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    • 1. 发明授权
    • Living body inspecting apparatus and noninvasive blood analyzer using the same
    • 生物体检查装置及无创血液分析仪
    • US06353750B1
    • 2002-03-05
    • US09403551
    • 1999-10-25
    • Rokusaburo KimuraKaoru AsanoHideo KusuzawaYasuhiro KouchiToshiyuki Ozawa
    • Rokusaburo KimuraKaoru AsanoHideo KusuzawaYasuhiro KouchiToshiyuki Ozawa
    • A61B500
    • A61B5/0031A61B5/0261G06F19/00H04B10/532
    • The purpose is to fix a portion of a living body, which is an object of measurement, stably without strain and to acquire accurate inspection results with good reproducibility. An apparatus for capturing an image of a living body includes: a base for mounting a portion of a living body to be inspected; two sidewall members capable of holding the mounted portion of the living body therebetween from both sides; a light source section for supplying a light to the portion of the living body held on the base and between the sidewall members; and a light receiving section for detecting optical information from the portion of the living body supplied with the light, and a non-invasive apparatus for living body inspection including the above apparatus for capturing an image of a living body in which the light receiving section includes an image capturing element, and an analyzing section for calculating information on blood flowing through a blood vessel by analyzing an image of a tissue including the blood vessel obtained by the image capturing element.
    • 目的是将作为测量对象的生物体的一部分稳定地固定而不变形,并以良好的再现性获得精确的检查结果。 一种用于捕获生物体图像的装置,包括:用于安装待检查的生物体的一部分的基座; 两侧壁构件能够从两侧保持活体的安装部分; 光源部,用于向保持在基部上的活体和侧壁部件之间的部分供给光; 以及用于从提供有光的生物体的部分检测光学信息的光接收部分,以及用于生物体检查的非侵入性装置,包括用于捕获其中光接收部分包括的生物体的图像的上述装置 图像捕获元件和分析部分,用于通过分析包括由图像捕获元件获得的血管的组织的图像来计算关于血管流动的血液的信息。
    • 2. 发明授权
    • Noninvasive blood analyzer
    • 无创血液分析仪
    • US6061583A
    • 2000-05-09
    • US77743
    • 1998-06-11
    • Ken IshiharaKaoru AsanoYasuhiro KouchiHideo Kusuzawa
    • Ken IshiharaKaoru AsanoYasuhiro KouchiHideo Kusuzawa
    • A61B5/145A61B5/00G01N21/47
    • A61B5/14535A61B5/1455A61B5/14552A61B5/6826A61B5/6838G01N21/4795
    • A noninvasive blood analyzer is provided which comprises: a light source for illuminating a part of tissues of a living body including a blood vessel; an image pickup section for picking up an image of the illuminated blood vessel and tissues; and an analyzing section for analyzing the picked image; the analyzing section including an extracting section for extracting image density distribution across the blood vessel in the image as an image density profile, a quantifying section for quantifying configurational characteristics of the image density profile, a computing section for computing the concentration of a blood constituent on the basis of the quantified characteristics, and an outputting section for outputting a computation result. The blood analyzer can measure the concentration of blood hemoglobin and the hematocrit in real time with an improved repeatability without blood sampling.
    • PCT No.PCT / JP96 / 03894 Sec。 371日期:1998年6月11日 102(e)1998年6月11日PCT PCT 1996年12月27日PCT公布。 出版物WO97 / 24066 日期1997年7月10日提供了一种无创血液分析仪,其包括:用于照射包括血管的生物体的一部分组织的光源; 用于拾取照明的血管和组织的图像的图像拾取部分; 以及分析部分,用于分析所拾取的图像; 所述分析部分包括提取部分,用于提取图像中的血管中的图像浓度分布作为图像浓度分布;量化部分,用于量化图像浓度分布的结构特征;计算部分,用于计算血液成分的浓度 量化特性的基础,以及用于输出计算结果的输出部分。 血液分析仪可以实时测量血红蛋白浓度和血细胞比容,改善重复性,无需采血。
    • 3. 发明授权
    • Non-invasive blood analyzer
    • 非侵入性血液分析仪
    • US5974338A
    • 1999-10-26
    • US60080
    • 1998-04-15
    • Kaoru AsanoYasuhiro Kouchi
    • Kaoru AsanoYasuhiro Kouchi
    • A61B5/00
    • A61B5/14535A61B5/1455A61B5/14551
    • A non-invasive blood analyzer includes a light source unit for irradiating a portion of a living body, the portion including a blood vessel, and includes an image capturing unit for capturing an image of the irradiated portion. An analyzing unit is included for setting an analysis region in the captured image and analyzing a blood vessel portion in the set analysis region. The image capturing unit captures images of the irradiated portion of the living body a plurality of times and the analyzing unit specifies analysis regions including the same blood vessel portions with respect to the captured images. The analyzing unit determines these regions based upon a position of a feature in sequential images and calculates at least one of blood vessel width, blood component concentration and blood component concentration ratio with respect to the blood vessel portion in each specified analysis region.
