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    • 1. 发明申请
    • ULTRASOUND DIAGNOSTIC APPARATUS AND ULTRASOUND IMAGE PRODUCING METHOD
    • 超声诊断装置和超声波图像生成方法
    • US20120203109A1
    • 2012-08-09
    • US13361449
    • 2012-01-30
    • Tsuyoshi TANABEKimito KATSUYAMA
    • Tsuyoshi TANABEKimito KATSUYAMA
    • A61B8/14
    • A61B8/463A61B8/14
    • An ultrasound diagnostic apparatus includes: a controller for controlling a transmission circuit and a reception circuit to obtain reception data for measuring a sound speed and to obtain first reception data for producing a B mode image; a sound speed map producer for producing a sound speed map for the inside of the region of interest based on the reception data for measuring a sound speed; and an image producer for producing a B mode image based on the first reception data for producing a B mode image and second reception data for producing a B mode image, the second reception data for producing a B mode image being reception data for measuring a sound speed obtained by transmitting and receiving ultrasonic beams with forming transmission focuses at points having a depth closest to the given depth on sound rays passing inside the region of interest.
    • 超声波诊断装置包括:控制发送电路的控制器和接收电路,以获得用于测量声速的接收数据,并获得用于产生B模式图像的第一接收数据; 用于基于用于测量声速的接收数据产生用于感兴趣区域内部的声速图的声速图生成器; 以及用于产生B模式图像的图像生成器,用于产生B模式图像的第一接收数据和用于产生B模式图像的第二接收数据,用于产生B模式图像的第二接收数据是用于测量声音的接收数据 在通过感兴趣区域内的声线上具有最接近于给定深度的深度的点处,通过在成形传播中发送和接收超声波束而获得的速度。
    • 2. 发明申请
    • ULTRASOUND IMAGE PRODUCING METHOD AND ULTRASOUND IMAGE DIAGNOSTIC APPARATUS
    • 超声图像生成方法和超声图像诊断装置
    • US20120310093A1
    • 2012-12-06
    • US13484306
    • 2012-05-31
    • Tsuyoshi TANABEKimito KATSUYAMA
    • Tsuyoshi TANABEKimito KATSUYAMA
    • A61B8/14
    • G01S7/52049A61B8/463A61B8/469A61B8/54G01S7/52074
    • Provided are an ultrasound image producing method and an ultrasound image diagnostic apparatus that can quickly decide the presence or the absence of influence of refraction, can shorten the time taken for measurement or calculation, can perform measurement or calculation with a small error, and can calculate accurate local sound velocity values. A lattice is set in a region-of-interest, environmental sound velocity values of two or more lattice points located at different positions in a scanning direction of ultrasonic waves are measured as preliminary sound velocity measurement, and main sound velocity measurement that calculates local sound velocity values in lattice points is performed when the difference between a maximum value and a minimum value of the measured environmental sound velocity values is equal to or lower than a predetermined threshold.
    • 本发明提供能够快速地判定有无折射影响的超声波图像生成方法和超声波图像诊断装置,能够缩短测定或计算所需的时间,能够以小的误差进行测定或计算,能够计算出 准确的本地声速值。 将格子设置在感兴趣区域中,测量位于超声波的扫描方向上的不同位置的两个以上格子点的环境声速值作为初步声速测量,并且计算局部声音的主声速测量 当测量的环境声速值的最大值和最小值之间的差等于或低于预定阈值时,执行格点中的速度值。
    • 5. 发明申请
    • ULTRASOUND DIAGNOSIS METHOD AND APPARATUS
    • 超声诊断方法和装置
    • US20090099455A1
    • 2009-04-16
    • US12248394
    • 2008-10-09
    • Kimito KATSUYAMA
    • Kimito KATSUYAMA
    • A61B8/14
    • G01S15/8977A61B8/00G01S15/8993
    • An ultrasound diagnosis apparatus includes an ultrasound probe having a plurality of elements arranged therein, the ultrasound probe transmitting ultrasound toward a subject, receiving an ultrasound signal reflected off the subject, and outputting a received signal; a device that changes a preset assumed sound speed with respect to an actual sound speed of the ultrasound transmitted toward the subject; and a frame position calculation device that determines similarity of each portion between each frame by using speckles in RF data or amplitude images based on two or more of the different assumed sound speeds and calculates frame positions, thereby determining similarity in a stable, uniform, accurate manner without lowering a frame rate.
