公开(公告)号：US20100312110A1

公开(公告)日：2010-12-09

申请号：US12160447

申请日：2007-01-10

申请人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato ,  Yoshinao Tan-naka

发明人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato ,  Yoshinao Tan-naka

IPC分类号： A61B8/14

CPC分类号： A61B8/0858 ,  A61B5/02007 ,  A61B5/021 ,  A61B8/13 ,  A61B8/485

摘要： An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section 102 driving an ultrasonic probe; a receiving section 103 receiving an ultrasonic echo, produced by getting an ultrasonic wave reflected by a subject, at the probe to generate a received signal; a tissue tracking section 105 for tracking the motion of each tissue of the subject based on the received signal and outputting location tracking information; a radius and wall thickness calculating section calculating the radius and wall thickness of the blood vessel; a tissue attribute value calculating section 108 calculating radial and circumferential elasticities of the vascular wall of the vessel based on information about the blood pressure of the subject provided externally, the tracking information, and the radius and wall thickness of the vessel; and a display section 107 presenting the radial and circumferential elasticities. While the transmitting section and the receiving section are transmitting or receiving the ultrasonic wave, the tissue attribute value calculating section calculates the radial elasticities one after another based on the tracking information and the information about the blood pressure, and the display section presents the radial elasticities. But while the transmission and reception of the ultrasonic waves are suspended, the tissue attribute value calculating section calculates the circumferential elasticity based on the tracking information, the information about the blood pressure, and the radius and wall thickness of the blood vessel and the display section presents the circumferential elasticities.

摘要翻译： 根据本发明的超声波诊断装置包括：驱动超声波探头的发送部分102; 接收部103，其通过在被检测体上取得被检体反射的超声波而接收超声波回波，生成接收信号; 组织跟踪部分105，用于基于所接收的信号跟踪对象的每个组织的运动并输出位置跟踪信息; 计算血管的半径和壁厚的半径和壁厚计算部; 组织属性值计算部分108，根据关于外部提供的对象的血压，跟踪信息以及血管的半径和壁厚的信息，计算血管壁的血管壁的径向和周向弹性; 以及呈现径向和周向弹性的显示部分107。 当发送部分和接收部分正在发送或接收超声波时，组织属性值计算部分基于跟踪信息和关于血压的信息来一个接一个地计算径向弹性，并且显示部分呈现径向弹性 。 但是，在超声波的发送接收停止的情况下，组织属性值计算部根据跟踪信息，关于血压的信息以及血管的半径和壁厚以及显示部来计算周边弹性 呈现圆周弹性。

公开(公告)号：US20090227867A1

公开(公告)日：2009-09-10

申请号：US12097142

申请日：2006-12-13

申请人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato ,  Yoshinao Tan-naka ,  Hiroshi Kanai ,  Hideyuki Hasegawa

发明人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato ,  Yoshinao Tan-naka ,  Hiroshi Kanai ,  Hideyuki Hasegawa

IPC分类号： A61B8/14

CPC分类号： A61B8/0858 ,  A61B5/02007 ,  A61B5/1075 ,  A61B8/461 ,  A61B8/467 ,  A61B8/485

摘要： An ultrasonic diagnostic apparatus according to the present invention is designed to measure a vascular wall. The apparatus includes: a transmitting section that drives a probe to transmit an ultrasonic wave toward a subject including a blood vessel; a receiving section that receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, at the probe to generate a received signal; a tomographic image processing section for generating an image signal based on the received signal to present the tomographic image of the subject on a display section; a first borderline generating section for determining a first type of borderline based on the tomographic image presented on the display section; and a second borderline generating section for generating at least one borderline of a second type by translating the first type of borderline.