    • 非侵入性血液分析仪包括用于照射生物体的一部分的光源单元,该部分包括血管,并且包括用于捕获照射部分的图像的图像捕获单元。 包括分析单元,用于设置拍摄图像中的分析区域并分析设定分析区域中的血管部分。 图像拍摄单元多次拍摄生物体的照射部分的图像,并且分析单元针对捕获的图像指定包括相同血管部分的分析区域。 分析单元基于连续图像中的特征的位置来确定这些区域,并且计算每个指定分析区域中的血管部分的血管宽度,血液成分浓度和血液成分浓度比中的至少一个。
    • 4. 发明授权
    • Apparatus for analyzing blood
    • 用于分析血液的装置
    • US5741213A
    • 1998-04-21
    • US736822
    • 1996-10-25
    • Yasuhiro KouchiKaoru AsanoKen Ishihara
    • Yasuhiro KouchiKaoru AsanoKen Ishihara
    • A61B5/00G06K9/00
    • G06K9/00127A61B5/0059
    • An apparatus for analyzing blood includes an image capturing device for capturing an image including at least one object blood cell and an analyzer for analyzing the captured image as an image F(x, y) in an x-y coordinate system. The analyzer includes an edge calculator for calculating an edge intensity distribution E(x, y) representing an outline of the image F(x, y); a weight memory for storing in advance a weight distribution W(i, j) corresponding to an average outline of the object cell; an assessment value calculator for obtaining an assessment value C (x, y) at each point (x, y) by calculating a degree of correspondence between the edge intensity distribution E (x, y) and the weight distribution W(i, j) for each point (x, y); and an extractor for extracting a point (x, y) at which the assessment value C(x, y) is larger than a predetermined value, thereby determining that the object blood cell is present at the point (x, y). The apparatus is useful as a device for identifying the object blood cell.
    • 用于分析血液的装置包括用于捕获包括至少一个对象血细胞的图像的图像捕获装置和用于在x-y坐标系统中分析捕获图像作为图像F(x,y)的分析器。 分析器包括用于计算表示图像F(x,y)的轮廓的边缘强度分布E(x,y)的边缘计算器。 权重存储器,用于预先存储与所述对象单元的平均轮廓对应的权重分布W(i,j); 评估值计算器,用于通过计算边缘强度分布E(x,y)和权重分布W(i,j)之间的对应度来获得每个点(x,y)处的评估值C(x,y) 对于每个点(x,y); 以及提取器,用于提取评估值C(x,y)大于预定值的点(x,y),从而确定所述对象血细胞存在于所述点(x,y)处。 该装置可用作识别对象血细胞的装置。
    • 8. 发明授权
    • Method of counting particles using degree of membership in clustering
data points into subgroups
    • 使用聚类数据点成员数目的粒子计数子群的方法
    • US5555196A
    • 1996-09-10
    • US900449
    • 1992-06-18
    • Kaoru Asano
    • Kaoru Asano
    • G01N15/10G01N15/12G01N15/14G06M11/00G06T7/60G01N27/27
    • G06T7/606G06K9/0014G06M11/00G01N2015/0069G01N2015/008G01N2015/1062G01N2015/129G06T2207/30024
    • A method of seeking the number of particles of each kind in a group of particles in which plural kinds of particles are intermixed, by measuring, for example, two kinds of properties of each particle by a suitable method or device, plotting each particle on a rectangular coordinate system using the measured properties as its X and Y co-ordinates to obtain a distribution diagram, drafting boundaries to partition the distribution into clusters of the respective kinds and counting the number of particles within the boundary of each cluster, which, especially, even when the clusters of the respective particles are mutually overlapping, can reduce any deviation of the count of particles from its true value as small as possible by defining an optimum boundary. In this method, a center of gravity of each cluster is determined, a degree of attribution of each particle to each cluster is calculated based upon a distance of each particle from the center of gravity and the number of particles belonging to each cluster is counted in consideration of the degree of attribution.
    • 通过适当的方法或装置测量例如每种颗粒的两种性质,在多个颗粒混合的一组颗粒中寻求各种颗粒的数量的方法,将每个颗粒在一个 使用测量属性作为其X和Y坐标的直角坐标系统来获得分布图,绘制边界以将分布划分成各种类型的簇并且计数每个簇的边界内的粒子数, 即使当各个颗粒的簇相互重叠时,也可以通过限定最佳边界来减小颗粒计数与其真实值的偏差尽可能小。 在该方法中,确定每个簇的重心,基于每个粒子与重心的距离计算每个粒子对每个簇的归属度,并且将属于每个簇的粒子的数量计数在 考虑归属程度。
    • 10. 发明授权
    • Non-invasive blood analyzer
    • 非侵入性血液分析仪
    • US5934278A
    • 1999-08-10
    • US442654
    • 1995-05-16
    • Ken IshiharaKaoru AsanoYasunori Maekawa
    • Ken IshiharaKaoru AsanoYasunori Maekawa
    • A61B5/145A61B5/00A61B5/026A61B5/1455G01N15/14G01N33/48A61B6/00
    • G01N15/147A61B5/0261A61B5/1455
    • A non-invasive blood analyzer includes a light applying device for applying light to a detection region including a blood vessel in a living body and a capturing device for capturing an image of the detection region to which the light is applied. Finally, an analyzing device is included for further processing the captured image to analyze blood cells in the blood vessel included in the detection region. Preferably, the analyzing device includes a reference image forming device for forming a reference image by using at least one of a plurality of images which the capturing device repeatedly captures with respect to the same detection region. In addition, it includes a differential image forming device for calculating a difference in pixel information between the reference image and one of the plurality of images to form a differential image by using the calculated difference as pixel information. Finally, a blood cell image detecting device is included for detecting a blood cell image from the differential image.
    • 非侵入式血液分析仪包括:用于对包括生物体中的血管的检测区域进行光照射的光施加装置和用于拍摄被施加光的检测区域的图像的拍摄装置。 最后,包括分析装置,用于进一步处理所捕获的图像,以分析检测区域中包括的血管中的血细胞。 优选地,分析装置包括用于通过使用捕获装置相对于相同检测区域重复捕获的多个图像中的至少一个来形成参考图像的参考图像形成装置。 此外,它包括差分图像形成装置,用于通过使用所计算的差分作为像素信息来计算参考图像和多个图像中的一个图像之间的像素信息的差异,以形成差分图像。 最后,包括用于从差分图像检测血细胞图像的血细胞图像检测装置。