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1. 发明授权

US11564659B2 Ultrasonic diagnostic and image processing apparatus for tissue harmonic imaging by extracting nonlinear components from three signals via addition after phase rotation 有权
公开(公告)号：US11564659B2
公开(公告)日：2023-01-31
申请号：US14966575
申请日：2015-12-11
申请人： Toshiba Medical Systems Corporation
发明人： Hiroki Yoshiara , Tetsuya Kawagishi , Tomohisa Imamura , Yasunori Honjo , Akihiro Kakee , Yuko Takada
IPC分类号： A61B8/08 , G01S7/52 , G01S15/89 , A61B8/00 , A61B8/14
摘要： An ultrasonic diagnostic apparatus according to an embodiment includes transmission circuitry, receiving circuitry and extracting circuitry. The transmission circuitry cause an ultrasonic probe to perform three or more times of ultrasonic wave transmissions, an ultrasonic wave to be transmitted including a center frequency component, a phase of the center frequency component being different in each transmission. The receiving circuitry generates three or more reception signals corresponding to a common reception scanning line based on a plurality of reflected wave signals, the plurality of reflected wave signals being obtained through the three or more times of ultrasonic wave transmissions. The extracting circuitry extracts a nonlinear component included in the three or more reception signals by adding up the three or more reception signals after performing a processing including phase rotation processing on two or more reception signals among the three or more reception signals.

2. 发明申请

US20150257739A1 ULTRASOUND DIAGNOSTIC APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD 审中-公开
标题翻译：超声波诊断装置，图像处理装置和图像处理方法
公开(公告)号：US20150257739A1
公开(公告)日：2015-09-17
申请号：US14725788
申请日：2015-05-29
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Cong YAO , Tetsuya Kawagishi , Yoshitaka Mine , Hiroki Yoshiara , Shintaro Niwa
IPC分类号： A61B8/08 , A61B8/00
CPC分类号： A61B8/481 , A61B8/06 , A61B8/085 , A61B8/0891 , A61B8/461 , A61B8/463 , A61B8/488 , A61B8/5207 , A61B8/5223 , A61B8/54
摘要： An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry and controlling circuitry. The processing circuitry is configured to generate brightness transition information indicating a temporal transition of a brightness level in an analysis region that is set in an ultrasound scan region, from time-series data acquired by performing an ultrasound scan on a subject to whom a contrast agent has been administered and to obtain a parameter by normalizing reflux dynamics of the contrast agent in the analysis region with respect to time, based on the brightness transition information. The controlling circuitry is configured to cause a display to display the parameter in a format using one or both of an image and text.
摘要翻译：根据实施例的超声诊断装置包括处理电路和控制电路。所述处理电路被配置为产生亮度转换信息，所述亮度转换信息指示在超声扫描区域中设置的分析区域中的亮度级别的时间转变，所述时间序列数据是通过对对象进行超声扫描而获得的时间序列数据并且通过基于亮度转换信息，在分析区域中相对于时间归一化造影剂的回流动力学来获得参数。控制电路被配置为使显示器以使用图像和文本中的一个或两个的格式显示参数。