摘要翻译： 根据本发明的超声波诊断装置被设计成测量血管壁。 该装置包括：传送部分，其驱动探针以朝向包括血管的对象发送超声波; 接收部，其接收由所述被检体反射的超声波产生的超声回波，所述超声回波在所述探头处产生接收信号; 断层图像处理部分，用于基于所接收的信号产生图像信号，以在显示部分上呈现被摄体的断层图像; 第一边界线生成部分，用于基于在所述显示部分上呈现的断层图像来确定第一类型的边界线; 以及第二边界线生成部分，用于通过翻译第一类型的边界线来生成第二类型的至少一个边界线。

公开(公告)号：US20090143675A1

公开(公告)日：2009-06-04

申请号：US12067203

申请日：2006-09-14

申请人： Takao Suzuki ,  Makoto Kato ,  Hisashi Hagiwara ,  Yoshinao Tan-Naka

发明人： Takao Suzuki ,  Makoto Kato ,  Hisashi Hagiwara ,  Yoshinao Tan-Naka

IPC分类号： A61B8/04 ,  A61B8/00

CPC分类号： A61B8/0858 ,  A61B5/02007 ,  A61B8/485

摘要： The present invention aims at providing an ultrasonic diagnostic apparatus capable of acquiring more accurate tissue character values such as strain, an average elastic modulus, and an average viscosity.The ultrasonic diagnostic apparatus of the present invention detects tissue boundaries of a subject in accordance with a received signal based on an ultrasonic echo from a receiving section 103, by means of a boundary detection section 110; and tracks motions of the tissue boundaries of the subject by means of a tissue tracking section 108. A tissue character value computing section 109 computes tissue character values of the subject from the motions of the tissue boundaries of the subject tracked by the tissue tracking section 108 and a blood pressure value of the subject acquired from a blood pressure value acquisition section 112.

摘要翻译： 本发明的目的在于提供一种能够获得更精确的组织特征值的超声波诊断装置，例如应变，平均弹性模量和平均粘度。 本发明的超声波诊断装置借助于边界检测部110，根据来自接收部103的超声波回波的接收信号来检测被检体的组织边界; 并且通过组织跟踪部分108跟踪对象的组织边界的运动。组织字符值计算部分109根据由组织跟踪部分108跟踪的对象的组织边界的运动来计算对象的组织字符值 以及从血压值获取部112获取的被检者的血压值。

公开(公告)号：US20090118615A1

公开(公告)日：2009-05-07

申请号：US11995993

申请日：2006-07-20

申请人： Makoto Kato ,  Yoshinao Tan-Naka ,  Hisashi Hagiwara ,  Takao Suzuki

发明人： Makoto Kato ,  Yoshinao Tan-Naka ,  Hisashi Hagiwara ,  Takao Suzuki

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B5/02007 ,  A61B8/0891 ,  A61B8/485

摘要： The present invention aims at providing an ultrasonic diagnostic apparatus capable of displaying a stable spatial distribution of elastic characteristics for each hear beat without depending on the accuracy or stability of measurement of blood pressure and without involvement of measurement of blood pressure.In an ultrasonic diagnostic apparatus of the present invention, an ultrasonic reflected wave transmitted from an ultrasonic probe 13 and reflected by biomedical tissue is input to a computing section 19 by way of a receiving section 15, a delay time control section 16, a phase detection section 17, and a filter section 18. In accordance with the phase detection signal acquired from the phase detection section 17, the computing section 19 computes a relative elastic characteristic which is an elastic characteristic normalized by an elastic characteristic of an arbitrary reference area in the biomedical tissue. A distribution of relative elastic characteristics computed by the computing section is displayed on a display section 21.

摘要翻译： 本发明的目的在于提供一种超声波诊断装置，其能够在不依赖于血压测量的准确性或稳定性的情况下显示每个听觉搏动的弹性特性的稳定空间分布，而不涉及血压测量。 在本发明的超声波诊断装置中，从超声波探头13发送并被生物医学组织反射的超声波反射波通过接收部15，延迟时间控制部16，相位检测 部分17和滤波器部分18.根据从相位检测部分17获取的相位检测信号，计算部分19计算相对弹性特性，该相对弹性特性是由弹性特性标准化的任意参考区域的弹性特性 生物医学组织。 由计算部分计算的相对弹性特性的分布被显示在显示部分21上。

公开(公告)号：US07946987B2

公开(公告)日：2011-05-24

申请号：US11995993

申请日：2006-07-20

申请人： Makoto Kato ,  Yoshinao Tan-naka ,  Hisashi Hagiwara ,  Takao Suzuki

发明人： Makoto Kato ,  Yoshinao Tan-naka ,  Hisashi Hagiwara ,  Takao Suzuki

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B5/02007 ,  A61B8/0891 ,  A61B8/485

