公开(公告)号：US09259205B2

公开(公告)日：2016-02-16

申请号：US13990063

申请日：2011-11-28

Applicant: Tomohiko Tanaka ,  Takashi Azuma ,  Kunio Hashiba

Inventor： Tomohiko Tanaka ,  Takashi Azuma ,  Kunio Hashiba

IPC: A61B8/00 ,  A61B8/06 ,  A61B8/08

CPC classification number: A61B8/06 ,  A61B8/0883 ,  A61B8/0891 ,  A61B8/5246

Abstract: Provided is a technology which quantitatively measures blood flow in the vicinity of circulatory organs. An ultrasound image capture device according to the present invention removes an image portion corresponding to an organ shape by taking the difference of a multi-frame ultrasound image, and thereafter computes a measured value of a blood flow velocity vector on the basis of a plurality of images at different timings (as per FIG. 3).

Abstract translation: 提供了一种定量测量循环器官附近血液流量的技术。 根据本发明的超声波图像捕获装置通过取多帧超声波图像的差异去除对应于器官形状的图像部分，然后基于多个超帧图像计算血流速度矢量的测量值 不同时间的图像（如图3所示）。

公开(公告)号：US09119557B2

公开(公告)日：2015-09-01

申请号：US13128350

申请日：2009-10-29

Applicant: Hironari Masui ,  Takashi Azuma

Inventor： Hironari Masui ,  Takashi Azuma

IPC: A61B8/00 ,  A61B8/08 ,  G06T7/20

CPC classification number: A61B8/08 ,  A61B8/463 ,  A61B8/469 ,  A61B8/483 ,  A61B8/5246 ,  A61B8/5276 ,  G06T7/215 ,  G06T2207/10132

Abstract: An ultrasonic image processing method and device, and an ultrasonic image processing program which can correspond to analytical methods different depending on a region or the purpose of a diagnosis or treatment. The ultrasonic image processing method comprises an image data creation step which stores a detection result obtained by irradiating a subject with ultrasonic waves by an irradiating section and detecting an ultrasonic signal from the subject by a detecting section and creates at least two-frame image data different in detection timing on the basis of the stored detection result, a motion vector distribution image creation step which creates a motion vector distribution image on the basis of a predetermined motion vector analysis through the use of a plurality frames of the image data, and a conversion step which converts a vector distribution image to a scalar distribution image on the basis of a plurality of established regions of interest (ROI).

Abstract translation: 一种超声波图像处理方法和装置，以及可以对应于根据诊断或治疗的区域或目的而不同的分析方法的超声波图像处理程序。 超声波图像处理方法包括：图像数据生成步骤，其通过照射部存储通过用超声波照射被检体而得到的检测结果，并通过检测部检测来自被检体的超声波信号，并生成不同的两帧图像数据 基于所存储的检测结果的检测定时，基于通过使用所述图像数据的多个帧，基于预定运动矢量分析来创建运动矢量分布图像的运动矢量分布图像创建步骤，以及转换 步骤，其基于多个建立的感兴趣区域（ROI）将矢量分布图像转换为标量分布图像。

公开(公告)号：US08971600B2

公开(公告)日：2015-03-03

申请号：US13263184

申请日：2010-04-07

Applicant: Hideki Yoshikawa ,  Takashi Azuma

Inventor： Hideki Yoshikawa ,  Takashi Azuma

IPC: G06K9/00 ,  G06T7/00 ,  A61B8/00 ,  G01S15/89 ,  A61B8/06 ,  A61B8/13 ,  A61B8/08 ,  G01S7/52

CPC classification number: G01S15/8979 ,  A61B8/06 ,  A61B8/13 ,  A61B8/463 ,  A61B8/469 ,  A61B8/481 ,  A61B8/483 ,  G01S7/52071 ,  G01S15/8993

Abstract: An ultrasonic diagnostic apparatus is provided for displaying a color map on which a difference in blood flow dynamics is reflected. Setting a test subject who is administered a contrast agent is assumed as an imaging target, and a probe transmits and receives ultrasonic waves to and from the target for contrast imaging. Image data is constructed based on signals received by the probe and a time-intensity curve is generated from intensity values of the image data. According to the time-intensity curve, a value of a predetermined parameter is calculated for producing a distribution image of blood flow dynamics. The distribution image (color map) of the blood flow dynamics is produced from the parameter value. The color map is a two-dimensional or a three-dimensional image being color-coded according to the parameter value. At least one of the followings may be used as the parameter; a contrast agent inflow start time, a balanced intensity arrival time, a contrast agent disappearance start time, a contrast agent duration, a preset threshold arrival time, an intensity increase rate, an intensity decrease rate, intensity of balanced state, and a total flow amount.