3. 发明申请

US20150209006A1 ULTRASOUND DIAGNOSIS APPARATUS 有权
标题翻译：超声诊断装置
公开(公告)号：US20150209006A1
公开(公告)日：2015-07-30
申请号：US14167170
申请日：2014-01-29
申请人： Toshiba Medical Systems Corporation , Kabushiki Kaisha Toshiba
发明人： Tetsuya Kawagishi , Akihiro Kakee , Kuramitsu Nishihara , Hiroki Yoshiara , Atsushi Sumi , Yasuyuki Masakari
IPC分类号： A61B8/14 , A61B8/08 , A61B8/00
CPC分类号： A61B8/5207 , A61B8/4245 , A61B8/4416 , A61B8/463 , A61B8/54
摘要： An ultrasound diagnosis apparatus includes a transmission and reception unit, an addition unit, an image generation unit, and a control unit. The transmission and reception unit performs a set of ultrasound transmission and reception in a first mode or a plurality of sets of ultrasound transmission and reception in a second mode along the same scan line. Each set of ultrasound transmission and reception is constituted of repeated ultrasound transmission and reception sequentially performed in reversed phase polarity along the same scan line. The addition unit adds reflected wave data in the second mode. The image generation unit generates an image by using reflected wave data in the first mode or in the second mode. The control unit switches the first mode and the second mode. The transmission and reception unit performs a set or a plurality of sets of ultrasound transmission and reception according to a switching operation.
摘要翻译：超声波诊断装置包括发送接收部，加法部，图像生成部以及控制部。发送和接收单元沿着相同的扫描线在第一模式或多组超声波发送和接收中以第二模式执行一组超声波发送和接收。每组超声波发射和接收由沿相同扫描线以相反极性顺序执行的重复超声波发射和接收构成。加法单元在第二模式中加入反射波数据。图像生成单元通过使用第一模式或第二模式中的反射波数据来生成图像。控制单元切换第一模式和第二模式。发送和接收单元根据切换操作执行一组或多组超声波发送和接收。

4. 发明授权

US10083372B2 Ultrasound diagnosis apparatus, image processing apparatus and image processing method 有权
公开(公告)号：US10083372B2
公开(公告)日：2018-09-25
申请号：US15336235
申请日：2016-10-27
申请人： Toshiba Medical Systems Corporation
发明人： Guang Li , Hiroki Yoshiara , Lingying Chen , Zhe Tang
IPC分类号： G06K9/00 , G06K9/62 , A61B8/08 , G06T7/20 , G06T7/254 , A61B8/00 , G01S15/89 , G06K9/32
CPC分类号： G06K9/6215 , A61B8/469 , A61B8/5223 , A61B8/5246 , A61B8/5253 , A61B8/5276 , G01S7/52039 , G01S15/8977 , G01S15/8995 , G06K9/00744 , G06K2009/3291 , G06K2209/05 , G06T7/20 , G06T7/254 , G06T2207/10132 , G06T2207/20104 , G06T2207/30096
摘要： An ultrasound diagnosis apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a plurality of frames representing ultrasound images starting with an initial frame in time series. The processing circuitry compares a current frame and a previous frame to the current frame for determining the similarity therebetween, and generates a reference frame based on weighting processing on the initial frame and the previous frame using results of the comparison. The processing circuitry implements tracking processing between the reference frame and the current frame.

5. 发明授权

US10039525B2 Ultrasound diagnostic apparatus and image processing method 有权
公开(公告)号：US10039525B2
公开(公告)日：2018-08-07
申请号：US14713720
申请日：2015-05-15
申请人： Toshiba Medical Systems Corporation
发明人： Hiroki Yoshiara , Yuko Kanayama , Yoshitaka Mine , Cong Yao , Go Tanaka
IPC分类号： A61B8/08 , A61B8/06 , A61B8/00 , A61B17/34 , A61B34/20 , A61B90/00 , A61B18/14 , A61B18/00
摘要： An ultrasound diagnostic apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain the position of the boundary of a region of interest that is set in first ultrasound image data of a subject. The processing circuitry is configured to generate second ultrasound image data by assigning a pixel value to each of pixels of which a change of the brightness value between before and after a contrast enhancement is equal to or larger than a threshold value with regard to pre-contrast-enhanced image data and post-contrast-enhanced image data of the subject both of which were acquired after a treatment using a puncture needle has been performed, the assigned pixel value corresponding to the distance between the pixel and the boundary of the region of interest. The processing circuitry is configured to cause a display unit to display the second ultrasound image data.

