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    • 1. 发明授权
    • Eye fundus examining apparatus
    • 眼底检查仪
    • US5894337A
    • 1999-04-13
    • US921356
    • 1997-08-29
    • Satoru OkinishiShinya TanakaYasuyuki NumajiriToshiaki OkumuraShigeaki OnoHiroshi ItohTomoyuki Iwanaga
    • Satoru OkinishiShinya TanakaYasuyuki NumajiriToshiaki OkumuraShigeaki OnoHiroshi ItohTomoyuki Iwanaga
    • A61B3/10A61B3/12A61B3/14A61B5/0285A61B3/00
    • A61B3/1241
    • A eye fundus examining apparatus includes a first optical system for projecting measurement light onto the fundus of an eye, a deflecting member provided in the first optical system for deflecting the measurement light, a light receiving element for receiving the reflected light of the measurement light from the fundus of the eye, a predetermined parameter of a target on the fundus of the eye being measured from the light reception information of the light receiving element, a second optical system for projecting a tracking light beam to an area including the target on the fundus of the eye, an image pickup element for receiving the image of the target illuminated by the tracking light beam, and a control system for driving the deflecting member and directing the measurement light onto the target so that the distance of deviation from the illuminated point by the measurement light under an ideal condition on the fundus of the eye to the target image received on the image pickup element may become a set value, the set value being suitably resettable.
    • 眼底检查装置包括用于将测量光投射到眼底的第一光学系统,设置在第一光学系统中用于偏转测量光的偏转构件,用于接收测量光的反射光的光接收元件 眼睛的眼底,根据光接收元件的光接收信息测量眼睛的眼底上的目标的预定参数,用于将跟踪光束投射到眼底的包括目标的区域的第二光学系统 用于接收由跟踪光束照射的目标的图像的图像拾取元件,以及用于驱动偏转构件并将测量光引导到目标上的控制系统,使得偏离照明点的距离由 在眼睛的眼底上的理想条件下的测量光到在图像拾取元件上接收的目标图像 可能成为设定值,设定值可以适当地重置。
    • 3. 发明授权
    • Blood vessel tracking apparatus
    • 血管跟踪仪
    • US06324420B1
    • 2001-11-27
    • US09053743
    • 1998-04-02
    • Nobuyoshi KishidaYasuyuki NumajiriToshiaki OkumuraTomoyuki Iwanaga
    • Nobuyoshi KishidaYasuyuki NumajiriToshiaki OkumuraTomoyuki Iwanaga
    • A61B310
    • A61B3/1233
    • A blood vessel tracking apparatus includes a light source for emitting light and illuminating a blood-vessel with the light. The apparatus also includes a light-receiving sensor for receiving a blood vessel image made of light from the illumination light source reflected by the blood-vessel. The apparatus also includes an optical-path changing device for changing the optical-path of the light emitted from the illumination light source and a calculator for calculating the blood-vessel diameter of the illuminated blood-vessel based on an output of the light-receiving sensor, a plurality of times. A measuring device is also provided, which measures the change in blood-vessel diameter based on the calculating performed by calculating device.
    • 血管跟踪装置包括用于发光并用光照射血管的光源。 该装置还包括一个光接收传感器,用于接收由由血管反射的照明光源产生的由光构成的血管图像。 该装置还包括光路改变装置,用于改变从照明光源发射的光的光路,以及计算器,用于基于光接收的输出计算照明血管的血管直径 传感器,多次。 还提供了一种测量装置,其基于由计算装置执行的计算来测量血管直径的变化。
    • 4. 发明授权
    • Blood flow measuring apparatus
    • 血流量测仪
    • US06337993B1
    • 2002-01-08
    • US09031765
    • 1998-02-27
    • Nobuyoshi KishidaYasuyuki NumajiriShigeaki Ono
    • Nobuyoshi KishidaYasuyuki NumajiriShigeaki Ono
    • A61B310
    • A61B3/1233
    • A blood flow measuring apparatus includes a system control unit that sends outputs for controlling the start and end of the measurement to optimum gain calculation units, which calculate the optimum gains of photomultipliers for receiving the light reflected from the eye fundus and the system control unit controls whether the optimum gains are outputted or not. Also, the optimum gain calculation unit respectively supply the system control units with outputs for monitoring whether the setting of the optimum gain has been completed or not, whereby the system control unit discriminates whether the photomultipliers have been set at the optimum gains.
    • 血液流量测量装置包括系统控制单元,其将用于控制测量开始和结束的输出发送到最佳增益计算单元,该最佳增益计算单元计算用于接收从眼底反射的光的光电倍增器的最佳增益,并且系统控制单元控制 是否输出最佳增益。 此外,最佳增益计算单元分别向系统控制单元提供用于监视最佳增益的设置是否已经完成的输出,由此系统控制单元鉴别光电倍增管是否被设置在最佳增益。
    • 8. 发明授权
    • Ocular-blood-flow meter
    • 眼血流量计
    • US06699198B2
    • 2004-03-02
    • US09879180
    • 2001-06-13
    • Yasuyuki Numajiri
    • Yasuyuki Numajiri
    • A61B502
    • A61B3/1241
    • An ocular blood-flow meter includes an optical system for applying measuring light to a blood vessel of a subject eye, and for receiving light scattered by the blood vessel of the subject eye. A mechanism is provided for changing a direction in which the measuring light is applied and a direction in which the scattered light is received so as to enable a plurality of measurements in different directions. A controller performs the plurality of measurements in the different directions by using the optical system and the mechanism so as to obtain information concerning a blood flow. An output device provides a received-light signal obtained by the optical system or the information concerning the blood flow. An input device enables an operator to select a re-measurement operation in a desired direction from the different directions and to instruct the selected re-measurement operation.
    • 眼睛血流计包括用于向被检眼的血管施加测量光并接收由被检眼的血管散射的光的光学系统。 提供一种用于改变施加测量光的方向和接收散射光的方向以便能够在不同方向进行多次测量的机构。 控制器通过使用光学系统和机构在不同方向执行多个测量,以获得关于血流的信息。 输出装置提供由光学系统获得的接收光信号或关于血流的信息。 输入装置使得操作者能够从不同的方向在期望的方向上选择重新测量操作,并且指示所选择的重新测量操作。