-
公开(公告)号：US5148022A
公开(公告)日：1992-09-15
申请号：US479171
申请日：1990-02-13
IPC分类号： A61B5/00
CPC分类号： A61B5/0073 , A61B5/7242
摘要： A method for optically inspecting a human body and an apparatus for the same serve to scan a light pulse having a visible wavelength to an infrared one on a specific sliced portion of a body to be inspected, for obtaining pieces of projection data about light absorption and to reconstruct an image about distribution of light absorption from the projection data with a computer tomogram. The projection data is measured by alternately radiating a first light pulse at a first wavelength in an absorption wavelength band specific to metabolic materials to be imaged and a second light pulse at a second wavelength being closer to said first wavelength. Then, the data about the transmitted beams are produced by deriving a ratio of integrated values of the first signal to the second one residing within a specific time gate.
-
公开(公告)号：US5190039A
公开(公告)日：1993-03-02
申请号：US622607
申请日：1990-12-05
申请人： Hiroshi Takeuchi , Fumio Kawaguchi , Yuichi Yamashita , Kazuo Takeda , Yoshitoshi Ito , Yasuhiro Mitsui , Keiichi Nagai
发明人： Hiroshi Takeuchi , Fumio Kawaguchi , Yuichi Yamashita , Kazuo Takeda , Yoshitoshi Ito , Yasuhiro Mitsui , Keiichi Nagai
CPC分类号： A61B5/01 , A61B5/055 , A61B5/14539 , A61B5/14553 , G01R33/4804
摘要： An apparatus and a method for non-invasively measuring oxygen partial pressure in a living body in which light is thrown on a living body to be measured, the oxygen saturation of the living body is obtained from the light absorption spectrum or light scattering spectrum thereof, the temperature and/or pH of the living body is obtained from a nuclear magnetic resonance signal from the living body, and the oxygen partial pressure in the living body, useful for the diagnosis thereof, is determined on the basis of not only the oxygen saturation but also the temperature and/or pH of the living body.
摘要翻译： 从光的吸收光谱或光散射光谱获得生物体的氧饱和度的非活性测定生物体中的氧分压的装置和方法， 从生物体的核磁共振信号得到生物体的温度和/或pH值，根据生物体内的氧饱和度判定生物体的氧分压， 还有生物体的温度和/或pH值。
-
公开(公告)号：US5349951A
公开(公告)日：1994-09-27
申请号：US35117
申请日：1993-03-19
CPC分类号： A61B5/0073 , A61B5/7257
摘要： A device for measuring the inside information of a light-scattering specimen using a Line Spread Function (LSF) function of a light-scattering specimen and the intensity distribution of light which is transmitted through the light scattering specimen in repeating light scattering and output from the light scattering specimen. The device comprises: an optical system for illumination for irradiating a specimen to be measured (a light scattering specimen); an optical system for detection for detecting the transmitted light through the specimen; and a data processor for operating the detected transmitted light data. The above-mentioned data processor operates the inside information of a specimen to be measured based on the light intensity distribution of the transmitted light through the specimen and an LSF function which is newly defined, and displays the inside information as a tomograph image.
摘要翻译： 一种使用光散射试样的线扩展函数（LSF）函数测量光散射样本的内部信息的装置和通过光散射样本透射的光的强度分布，重复光散射并从 光散射试样。 该装置包括：用于照射待测样品的光学系统（光散射试样）; 用于检测通过样本的透射光的检测用光学系统; 以及用于操作检测到的发送光数据的数据处理器。 上述数据处理器基于通过样本的透射光的光强度分布和新定义的LSF功能来操作要测量的样本的内部信息，并且将内部信息显示为断层图像。
-
公开(公告)号：US20050171440A1
公开(公告)日：2005-08-04
申请号：US11037338
申请日：2005-01-19
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/055 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507 , A61B2562/0219 , A61B2562/0233 , A61B2562/046
摘要： In an optical measurement system and imaging method adapted to measure in vivo information in a living body without harming the living body, light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. Light is utilized to image the results of the measurements, in which the measuring time is shortened by estimating fluctuation attributable to the living body, and the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time.