Abstract translation: 提供超声波诊断装置，用于显示反映血流动力学差异的色图。 设置施用造影剂的测试对象被认为是成像对象，并且探针向对象成像的目标发送和接收超声波。 图像数据是基于由探头接收的信号构成的，并且由图像数据的强度值产生时间 - 强度曲线。 根据时间 - 强度曲线，计算用于产生血流动力学分布图像的预定参数的值。 从参数值产生血流动力学的分布图像（颜色图）。 彩色图是根据参数值进行颜色编码的二维或三维图像。 可以使用以下中的至少一个作为参数; 造影剂流入开始时间，平衡强度到达时间，造影剂消失开始时间，造影剂持续时间，预设阈值到达时间，强度增加率，强度降低率，平衡状态强度和总流量 量。

公开(公告)号：US08867813B2

公开(公告)日：2014-10-21

申请号：US13503858

申请日：2010-10-26

Applicant: Hironari Masui ,  Takashi Azuma

Inventor： Hironari Masui ,  Takashi Azuma

IPC: G06K9/00 ,  G06K9/32 ,  A61B8/08 ,  G06T7/00

CPC classification number: A61B8/085 ,  A61B8/5269 ,  G06K9/3233 ,  G06T7/0014 ,  G06T2207/10132 ,  G06T2207/30096

Abstract: An ultrasonic imaging apparatus is provided, discriminates a noise area where echo signals are faint, by selecting a reference frame and a comparative frame from an image obtained by processing received signals and including a plurality of frames. A region of interest is set in the reference frame, a search area wider than the region of interest is set in the comparative frame, and multiple candidate regions being destination candidates of the region of interest are set within the search area. A degree of similarity between an image characteristic value in the region of interest and an image characteristic value in the candidate region is calculated, with respect to each of the candidate regions, to obtain a distribution of the degrees of similarity across the search area. Based on the similarity distribution, whether or not the region of interest corresponds to the noise area is determined.

Abstract translation: 提供超声波成像装置，通过从通过处理接收信号而获得并包括多个帧而获得的图像中选择参考帧和比较帧来鉴别回波信号是微弱的噪声区域。 将感兴趣区域设置在参考帧中，在比较帧中设置比感兴趣区域宽的搜索区域，并且将多个候选区域设置在搜索区域内。 针对每个候选区域，计算感兴趣区域中的图像特征值与候选区域中的图像特征值之间的相似度，以获得搜索区域上的相似度的分布。 基于相似度分布，确定感兴趣区域是否对应于噪声区域。

公开(公告)号：US08861812B2

公开(公告)日：2014-10-14

申请号：US12866712

申请日：2009-02-17

Applicant: Hideki Yoshikawa ,  Takashi Azuma

Inventor： Hideki Yoshikawa ,  Takashi Azuma

IPC: A61B8/00 ,  A61B8/14 ,  A61B8/06 ,  G01S7/52

CPC classification number: A61B8/06 ,  G01S7/52033 ,  G01S7/52071 ,  G01S7/52074

Abstract: Provided is an ultrasonic imaging apparatus including: a time-gain controller (TGC) that compensates an amplitude fading occurring in the process of propagation inside a living body; a scan converter (SC) that constructs image data; a TIC measurement unit that measures a TIC of each pixel; an evaluation index input unit that inputs an index for evaluating hemodynamics on the basis of a TIC; a mapping parameter estimation unit that estimates a mapping parameter comparable to an evaluation index; a TIC image construction unit that constructs a two-dimensional image on the basis of the mapping parameter; and a pixel detection unit that extracts a region corresponding to a color map from a TIC image, and utilizing a TIC measured with each pixel so as to measure a difference in hemodynamics.

Abstract translation: 提供一种超声波成像装置，包括：补偿在生物体内传播过程中发生的振幅衰落的时间增益控制器（TGC）; 构建图像数据的扫描转换器（SC）; TIC测量单元，测量每个像素的TIC; 评估指标输入单元，其输入用于基于TIC评估血液动力学的指标; 映射参数估计单元，其估计与评估指标相当的映射参数; TIC图像构造单元，其基于映射参数构建二维图像; 以及像素检测单元，其从TIC图像提取与颜色映射相对应的区域，并且利用用每个像素测量的TIC来测量血液动力学的差异。

