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    • 2. 发明授权
    • Ultrasonic diagnostic apparatus
    • 超声波诊断仪
    • US08591417B2
    • 2013-11-26
    • US10556880
    • 2004-05-19
    • Takao SuzukiHisashi HagiwaraYoshinao TannakaYoshinobu Watanabe
    • Takao SuzukiHisashi HagiwaraYoshinao TannakaYoshinobu Watanabe
    • A61B8/00
    • A61B8/08A61B5/02007A61B5/021A61B5/0456A61B5/489A61B5/7239A61B8/0883A61B8/0891A61B8/14A61B8/463A61B8/485A61B8/488A61B8/543G01S7/52071G01S7/52074G01S7/52087
    • There are provided a transmission unit (102) and a reception unit (103) for transmitting and receiving an ultrasonic wave with respect to a subject, a tissue tracing unit (115) for analyzing a received signal to trace the movement of a tissue of the subject, and a property detection unit (120) for detecting a property concerning the movement of the tissue of the subject. The property detection unit (120) subjects either one of the received signal, a Doppler shift, and the movement of the tissue of the subject to signal processing, detects a property concerning the movement of the tissue of the subject that is in synchronization with a heartbeat, and generates an initializing pulse based on the detected property. The tissue tracing unit (115) is initialized by the initializing pulse. It is possible to obtain a distribution image of an elastic modulus of the tissue of the subject as well as a tomographic image of the subject with a simple operation of only applying a probe to the subject without the necessity for a special connection between the subject and the device.
    • 提供了一种发送单元(102)和用于相对于被摄体发送和接收超声波的接收单元(103),用于分析接收信号的组织跟踪单元(115),以跟踪所述组织的移动 对象和属性检测单元(120),用于检测与被检体的组织移动有关的属性。 属性检测单元(120)使接收到的信号,多普勒频移中的任何一个和对象的组织的移动信号处理,检测与主体的组织的移动相关的属性,该属性与 心跳,并且基于检测到的属性生成初始化脉冲。 组织跟踪单元(115)由初始化脉冲初始化。 可以通过简单的操作来获得被检体的组织的弹性模量的分布图像,而不需要在被检体和被检体之间进行特殊的连接。 装置。
    • 7. 发明申请
    • ULTRASONOGRAPH
    • US20090163811A1
    • 2009-06-25
    • US12293520
    • 2007-03-13
    • Takenori FukumotoHisashi HagiwaraTakao Suzuki
    • Takenori FukumotoHisashi HagiwaraTakao Suzuki
    • A61B8/14
    • A61B8/0858A61B5/02007A61B8/485G01S7/52036G01S7/52042
    • The present invention is to provide an ultrasonograph which can accurately measure an IMT value of a blood vessel by using an ultrasonic wave. The ultrasonograph includes an ultrasonic signal emitting unit (1) for emitting an ultrasonic signal, an ultrasonic echo receiving unit (2) for receiving, as a reflected signal, an ultrasonic echo from inside tissue, and converting the ultrasonic echo into an electronic signal, an amplitude information processing unit (5) for processing amplitude information on the ultrasonic echo, a phase information processing unit (6) for processing phase information of the ultrasonic echo, and a boundary detecting unit (7) for determining a distribution of a boundary between a blood flow region and an intima and a boundary between a media and an adventitia on the basis of at least one processing result output from the amplitude information processing unit and at least one processing result output from the phase information processing unit, and an IMT value calculating unit (9) for computing an IMT value of a blood vessel from position information indicative of the position of the boundary between the blood flow region and the intima and position information indicative of the position of the boundary between the media and the adventitia.
    • 本发明提供一种能够通过超声波精确地测定血管的IMT值的超声波诊断装置。 所述超声波诊断装置包括用于发射超声信号的超声波信号发射单元(1),用于从内部组织接收来自内部组织的超声回波作为反射信号的超声波回波接收单元(2),并将超声波回波转换为电子信号, 用于处理关于超声回波的振幅信息的振幅信息处理单元(5),用于处理超声波回波的相位信息的相位信息处理单元(6),以及用于确定超声回波的边界分布的边界检测单元 基于从振幅信息处理单元输出的至少一个处理结果和从相位信息处理单元输出的至少一个处理结果,媒体和外膜之间的血流区域和内膜以及边界,以及IMT值 计算单元(9),用于根据表示t之间的边界的位置的位置信息计算血管的IMT值 他的血流区域和指示介质与外膜之间边界位置的内膜和位置信息。
    • 8. 发明授权
    • Ultrasonic diagnostic apparatus
    • 超声波诊断仪
    • US07455640B2
    • 2008-11-25
    • US10560375
    • 2004-06-10
    • Takao SuzukiHisashi HagiwaraYoshinao TannakaYoshinobu Watanabe
    • Takao SuzukiHisashi HagiwaraYoshinao TannakaYoshinobu Watanabe
    • A61B8/00
    • A61B8/485A61B5/021A61B5/0456A61B8/08A61B8/14A61B8/463A61B8/466A61B8/5238G01S7/52042G01S7/52074G01S7/52087
    • A tomographic image and a tissue characteristic image that are in conformity with each other in terms of time-phase and positional relationships can be displayed superimposedly, thereby providing an excellent ultrasonic diagnostic apparatus that enables an easy and detailed observation of a relationship between a structure and a characteristic of a subject tissue. During an operation of ultrasonic wave transmission/reception (in a live mode), a control part (100) allows a tomographic image to be renewed continuously, displayed on a monitor (107), and stored in a tomographic image memory (110), while allowing an elastic modulus image as a tissue characteristic image to be renewed per heartbeat, displayed on the monitor, and stored in an elastic-modulus-image memory (111) as a tissue characteristic image memory. During a suspension of ultrasonic wave transmission/reception (in a cine mode), the control part (100) allows the elastic modulus image to be read out from the elastic-modulus-image memory and the tomographic image that is in synchronization with the elastic modulus image to be read out from the tomographic image memory, and allows these images to be displayed on the monitor.