-
公开(公告)号：US06282438B1
公开(公告)日：2001-08-28
申请号：US09203610
申请日：1998-12-02
IPC分类号： A61B600
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/055 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507 , A61B2562/0219 , A61B2562/0233 , A61B2562/046
摘要： Light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. After completion of the measurement or during the measurement, changes in concentration values of absorbers in the living body are determined from the living body transmitting light intensity levels of the plurality of wavelengths detected at the respective detection points and a measuring point is set on a perpendicular extending through an intermediate point between the incident point and each detection point so as to image a function of the living body. In living body optical measurement system and method, the measuring time is shortened by estimating fluctuation attributable to the living body, the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time, and a local change in. hemodynamic movement can be measured by detecting light rays transmitting through the interior of the living body by the two light detectors disposed at different two sites (equidistant from the light incident point) on a subject and by separating only the local change in hemodynamic movement from an overall change in hemodynamic movement in the living body in accordance with a logarithmic difference between the two detection signals.
摘要翻译： 以多个不同频率强度调制的多个波长的光线照射在生物体的表面上的多个照射位置上，并且生物体的时间变化透射与各个相对应的光强度水平 波长和各个照射位置在生物体的表面上的不同位置处被测量。 在测量完成之后或在测量期间，生物体中的吸收体的浓度值的变化是根据在各个检测点处检测到的多个波长的光强度水平来发射的，并且将测量点设定在垂直方向 延伸穿过入射点和每个检测点之间的中间点，以便对活体的功能进行成像。 在生物体光学测量系统和方法中，通过估计归因于生物体的波动来缩短测量时间，通过一次显示估计信号和测量信号可以容易地确定测量信号的变化是否存在， 并且可以通过检测设置在被摄体上不同的两个位置（等于光入射点的位置）的两个光检测器检测通过生物体的内部的光线，并且仅分离本地 根据两个检测信号之间的对数差异，从生物体的血液动力学运动的总体变化中改变血流动力学运动。
-
公开(公告)号：US07286870B2
公开(公告)日：2007-10-23
申请号：US09900144
申请日：2001-07-09
IPC分类号： A61B6/00
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/055 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507 , A61B2562/0219 , A61B2562/0233 , A61B2562/046
摘要： In an optical measurement system and imaging method adapted to measure in vivo information in a living body without harming the living body, light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. Light is utilized to image the results of the measurements, in which the measuring time is shortened by estimating fluctuation attributable to the living body, and the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time.
摘要翻译： 在适于测量活体内的体内信息而不损害生物体的光学测量系统和成像方法中，以多个不同频率强度调制的多个波长的光线照射在多个照射位置 在生物体的表面上，在生物体的表面的不同位置测量发射对应于各个波长和各个照射位置的光强度水平的生物体的随时间变化。 光被用于对测量结果进行成像，其中通过估计归因于生物体的波动来缩短测量时间，并且可以通过显示估计信号和测量的信号来容易地确定测量信号的变化的存在或不存在 信号一次。
-
公开(公告)号：US5586554A
公开(公告)日：1996-12-24
申请号：US197749
申请日：1994-02-16
CPC分类号： A61B5/0073 , A61B5/0059
摘要： An optical system is arranged to irradiate light to the inside of a test subject and detect the light passed through the test subject for obtaining information about the inside of the test subject. The optical system includes a light source for generating rays of light having different wavelengths, an apparatus for irradiating the rays of light to corresponding spots on the test subject, an apparatus for detecting the light passed through the test subject at plural detecting spots on the test subject, and an apparatus for dispersing the detected light. The rays of light to be irradiated to the test subject have a visible wavelength to a near infrared one. The apparatus for irradiating light operates to irradiate the rays of light of each of the wavelengths to the test subject substantially at one time or by shifting the irradiating times according to each of the wavelengths. The apparatus for irradiating light contains the apparatus for dispersing the irradiated light into respective wavelengths. The rays of light dispersed by the dispersing apparatus are irradiated to the test subject.
摘要翻译： 光学系统被布置成将光照射到测试对象的内部，并检测通过测试对象的光以获得关于测试对象内部的信息。 光学系统包括用于产生具有不同波长的光线的光源，用于将光线照射到测试对象上的相应点的设备，用于检测在测试中的多个检测点处通过测试对象的光的设备 主体和用于分散检测到的光的装置。 要照射到受试对象的光线具有近红外线的可见波长。 用于照射光的装置基本上一次照射每个波长的光线到测试对象，或者根据每个波长移动照射时间。 用于照射光的装置包含用于将照射的光分散到各个波长的装置。 将由分散装置分散的光线照射到测试对象。
-
公开(公告)号：US08050744B2
公开(公告)日：2011-11-01
申请号：US11037338
申请日：2005-01-19
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/055 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507 , A61B2562/0219 , A61B2562/0233 , A61B2562/046
摘要： In an optical measurement system and imaging method adapted to measure in vivo information in a living body without harming the living body, light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. Light is utilized to image the results of the measurements, in which the measuring time is shortened by estimating fluctuation attributable to the living body, and the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time.