6. 发明申请

US20160066888A1 ULTRASONIC DIAGNOSTIC APPARATUS AND IMAGE PROCESSING APPARATUS 审中-公开
标题翻译：超声波诊断设备和图像处理设备
公开(公告)号：US20160066888A1
公开(公告)日：2016-03-10
申请号：US14850807
申请日：2015-09-10
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Cong YAO , Tetsuya Kawagishi , Yoshitaka Mine , Naoki Yoneyama , Hiroki Yoshiara
IPC分类号： A61B8/08
CPC分类号： A61B8/481 , A61B8/06 , A61B8/463 , A61B8/5223 , A61B8/5246 , G01S7/52038
摘要： An ultrasonic diagnostic apparatus according to an embodiment includes a candidate-position extracting circuitry and a position setting circuitry. The candidate-position extracting circuitry extracts a first position through comparison of a fundamental wave component between a plurality pieces of image data collected by performing ultrasonic scanning on a subject injected with a contrast agent. The candidate-position extracting circuitry also extracts a second position through comparison of a harmonic component between the pieces of image data. The position setting circuitry sets the first position or the second position as a position of a region of interest where predetermined analysis is performed in at least one image data of the pieces of image data.
摘要翻译：根据实施例的超声波诊断装置包括候选位置提取电路和位置设定电路。候选位置提取电路通过对通过对造影剂注射的对象进行超声波扫描而收集的多条图像数据之间的基波分量进行比较来提取第一位置。候选位置提取电路还通过比较图像数据之间的谐波分量来提取第二位置。位置设置电路将第一位置或第二位置设置为在多条图像数据的至少一个图像数据中执行预定分析的感兴趣区域的位置。

7. 发明申请

US20150141828A1 ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD 审中-公开
标题翻译：超声诊断装置及超声诊断方法
公开(公告)号：US20150141828A1
公开(公告)日：2015-05-21
申请号：US14518440
申请日：2014-10-20
申请人： Kabushiki Kaisha Toshiba , Toshiba Medical Systems Corporation
发明人： Hiroki Yoshiara , Akihiro Kakee , Cong Yao , Tetsuya Kawagishi , Hiroyuki Ohuchi , Yasunori Honjo , Masahiko Yano , Yoshitaka Mine
IPC分类号： A61B8/14 , A61B8/08 , A61B8/00
CPC分类号： A61B8/481 , A61B8/4444 , A61B8/466 , A61B8/467 , A61B8/483 , A61B8/488 , A61B8/5207 , A61B8/5246 , A61B8/5253 , A61B8/54
摘要： According to one embodiment, an ultrasonic diagnostic apparatus includes a transceiver part, a signal processing part and an image generation part. The transceiver part controls an ultrasonic probe to perform a first and second scans. The first scan transmits a first ultrasonic wave and an ultrasonic wave, obtained by modulating an amplitude of the first ultrasonic wave, to scanning lines distributed three dimensionally, and receives first reflected waves. The second scan transmits a second ultrasonic wave to scanning lines distributed two dimensionally during the first scan, and receives second reflective waves. The transceiver part obtains first and second reception signals based on the first and second reflected waves. The signal processing part generates composite signals by combining the first reception signals. The image generation part generates three dimensional ultrasonic image data based on the composite signals, and two dimensional ultrasonic image data based on the second reception signals.
摘要翻译：根据一个实施例，超声波诊断装置包括收发器部分，信号处理部分和图像生成部分。收发器部分控制超声波探头以执行第一和第二扫描。第一扫描将通过调制第一超声波的振幅获得的第一超声波和超声波发送到三维分布的扫描线，并接收第一反射波。第二扫描将第二超声波发送到在第一扫描期间二维分布的扫描线，并接收第二反射波。收发器部分基于第一和第二反射波获得第一和第二接收信号。信号处理部通过组合第一接收信号来生成复合信号。图像生成部基于复合信号生成三维超声波图像数据，并且基于第二接收信号生成二维超声波图像数据。