摘要： The present invention aims at providing an ultrasonic diagnostic apparatus capable of displaying a stable spatial distribution of elastic characteristics for each heart beat without depending on the measurement of blood pressure and the accuracy or stability of such measurement, where an ultrasonic wave transmitted from an ultrasonic probe 13 and reflected by biomedical tissue is input to a computing section 19 by way of a receiving section 15, a delay time control section 16, phase detection section 17 and filter section 18. In accordance with the phase detection signal acquired from the phase detection section 17, the computing section 19 computes a relative elastic characteristic which is an elastic characteristic normalized by an elastic characteristic of an arbitrary reference area in the biomedical tissue. A distribution of relative elastic characteristics computed by the computing section is displayed on a display section 21.

摘要翻译： 本发明的目的是提供一种超声波诊断装置，其能够显示针对每个心跳的弹性特性的稳定的空间分布，而不依赖于血压的测量以及这种测量的精度或稳定性，其中超声波从超声波探头 通过接收部分15，延迟时间控制部分16，相位检测部分17和滤波器部分18将由生物医学组织反射的信号输入到计算部分19.根据从相位检测部分获取的相位检测信号 如图17所示，计算部19计算作为通过生物医学组织中的任意基准面积的弹性特征标准化的弹性特性的相对弹性特性。 由计算部分计算的相对弹性特性的分布被显示在显示部分21上。

公开(公告)号：US20070213614A1

公开(公告)日：2007-09-13

申请号：US11574140

申请日：2005-08-30

申请人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato

发明人： Takao Suzuki ,  Hisashi Hagiwara ,  Makoto Kato

IPC分类号： A61B8/08

CPC分类号： A61B8/08 ,  A61B5/02007 ,  A61B8/0858 ,  A61B8/463 ,  A61B8/485 ,  G01S7/52026 ,  G01S7/52038 ,  G01S7/52042 ,  G01S7/52071 ,  G01S7/52074 ,  G01S7/52087 ,  G01S15/8954

摘要： An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section for driving an ultrasonic probe that transmits an ultrasonic wave toward a subject's tissue; a receiving section for receiving a reflected wave, produced by getting the ultrasonic wave reflected by the tissue of the organism, through the ultrasonic probe to generate a received signal; a plurality of filters for extracting multiple signal components, belonging to mutually different frequency bands, from the received signal; a plurality of phase detecting sections for detecting the respective phases of the multiple signal components; and a tissue tracking section for tracking the motion of the subject's tissue on the basis of the phases, thereby outputting tracking information.

摘要翻译： 根据本发明的超声波诊断装置包括：发送部分，用于驱动向对象组织发送超声波的超声波探头; 接收部，其通过超声波探头接收由生物体的组织反射的超声波产生的反射波，生成接收信号; 多个滤波器，用于从接收信号中提取属于相互不同的频带的多个信号分量; 多个相位检测部分，用于检测多个信号分量的各个相位; 以及组织跟踪部分，用于基于相位跟踪对象组织的运动，从而输出跟踪信息。

公开(公告)号：US09380994B2

公开(公告)日：2016-07-05

申请号：US11722549

申请日：2005-12-19

申请人： Takao Seki ,  Takao Suzuki ,  Hisashi Hagiwara ,  Yoshinao Tannaka ,  Yoshinobu Watanabe ,  Makoto Kato

发明人： Takao Seki ,  Takao Suzuki ,  Hisashi Hagiwara ,  Yoshinao Tannaka ,  Yoshinobu Watanabe ,  Makoto Kato

IPC分类号： A61B8/00 ,  A61B8/08

CPC分类号： A61B8/08 ,  A61B8/44

摘要： An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section, which drives a probe that transmits an ultrasonic wave toward a subject; a receiving section, which receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, through the probe, thereby generating a received signal; a property value calculating section for calculating property values of the subject based on the received signal over a period of time; a stability estimating section for sequentially estimating the degrees of stability of the property values that have been calculated over the period of time; and a presenting section for presenting the degrees of stability thereon.