    • 可以叠加地显示在时间相位和位置关系方面彼此一致的断层图像和组织特征图像,从而提供优异的超声波诊断装置,能够容易且详细地观察结构与 主题组织的特征。 在超声波发送/接收操作(在实时模式中),控制部分(100)允许连续更新断层图像,显示在监视器(107)上,并存储在断层图像存储器(110)中, 同时允许弹性模量图像作为组织特征图像在心跳上更新,显示在监视器上,并作为组织特征图像存储器存储在弹性模量图像存储器(111)中。 在超声波发送/接收(电影模式)的中止期间,控制部(100)允许从弹性模量图像存储器读出弹性模量图像,并且与弹性体同步的断层图像 将从断层图像存储器读出的模数图像,并且允许这些图像显示在监视器上。
    • 9. 发明申请
    • Ultrasonograph and Ultrasonograph Control Method
    • 超声检查和超声检查控制方法
    • US20080021318A1
    • 2008-01-24
    • US11572726
    • 2005-07-27
    • Makoto KatoHisashi HagiwaraKazuhiro SunagawaYoshinao Tannaka
    • Makoto KatoHisashi HagiwaraKazuhiro SunagawaYoshinao Tannaka
    • A61B8/00
    • A61B8/08A61B5/02007A61B5/1075A61B8/0858A61B8/0891A61B8/485A61B8/543G01S7/52042G01S15/8906
    • An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section 14 for driving an ultrasonic probe 13 sending out an ultrasonic transmitted wave toward a tissue of an organism; a receiving section 15 for receiving an ultrasonic reflected wave, produced by getting the ultrasonic transmitted wave reflected by the tissue of the organism, through the ultrasonic probe to generate a received signal; a phase detecting section 17 for detecting the phase of the received signal to generate a phase detected signal; a positional displacement calculating section 31a for calculating the magnitudes of positional displacements at multiple measuring points, set on the tissue of the organism, based on the phase detected signal; a thickness variation calculating section 31b for calculating thicknesses or thickness variations, each measured between two arbitrary points set with respect to the measuring points, based on the magnitudes of positional displacements; and a maximum/minimum value calculating section 31c for finding the maximum and minimum thicknesses or thickness variations during a maximum value finding period and a minimum value finding period, which are defined as respective partial periods of one cardiac cycle of the organism. At least one of the greatest thickness difference, strain and elastic property is calculated based on a difference between the maximum and minimum thicknesses or thickness variations.
    • 根据本发明的超声波诊断装置包括:发送部分14,用于驱动向生物体的组织发送超声波发射波的超声波探头13; 接收部15,其通过超声波探头接收由生物体的组织反射的超声波发送波而产生的超声波反射波,生成接收信号; 相位检测部分17,用于检测接收信号的相位以产生相位检测信号; 基于所述相位检测信号计算在所述生物体的组织上设定的多个测量点的位置位移的大小的位置位移计算部31a; 厚度变化计算部分31b,用于基于位移位移的大小来计算在相对于测量点设置的两个任意点之间测量的厚度或厚度变化; 以及最大/最小值计算部分31c,用于在最大值发现周期和最小值发现周期中找到最大和最小厚度或厚度变化,其被定义为生物体的一个心动周期的相应部分周期。 基于最大厚度和最小厚度或厚度变化之间的差异计算最大厚度差,应变和弹性的至少一个。
    • 10. 发明申请
    • Biological signal monitor device
    • 生物信号监测装置
    • US20070032725A1
    • 2007-02-08
    • US10569661
    • 2004-08-30
    • Yoshinobu WatanabeHisashi HagiwaraYoshinao TannakaTakao Suzuki
    • Yoshinobu WatanabeHisashi HagiwaraYoshinao TannakaTakao Suzuki
    • A61B8/00
    • A61B5/02007A61B8/0858A61B8/58G01S7/5206G01S15/8979Y10S128/916
    • There is provided an excellent biological signal monitor device that allows a living tissue moving in accordance with a body motion or a vibration to be observed as if it were standing still. A reverse correction processing unit (114) subjects a B-mode image to reverse correction based on a movement amount of the living tissue detected by a movement amount detection unit (113), and outputs the B-mode image corresponding to the living tissue moving in accordance with a body motion as quasi-still image information. An arithmetic processing unit (115) subjects the quasi-still image information from the reverse correction processing unit (114) to arithmetic processing such as averaging and filter processing, so as to remove a random noise component. As a result, it is possible to display, for example, a contour portion of a blood vessel wall as the living tissue clearly.
    • 提供了一种优良的生物信号监测装置,其允许活体组织根据身体运动或振动进行移动,就像静止状态一样被观察。 反向校正处理单元(114)根据由移动量检测单元(113)检测到的生物体组织的移动量对B模式图像进行反向校正,并输出与活组织移动对应的B模式图像 根据身体运动作为准静止图像信息。 算术处理单元(115)对来自反向校正处理单元(114)的准静止图像信息进行诸如平均和滤波处理之类的算术处理,以便去除随机噪声分量。 结果,可以清楚地显示例如血管壁的轮廓部分作为活体组织。