公开(公告)号：US20160278743A1

公开(公告)日：2016-09-29

申请号：US15180569

申请日：2016-06-13

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/14

CPC classification number: A61B8/5207 ,  A61B8/085 ,  A61B8/14 ,  A61B8/4444 ,  A61B8/461 ,  A61B8/467 ,  A61B8/5223 ,  G01S7/52033 ,  G01S7/52036 ,  G01S7/52071 ,  G06K9/6267 ,  G06K2209/053 ,  G06T7/0012 ,  G06T2207/10132 ,  G06T2207/20081 ,  G06T2207/30096 ,  G16H10/40 ,  G16H30/20 ,  G16H30/40 ,  G16H50/70

Abstract: A medical diagnostic apparatus includes: a feature calculating unit configured to calculate a plurality of kinds of features that is based on luminance information or frequency spectrum information obtained from a received signal from a specimen, and that relates to attributes of a tissue of the specimen; a classification unit configured to: classify the attributes of the tissue of the specimen by using a feature determined among the plurality of kinds of features calculated by the feature calculating unit according to a classification item selected in advance from a plurality of classification items assigned for each classification purpose; and assign visual information according to a classification result to pixels of an image based on the received signal; and a feature image data generating unit configured to generate feature image data on which the visual information assigned to the pixels of the image based on the received signal is superimposed.

Abstract translation: 医疗诊断装置包括：特征计算单元，被配置为基于从来自标本的接收信号获得的亮度信息或频谱信息来计算多种特征，并且涉及所述样本的组织的属性; 分类单元，被配置为：通过使用由特征计算单元计算的多种特征中确定的特征，根据从分配给每个的多个分类项中预先选择的分类项目来分类样本的组织的属性 分类目的 并根据分类结果将视觉信息分配给基于接收信号的图像的像素; 以及特征图像数据生成单元，被配置为生成基于所述接收信号叠加了分配给所述图像的像素的视觉信息的特征图像数据。

公开(公告)号：US20180279999A1

公开(公告)日：2018-10-04

申请号：US16001038

申请日：2018-06-06

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/12

Abstract: An ultrasound diagnosis device includes a controller. The controller is configured to: calculate a feature related to an ultrasound signal, based on the ultrasound signal received from an observation target; estimate a physical quantity of scattering bodies included in the observation target, by using: a relation derived based on a known physical quantity of an object and a feature obtained from the object, the object including scattering bodies having the known physical quantity; and the calculated feature of the observation target; and generate information to be displayed on a display, the information including a result of the estimation.

公开(公告)号：US20210161505A1

公开(公告)日：2021-06-03

申请号：US17171377

申请日：2021-02-09

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  A61B8/00 ,  G01S15/89

Abstract: An ultrasound imaging apparatus includes a processor including hardware. The processor is configured to: generating first frequency spectrum data and second frequency spectrum data with regard to a first ultrasound signal and a second ultrasound signal, respectively; generating first ultrasound image data based on the first ultrasound signal; generating second ultrasound image data based on the second ultrasound signal; estimating a displacement amount including at least one of a positional change amount and a rotation angle of a subject depicted in the first ultrasound image data with respect to the subject depicted in the second ultrasound image data; correcting the first frequency spectrum data in accordance with the estimated displacement amount; calculating differential feature data by using the corrected first frequency spectrum data and the second frequency spectrum data; and generating analysis image data to which color information corresponding to the differential feature data is applied.

公开(公告)号：US20180064423A1

公开(公告)日：2018-03-08

申请号：US15810626

申请日：2017-11-13

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/12

CPC classification number: A61B8/5269 ,  A61B8/12 ,  A61B8/445 ,  A61B8/4494 ,  A61B8/461 ,  A61B8/5207 ,  A61B8/5292 ,  A61B8/54 ,  A61B8/585 ,  G01S7/52033 ,  G01S7/52036 ,  G01S7/52071 ,  G01S7/52074 ,  G01S15/892 ,  G01S15/8977

Abstract: An ultrasound diagnostic apparatus generates an ultrasound image based on an ultrasound signal acquired by an ultrasound probe having an ultrasound transducer. The ultrasound transducer transmits an ultrasound wave to an observation target and receives the ultrasound wave reflected from the observation target. The apparatus includes: an analysis unit configured to generate analysis data based on the ultrasound signal received from the observation target; and a correction unit configured to correct the analysis data using correction data based on first reference data and second reference data, the first reference data being obtained from an ultrasound signal received from a reference reflector by using the ultrasound transducer or another ultrasound transducer of a same type as that of the ultrasound transducer, the second reference data being obtained from the ultrasound signal received from the reference reflector by using still another ultrasound transducer of different type from that of the ultrasound transducer.