摘要翻译： 根据本发明的超声波诊断装置包括：发送部，其将朝向被检体发送超声波的探针驱动; 接收部，其通过由所述探针接收被检体反射的超声波而产生的超声波回波，从而生成接收信号; 属性值计算部分，用于在一段时间内基于所接收的信号来计算被摄体的属性值; 稳定性估计部，用于顺序地估计在该时间段内计算出的属性值的稳定度; 以及呈现部分，用于呈现其上的稳定度。

公开(公告)号：US20080103392A1

公开(公告)日：2008-05-01

申请号：US11722549

申请日：2005-12-19

申请人： Takao Seki ,  Takao Suzuki ,  Hisashi Hagiwara ,  Yoshinao Tannaka ,  Yoshinobu Watanabe ,  Makoto Kato

发明人： Takao Seki ,  Takao Suzuki ,  Hisashi Hagiwara ,  Yoshinao Tannaka ,  Yoshinobu Watanabe ,  Makoto Kato

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B8/44

摘要： An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section, which drives a probe that transmits an ultrasonic wave toward a subject; a receiving section, which receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, through the probe, thereby generating a received signal; a property value calculating section for calculating property values of the subject based on the received signal over a period of time; a stability estimating section for sequentially estimating the degrees of stability of the property values that have been calculated over the period of time; and a presenting section for presenting the degrees of stability thereon.

摘要翻译： 根据本发明的超声波诊断装置包括：发送部，其将朝向被检体发送超声波的探针驱动; 接收部，其通过由所述探针接收被检体反射的超声波而产生的超声波回波，从而生成接收信号; 属性值计算部分，用于在一段时间内基于所接收的信号来计算被摄体的属性值; 稳定性估计部，用于顺序地估计在该时间段内计算出的属性值的稳定度; 以及呈现部分，用于呈现其上的稳定度。

公开(公告)号：US20080021318A1

公开(公告)日：2008-01-24

申请号：US11572726

申请日：2005-07-27

申请人： Makoto Kato ,  Hisashi Hagiwara ,  Kazuhiro Sunagawa ,  Yoshinao Tannaka

发明人： Makoto Kato ,  Hisashi Hagiwara ,  Kazuhiro Sunagawa ,  Yoshinao Tannaka

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B5/02007 ,  A61B5/1075 ,  A61B8/0858 ,  A61B8/0891 ,  A61B8/485 ,  A61B8/543 ,  G01S7/52042 ,  G01S15/8906

摘要： 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.

摘要翻译： 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。

公开(公告)号：US08414491B2

公开(公告)日：2013-04-09

申请号：US11572726

申请日：2005-07-27

申请人： Makoto Kato ,  Hisashi Hagiwara ,  Kazuhiro Sunagawa ,  Yoshinao Tannaka

发明人： Makoto Kato ,  Hisashi Hagiwara ,  Kazuhiro Sunagawa ,  Yoshinao Tannaka

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B5/02007 ,  A61B5/1075 ,  A61B8/0858 ,  A61B8/0891 ,  A61B8/485 ,  A61B8/543 ,  G01S7/52042 ,  G01S15/8906

摘要： An ultrasonic diagnostic apparatus includes: a positional displacement calculating section for calculating the magnitudes of positional displacements at multiple measuring points within a body tissue; a thickness variation calculating section for calculating thicknesses or thickness variations, each measured between two arbitrary points within the tissue set with respect to the measuring points, based on the magnitudes of positional displacements; and a maximum/minimum value calculating section for finding the maximum and minimum thicknesses or thickness variations during a maximum value finding period and a minimum value finding period. 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.

摘要翻译： 一种超声波诊断装置，具备：位置运算部，计算身体组织内的多个测定点的位置位移的大小; 厚度变化计算部分，用于基于位置位移的大小计算厚度或厚度变化，每个厚度或厚度变化在组织组中的两个任意点之间相对于测量点测量; 以及最大/最小值计算部分，用于在最大值发现周期和最小值发现周期期间找到最大和最小厚度或厚度变化。 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。