公开(公告)号：US20130289408A1

公开(公告)日：2013-10-31

申请号：US13990063

申请日：2011-11-28

Applicant: Tomohiko Tanaka ,  Takashi Azuma ,  Kunio Hashiba

Inventor： Tomohiko Tanaka ,  Takashi Azuma ,  Kunio Hashiba

IPC: A61B8/06

CPC classification number: A61B8/06 ,  A61B8/0883 ,  A61B8/0891 ,  A61B8/5246

Abstract: Provided is a technology which quantitatively measures blood flow in the vicinity of circulatory organs. An ultrasound image capture device according to the present invention removes an image portion corresponding to an organ shape by taking the difference of a multi-frame ultrasound image, and thereafter computes a measured value of a blood flow velocity vector on the basis of a plurality of images at different timings (as per FIG. 3).

Abstract translation: 提供了一种定量测量循环器官附近血液流量的技术。 根据本发明的超声波图像捕获装置通过取多帧超声波图像的差异去除对应于器官形状的图像部分，然后基于多个超帧图像计算血流速度矢量的测量值 不同时间的图像（如图3所示）。

公开(公告)号：US20130157915A1

公开(公告)日：2013-06-20

申请号：US13820604

申请日：2011-09-02

Applicant: Takashi Azuma ,  Yoshihisa Imamoto ,  Motohiro Ito ,  Yasushi Shibata

Inventor： Takashi Azuma ,  Yoshihisa Imamoto ,  Motohiro Ito ,  Yasushi Shibata

IPC: C10M141/10

CPC classification number: C10M141/10 ,  C10M169/06 ,  C10M2203/1006 ,  C10M2205/12 ,  C10M2207/10 ,  C10M2215/1026 ,  C10M2219/044 ,  C10M2223/04 ,  C10M2223/049 ,  C10N2210/02 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/12 ,  C10N2240/02 ,  C10N2250/10 ,  F16C19/186 ,  F16C33/6633 ,  F16C2326/02

Abstract: The invention provides a grease composition for huh unit bearing, containing (a) an aromatic diurea thickener, (b) a base oil, (c) a metal salt of oxidized wax, (d) diphenyl hydrogen phosphate, and (e) at least one rust preventive selected from the group consisting of sulfonate rust preventives and carboxylic acid rust preventives. The grease composition of the invention shows excellent anti-fretting properties at low temperature, and at the same time, exhibit excellent rust preventing properties.

Abstract translation: 本发明提供了一种用于单元轴承的润滑脂组合物，其包含（a）芳族二脲增稠剂，（b）基础油，（c）氧化蜡的金属盐，（d）二苯基磷酸氢盐和（e）至少 一种防锈剂选自磺化防锈剂和羧酸防锈剂。 本发明的润滑脂组合物在低温下表现出优异的抗微生物性能，同时表现出优异的防锈性能。

公开(公告)号：US20130148894A1

公开(公告)日：2013-06-13

申请号：US13811964

申请日：2011-07-28

Applicant: Mariko Yamamoto ,  Shin-ichiro Umemura ,  Takashi Azuma ,  Kunio Hashiba

Inventor： Mariko Yamamoto ,  Shin-ichiro Umemura ,  Takashi Azuma ,  Kunio Hashiba

IPC: G06K9/46

CPC classification number: G06K9/46 ,  G01S7/52036 ,  G01S15/8913 ,  G01S15/8922 ,  G01S15/8927 ,  G01S15/895 ,  G06T11/006

Abstract: An objective is to enable calculation of a distribution of a physical property such as a density inside a measurement object, even when the distribution of the physical property value is non-uniform, within a feasible period of time without causing image deterioration due to phenomena such as refraction and multiple-reflections caused by the non-uniformity. To this end, the physical property value that makes an evaluation quantity be an extremum is outputted, where the evaluation quantity is a liner sum or a product of exponential function of: an equation residual quantity that is a residual being a difference between an operator term and an external force term of an equation of motion; a non-uniformity detection equation residual quantity that is a residual of an equation of detecting the non-uniformity of the physical property value from a matching degree of solutions of the equation of motion under two types of boundary conditions; and a conditional equation residual quantity that is a residual of a constraint condition.