8. 发明授权

US11786220B2 Ultrasound diagnostic apparatus 有权
公开(公告)号：US11786220B2
公开(公告)日：2023-10-17
申请号：US15244384
申请日：2016-08-23
申请人： Toshiba Medical Systems Corporation
发明人： Ryota Osumi , Tomohisa Imamura , Kuramitsu Nishihara , Hiroki Yoshiara , Hiroaki Ishikawa , Yuko Takada
IPC分类号： A61B8/08 , A61B8/06 , A61B8/00 , G01S7/52 , G01S15/89
CPC分类号： A61B8/5246 , A61B8/06 , A61B8/4416 , G01S7/52085 , A61B8/463 , A61B8/485 , A61B8/488 , A61B8/5207 , A61B8/5223 , G01S7/52042 , G01S15/8979
摘要： An ultrasound diagnostic apparatus according to an embodiment includes image processing circuitry. The image processing circuitry acquires, based on a result of ultrasound scanning performed on a subject, blood flow information including a value that indicates a blood flow at each position within the subject and tissue property information including a value that indicates tissue properties at each position within the subject. The image processing circuitry generates a first image in which a difference in value in the blood flow information is represented by at least a difference in hue and a second image in which a difference in value in the tissue property information is represented by a difference other than the difference in hue. The image processing circuitry generates a combined image by combining the first image and the second image.

9. 发明申请

US20170055956A1 ULTRASOUND DIAGNOSTIC APPARATUS 审中-公开
标题翻译：超声诊断装置
公开(公告)号：US20170055956A1
公开(公告)日：2017-03-02
申请号：US15244384
申请日：2016-08-23
申请人： Toshiba Medical Systems Corporation
发明人： Ryota OSUMI , Tomohisa Imamura , Kuramitsu Nishihara , Hiroki Yoshiara , Hiroaki Ishikawa , Yuko Takada
IPC分类号： A61B8/08 , A61B8/06 , A61B8/14 , A61B8/00
CPC分类号： A61B8/5246 , A61B8/06 , A61B8/4416 , A61B8/463 , A61B8/5207 , A61B8/5223
摘要： An ultrasound diagnostic apparatus according to an embodiment includes image processing circuitry. The image processing circuitry acquires, based on a result of ultrasound scanning performed on a subject, blood flow information including a value that indicates a blood flow at each position within the subject and tissue property information including a value that indicates tissue properties at each position within the subject. The image processing circuitry generates a first image in which a difference in value in the blood flow information is represented by at least a difference in hue and a second image in which a difference in value in the tissue property information is represented by a difference other than the difference in hue. The image processing circuitry generates a combined image by combining the first image and the second image.
摘要翻译：根据实施例的超声波诊断装置包括图像处理电路。图像处理电路基于对被检体进行的超声波扫描的结果，获取包含指示被检体内的各位置的血流量的值的血流信息，以及包含表示各个位置内的组织特性的值的组织属性信息主题。图像处理电路产生第一图像，其中血流信息中的值之差至少由色调差表示，而第二图像中组织属性信息中的值之差由除了色相的差异。图像处理电路通过组合第一图像和第二图像来生成组合图像。

10. 发明授权

US10575826B2 Ultrasound diagnostic apparatus and ultrasound imaging method 有权
公开(公告)号：US10575826B2
公开(公告)日：2020-03-03
申请号：US14558015
申请日：2014-12-02
申请人： Toshiba Medical Systems Corporation
发明人： Hiroki Yoshiara , Kuramitsu Nishihara , Akihiro Kakee , Tetsuya Kawagishi , Makoto Hirama
IPC分类号： A61B8/08 , G01S7/52 , G01S15/89 , A61B8/14
摘要： An ultrasound diagnostic apparatus according to an embodiment includes a transmitter/receiver, an adder/subtractor and an image generating unit. The transmitter/receiver performs a first set of ultrasound transmission/reception and a second set of ultrasound transmission/reception, on a same scanning line of an imaging region of a subject administered with a contrast agent, for a plurality of sets, to output reflected wave data for the plurality of the sets, the first set of the ultrasound transmission/reception performing amplitude-modulated or amplitude- and phase-modulated ultrasound transmission transmitted a plurality of times and receiving reflected waves, and the second set of the ultrasound transmission/reception being transmission/reception whose phase modulation being different from phase modulation of the first set of the ultrasound transmission/reception. The adder/subtractor adds or subtracts the reflected wave data for the plurality of the sets. The image generating unit generates contrast image data based on the data output from the adder/subtractor.

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