摘要翻译： 在适于测量活体内的体内信息而不损害生物体的光学测量系统和成像方法中，以多个不同频率强度调制的多个波长的光线照射在多个照射位置 在生物体的表面上，在生物体的表面的不同位置测量发射对应于各个波长和各个照射位置的光强度水平的生物体的随时间变化。 光被用于对测量结果进行成像，其中通过估计归因于生物体的波动来缩短测量时间，并且可以通过显示估计信号和测量的信号来容易地确定测量信号的变化的存在或不存在 信号一次。
-
公开(公告)号：US5803909A
公开(公告)日：1998-09-08
申请号：US539871
申请日：1995-10-06
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B2562/0219 , A61B2562/0233 , A61B2562/046 , A61B5/055 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507
摘要： Light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface Changes in concentration values of absorbers are determined from the living body transmitting light intensity levels and a measuring point is set on a perpendicular extending through an intermediate point between the incident point and each detection point to image a function of the living body. The measuring time is shortened by estimating fluctuation attributable to the living body, and a local change in hemodynamic movement can be measured by detecting light rays transmitting through the interior of the living body by light detection at two different sites (equidistant from the light incident point) on a subject and by separating only the local change in hemodynamic movement from an overall change in hemodynamic movement in the living body in accordance with a logarithmic difference between the two detection signals.
摘要翻译： 以多个不同频率强度调制的多个波长的光线照射在生物体的表面上的多个照射位置上，并且生物体的时间变化透射与各个相对应的光强度水平 波长和各个照射位置在表面上的不同位置被测量吸收体的浓度值的变化由生物体透射光强度水平确定，并且测量点设置在延伸穿过入射点和每个之间的中间点的垂直 检测点成像生物体的功能。 通过估计生物体的波动来缩短测量时间，并且可以通过在两个不同位置（等于光入射点的光检测）检测透射通过生物体内部的光线来测量血液动力学运动的局部变化 ），并且根据两个检测信号之间的对数差异仅分离血液动力学运动的局部变化与生物体中的血液动力学运动的总体变化。
-
公开(公告)号：US07440794B2
公开(公告)日：2008-10-21
申请号：US11037282
申请日：2005-01-19
IPC分类号： A61B5/00
CPC分类号： A61B5/0059 , A61B5/0042 , A61B5/055 , A61B5/14552 , A61B5/14553 , A61B5/18 , A61B5/6814 , A61B5/7207 , A61B5/7228 , A61B6/03 , A61B6/507 , A61B2562/0219 , A61B2562/0233 , A61B2562/046
摘要： In an optical measurement system and imaging method adapted to measure in vivo information in a living body without harming the living body, light rays of a plurality of wavelengths which are modulated in intensity with a plurality of different frequencies are irradiated on a plurality of irradiation positions on the surface of a living body, and time-variable changes in living body transmitting light intensity levels corresponding to the respective wavelengths and the respective irradiation positions are measured at different positions on the surface of the living body. Light is utilized to image the results of the measurements, in which the measuring time is shortened by estimating fluctuation attributable to the living body, and the presence or absence of a change in measured signal can be decided easily by displaying an estimation signal and a measured signal at a time.
摘要翻译： 在适于测量活体内的体内信息而不损害生物体的光学测量系统和成像方法中，以多个不同频率强度调制的多个波长的光线照射在多个照射位置 在生物体的表面上，在生物体的表面的不同位置测量发射对应于各个波长和各个照射位置的光强度水平的生物体的随时间变化。 光被用于对测量结果进行成像，其中通过估计归因于生物体的波动来缩短测量时间，并且可以通过显示估计信号和测量的信号来容易地确定测量信号的变化的存在或不存在 信号一次。
-
-
-
-
-
-
-
-
-
搜索结果
37 条记录 (耗时 0.029 秒)