • 基金观察装置和控制其的程序
    • US20080030680A1
    • 2008-02-07
    • US11770124
    • 2007-06-28
    • Hisashi TsukadaTsutomu KikawaYasufumi Fukuma
    • Hisashi TsukadaTsutomu KikawaYasufumi Fukuma
    • A61B3/12
    • A61B3/102
    • A fundus observation device comprises: an image forming part comprising a first image forming part and a second image forming part, the first image forming part forming a 2-dimensional surface image of fundus oculi of an eye through optical processing, the second image forming part optically scanning a surface region of the fundus oculi corresponding to at least a part of the 2-dimensional surface image to form a tomographic image of the fundus oculi; a controller configured to control the image forming part; and a storage configured to store control information including control instructions to be sent from the controller to the image forming part, when one of the 2-dimensional surface image and the tomographic image is formed. The controller, at the time of formation of new one of the 2-dimensional surface image and the tomographic image of the fundus oculi, instructs the image forming part to form the new one of the 2-dimensional surface image and the tomographic image based on the control information stored in the storage.
    • 眼底观察装置包括:图像形成部,包括第一图像形成部和第二图像形成部,所述第一图像形成部通过光学处理形成眼睛的眼底的2维表面图像,第二图像形成部 光学扫描对应于所述二维表面图像的至少一部分的眼底的表面区域,以形成眼底的断层图像; 控制器,被配置为控制图像形成部; 以及存储器,被配置为当形成所述二维表面图像和断层图像中的一个时,存储包括要从所述控制器发送到所述图像形成部分的控制指令的控制信息。 控制器在形成新的二维表面图像和眼底的断层图像时指示图像形成部分形成二维表面图像和断层图像中的新的基于 存储在存储器中的控制信息。
    • 43. 发明申请
    • Optical Image-Measuring Device
    • 光学图像测量装置
    • US20070159597A1
    • 2007-07-12
    • US11621779
    • 2007-01-10
    • Yasufumi FukumaHisashi TsukadaTsutomu Kikawa
    • Yasufumi FukumaHisashi TsukadaTsutomu Kikawa
    • A61B3/14
    • G01B9/02091A61B3/102G01B9/0203G01B9/02044G01B9/02083G01B2290/65
    • The invention provides an optical image-measuring device that avoids long examination time and reduces some troublesome tasks. A fundus observation device 1 (optical image-measuring device) splits light that is output from a low-coherence light source 160 into a signal light LS directed toward the fundus oculi Ef and a reference light LR directed toward a reference mirror 174, and detects interference light LC that is generated by superimposing the signal light LS passing through the fundus oculi Ef and the reference light LR passing through the reference mirror 174 using a spectrometer 180 to form tomographic images of the fundus oculi Ef. Furthermore, the device comprises a reference mirror drive mechanism 243 shifting the reference mirror 174 toward the optical path direction of the reference light LR and a information storage part 225 storing the reference mirror 174 position information based on previous tomographic images. The controlling part 210 controls the reference mirror drive mechanism 243 so that the reference mirror 174 shifts into a position based on reference mirror position information related to the eye to be examined E that is stored in the information storage part 225.
    • 本发明提供了一种光学图像测量装置,其避免了长时间的检查并减少了一些麻烦的任务。 眼底观察装置1(光学图像测量装置)将从低相干光源160输出的光分解成朝向眼底Ef的信号光LS和朝向参照镜174的参考光LR,并且检测 通过使用光谱仪180叠加通过眼底Ef的信号光LS和通过参考镜174的参考光LR产生的干涉光LC,以形成眼底Ef的断层图像。 此外,该装置包括:参考反射镜驱动机构243,使参考镜174朝向参考光LR的光程方向移动;以及信息存储部225,存储基于先前断层图像的参考镜174位置信息。 控制部件210控制参考反射镜驱动机构243,使得参考镜174基于存储在信息存储部分225中的与被检眼E相关的参考镜位置信息而移动到位置。
    • 44. 发明申请
    • Fundus Observation Device
    • 眼底观察装置
    • US20070159596A1
    • 2007-07-12
    • US11621726
    • 2007-01-10
    • Yasufumi FUKUMAHisashi TsukadaTsutomu Kikawa
    • Yasufumi FUKUMAHisashi TsukadaTsutomu Kikawa
    • A61B3/14
    • A61B3/102G01N21/359G01N21/4795G01N2021/1787
    • Highly reliable technology is provided with the capable of forming three-dimensional images of fundus oculi. The image forming part 220 of a computational control unit 200 forms images of the surface of fundus oculi Ef based on results of detecting fundus oculi catoptric light of light illuminated by a fundus camera unit 1A, in addition to forming tomographic images of the fundus oculi Ef based on results of detecting interference light LC from the OCT unit 150. The controlling part 210 synchronizes the timing of detecting fundus oculi catoptric light of light illuminated by the fundus camera unit 1A with the timing of detecting interference light LC from the OCT unit 150. The correction processing part 240 corrects the image positions of the tomographic images based on results of detecting interference light LC from the OCT unit 150 on the basis of two-dimensional images based on the results of detecting fundus oculi catoptric light of light illuminated from the fundus camera unit 1A. The image processing part 230 forms three-dimensional images of fundus oculi Ef based on tomographic images for which the image positions have been corrected.
    • 提供了高度可靠的技术,能够形成眼底三维图像。 计算控制单元200的图像形成部220除了形成眼底的断层图像之外,还基于由眼底照相机单元1A照射的光的基底眼反射光的检测结果来形成眼底的表面的图像 Ef基于检测来自OCT单元150的干涉光LC的结果。 控制部210使从眼底照相机单元1A照射的光的眼底反射光的检测时间与检测来自OCT单元150的干涉光LC的定时同步。 校正处理部240基于从眼底照射的光的眼底反射光的检测结果,基于二维图像,基于从OCT单元150检测干涉光LC的结果来校正断层图像的图像位置 相机单元1A。图像处理部分230基于已经校正了图像位置的断层图像来形成眼底Ef的三维图像。