Abstract translation: 目的是能够在可行的时间段内，即使在物理特性值的分布不均匀的情况下，能够计算测量对象内的物理性质（例如密度）的分布，而不会由于诸如此类的现象而导致图像劣化 作为由不均匀性引起的折射和多重反射。 为此，输出使评价量为极值的物理属性值，其中评价量为线性和或指数函数的乘积：作为残差的方程剩余量是运算符项之间的差 和运动方程的外力项; 根据两种类型的边界条件下的运动方程的匹配度，检测物理特性值的不均匀性的方程的残差的不均匀性检测方程残差量; 以及作为约束条件的残差的条件方程残差量。

公开(公告)号：US08353836B2

公开(公告)日：2013-01-15

申请号：US11597325

申请日：2004-11-10

Applicant: Takashi Azuma ,  Shin-ichiro Umemura ,  Hideyo Kamada

Inventor： Takashi Azuma ,  Shin-ichiro Umemura ,  Hideyo Kamada

IPC: A61B8/00 ,  G06K9/00

CPC classification number: A61B8/06

Abstract: The present invention provides an ultrasonic diagnostic apparatus realizing improved visibility of a contour shape of signal components in an ultrasonic blood flow spectrum display image. The apparatus includes a gray-level correction unit for correcting intensity of an output result of a Doppler processing unit. The Doppler processing unit calculates a Doppler frequency shift in a reception signal output from a receiver and calculates blood flow velocity of a subject on the basis of the Doppler frequency shift. The gray-level correction unit has: a filtering unit for separating a signal and a noise from each other, which are included in a time-varying waveform of the blood flow velocity of the subject obtained by the Doppler processing unit on the basis of continuity on a space defined by the blood flow velocity and time; and a gray-level corrector for performing a gray level correction using, as a parameter, a boundary value between signal intensity and noise intensity obtained by the filtering unit.

Abstract translation: 本发明提供一种实现超声波血流频谱显示图像中的信号成分的轮廓形状的可视化的超声波诊断装置。 该装置包括用于校正多普勒处理单元的输出结果的强度的灰度级校正单元。 多普勒处理单元计算从接收器输出的接收信号中的多普勒频移，并根据多普勒频移计算被检者的血流速度。 灰度级校正单元具有：滤波单元，用于将信号和噪声彼此分离，所述滤波单元包括在由多普勒处理单元基于连续性获得的对象的血流速度的时变波形中 在由血流速度和时间限定的空间上; 以及灰度级校正器，用于使用由滤波单元获得的信号强度和噪声强度之间的边界值作为参数来执行灰度校正。

公开(公告)号：US20120314985A1

公开(公告)日：2012-12-13

申请号：US13580217

申请日：2011-02-28

Applicant: Osamu Saita ,  Takashi Azuma ,  Masamichi Yamamoto

Inventor： Osamu Saita ,  Takashi Azuma ,  Masamichi Yamamoto

IPC: C10M169/06 ,  F16C33/66 ,  F16C19/14

CPC classification number: F16C33/6633 ,  C10M169/06 ,  C10M2207/1236 ,  C10M2207/1245 ,  C10M2215/1026 ,  C10M2219/044 ,  C10M2219/068 ,  C10M2223/045 ,  C10N2210/01 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/72 ,  C10N2240/02 ,  C10N2250/10 ,  C10N2210/02 ,  C10N2210/06

Abstract: The invention provides a grease composition for a hub unit bearing employing an angular contact ball bearing, containing (a) as a thickener a mixture of diurea compounds represented by formula (I): R1—NHCONH—R2—NHCONH—R1, formula (II): R1—NHCONH—R2—NHCONH—R3, and formula (III): R3—NHCONH—R2—NHCONH—R3 wherein R1 is cyclohexyl group, R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, R3 is a straight-chain or branched alkyl group having 12 to 20 carbon atoms, and (R1/(R1+R3))×100=85 to 95 mol %; (b) a base oil; (c) a molybdenum dialkyldithiocarbamate; and (d) a calcium sulfonate. The grease composition of the invention, when used in the hub unit bearing, shows minimum leakage, excellent anti-flaking properties and satisfactory bearing lubrication life.

Abstract translation: 本发明提供一种用于使用角接触球轴承的轮毂单元轴承的润滑脂组合物，其包含（a）作为增稠剂的由式（I）表示的二脲化合物的混合物：R1-NHCONH-R2-NHCONH-R1，式（II ）：R1-NHCONH-R2-NHCONH-R3和式（III）：R3-NHCONH-R2-NHCONH-R3其中R1是环己基，R2是碳原子数6〜15的二价芳香族烃基，R3是 具有12〜20个碳原子的直链或支链烷基，（R1 /（R1 + R3））×100 = 85〜95摩尔％ （b）基础油; （c）二烷基二硫代氨基甲酸钼; 和（d）磺酸钙。 本发明的润滑脂组合物在轮毂单元轴承中使用时，显示出最小的泄漏，优异的抗剥落性能和令人满意的轴承润滑寿命。