    • 一种超声波诊断装置,具备:超声波探头,其配置有多个元件,所述超声波探头向对象发送超声波,接收从所述被检体反射的超声波信号,并输出接收信号; 相对于朝向被摄体发送的超声的实际声速来改变预设的假设声速的装置; 以及帧位置计算装置,其基于两个以上的不同的假定声速,通过使用RF数据或振幅图像中的散斑来确定各帧之间的各部分的相似度,并计算帧位置,从而确定稳定,均匀,准确的相似度 方式而不降低帧速率。
    • 6. 发明申请
    • ULTRASONIC DIAGNOSTIC APPARATUS
    • 超声诊断设备
    • US20080168839A1
    • 2008-07-17
    • US11969484
    • 2008-01-04
    • Kimito KATSUYAMA
    • Kimito KATSUYAMA
    • G01N29/44
    • G01S7/52036
    • An ultrasonic diagnostic apparatus capable of detecting a boundary between structures within the object with high accuracy and performing imaging processing based thereon. The ultrasonic diagnostic apparatus includes: a transmission and reception unit for converting reception signals outputted from ultrasonic transducers into digital signals; a phase matching unit for performing reception focus processing on the digital signals to generate sound ray signals; a signal processing unit for performing envelope detection processing on the sound ray signals to generate envelope signals; an image data generating unit for generating image data based on the envelope signals; a direction determining unit for determining a direction of a boundary between structures within the object based on the sound ray signals; and an image processing unit for performing image processing on the envelope signals or the image data according to a determination result obtained by the direction determining unit.
    • 一种超声波诊断装置,其能够高精度地检测被检体内的结构的边界,并且基于此进行成像处理。 超声波诊断装置包括:发送和接收单元,用于将从超声换能器输出的接收信号转换为数字信号; 相位匹配单元,用于对数字信号进行接收聚焦处理以产生声线信号; 信号处理单元,用于对声线信号执行包络检测处理以产生包络信号; 图像数据生成单元,用于基于包络信号生成图像数据; 方向确定单元,用于基于所述声线信号确定所述对象内的结构之间的边界的方向; 以及图像处理单元,用于根据由方向确定单元获得的确定结果对包络信号或图像数据进行图像处理。
    • 9. 发明申请
    • ULTRASONIC DIAGNOSIS METHOD AND APPARATUS
    • 超声诊断方法和装置
    • US20090093721A1
    • 2009-04-09
    • US12244685
    • 2008-10-02
    • Kimito KATSUYAMA
    • Kimito KATSUYAMA
    • A61B8/00
    • A61B8/00A61B8/585G01S7/52036G01S7/52049G01S7/5205G10K11/346
    • The object is to determine an optimum sonic speed without requiring memory, circuits and processing time therefor. The object is achieved by providing an ultrasonic diagnosis apparatus having an ultrasonic probe in which a plurality of elements for transmitting an ultrasonic wave to a subject and, by receiving an ultrasonic signal reflected from the subject, outputting the received signal are arrayed; a device which changes an assumed sonic speed set in advance relative to the actual sonic speed of the ultrasonic wave to be transmitted to the subject; and an optimum sonic speed judgment device which judges a micro-structure by an RF signal obtained from the received signal by changing the assumed sonic speed and performing focusing with a delay based on the assumed sonic speed, and judges an optimum sonic speed, which is the ultrasonic speed of the subject, from phase information about the RF signal judged to be the micro-structure.
    • 目的是确定最佳声速,而不需要存储器,电路和处理时间。 该目的通过提供一种具有超声波探头的超声波诊断装置来实现,其中将多个用于向对象发送超声波的元件和通过接收从被摄体反射的超声波信号输出接收信号进行排列; 改变预先设定的假想声速相对于被发送到被摄体的超声波的实际声速的装置; 以及最佳声速判定装置,通过改变所述假设的声速并根据所述假设的声速以延迟进行聚焦来判断由所述接收信号获得的RF信号的微结构,并判断最佳的声速, 从相关信息的被摄物体的超声速度判定为微结构。