公开(公告)号：US20160192909A1

公开(公告)日：2016-07-07

申请号：US15067434

申请日：2016-03-11

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA ,  Shoichi MATSUI ,  Hiroshi KODAMA ,  Kenichi NISHINA ,  Hironaka MIYAKI ,  Hirotaka EDA

IPC: A61B8/00 ,  A61B8/08 ,  A61B18/14 ,  A61B8/14

CPC classification number: A61B8/54 ,  A61B1/018 ,  A61B8/12 ,  A61B8/14 ,  A61B8/4488 ,  A61B8/488 ,  A61B8/5207 ,  A61B8/523 ,  A61B18/1477 ,  A61B18/1492 ,  A61B2018/00333 ,  A61B2018/00595 ,  A61B2090/3784

Abstract: An ultrasound diagnostic apparatus includes: a beam former that drives an ultrasound transducer including two-dimensionally arranged vibration elements and that acquires ultrasound data of a three-dimensional space; a delay calculating circuit sets scan conditions including a drive delay amount of the beam former; a graphic circuit that generates an ultrasound slice image of a predetermined cut surface from the ultrasound data of the three-dimensional space; and a CPU that determines a focal length or a focal depth of the ultrasound according to a distance from the ultrasound transducer to the desirably set cut surface to set an amount of delay to cause the delay calculating circuit to change the scan conditions.

Abstract translation: 超声波诊断装置包括：射束形成器，其驱​​动包括二维排列的振动元件的超声波换能器，并且获取三维空间的超声波数据; 延迟计算电路设置包括波束形成器的驱动延迟量的扫描条件; 图形电路，其从三维空间的超声波数据生成预定切割面的超声切片图像; 以及CPU，其根据从超声波换能器到期望设定的切割面的距离来确定超声波的焦距或焦点深度，以设定使延迟计算电路改变扫描条件的延迟量。

公开(公告)号：US20230181164A1

公开(公告)日：2023-06-15

申请号：US18107117

申请日：2023-02-08

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08

CPC classification number: A61B8/5207

Abstract: An ultrasound observation system includes a processor includes hardware. The processor is configured to: receive an echo signal based on ultrasound scanning of a scan region of a subject; set first regions in the scan region, each one of the first regions including second regions; calculate frequency spectra in the respective second regions based on an analysis of the echo signal; calculate a plurality of pieces of feature data based on the frequency spectra; calculate a statistical value of the plurality of pieces of feature data in the first regions; set filters for the respective first regions based on the statistical value; perform a filtering process with the filters on the echo signal to calculate a second echo signal; and generate ultrasound image data based on an amplitude of the second echo signal, frequency curves of the filters differing from each other depending on the statistical value.

公开(公告)号：US20220409168A1

公开(公告)日：2022-12-29

申请号：US17898818

申请日：2022-08-30

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA ,  Shigenori KOZAI ,  Hiromasa NOGUCHI

IPC: A61B8/08 ,  A61B8/00

Abstract: An ultrasound diagnostic apparatus includes a drive circuit configured to transmit a drive signal to an ultrasound transducer, a receiving circuit configured to receive an echo signal from the ultrasound transducer, and a processor. The processor obtains, based on the echo signal or a user input, target information containing at least one of a distance from the ultrasound transducer to a target region containing liquid or a size of the target region, and sets, based on the target information, a drive condition under which an acoustic streaming generating ultrasound transmitted by the ultrasound transducer generates acoustic streaming in the liquid in the target region.

公开(公告)号：US20200029939A1

公开(公告)日：2020-01-30

申请号：US16590927

申请日：2019-10-02

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08

Abstract: An ultrasound observation apparatus is configured to be able to exchange plural models of ultrasound probes and configured to receive an ultrasound signal from an ultrasound probe connected to the ultrasound observation apparatus. The ultrasound observation apparatus includes: a corrector configured to correct ultrasound data based on the ultrasound signal using first reference data and second reference data, the first reference data being determined by different models of the ultrasound probes to be connected to the ultrasound observation apparatus, the second reference data being determined by individual probes of the same models of the ultrasound probes to be connected to the ultrasound observation apparatus. The corrector is configured to correct the ultrasound signal by performing a calculation on the ultrasound signal using each of the first reference data and the second reference data for each frequency or each distance.

公开(公告)号：US20180303464A1

公开(公告)日：2018-10-25

申请号：US16025517

申请日：2018-07-02

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  G01S15/89 ,  G01S7/52 ,  A61B8/12 ,  A61B8/00 ,  A61B8/14

CPC classification number: A61B8/5269 ,  A61B8/12 ,  A61B8/14 ,  A61B8/461 ,  A61B8/5207 ,  G01S7/52036 ,  G01S7/52074 ,  G01S15/8977

Abstract: An ultrasound diagnosis apparatus is configured to generate an ultrasound image based on an ultrasound signal obtained by an ultrasound probe having an ultrasound transducer that transmits ultrasound to a subject and receives the ultrasound reflected from the subject. The apparatus includes: an analysis unit that analyzes a frequency of the ultrasound signal to calculate a frequency spectrum of the ultrasound signal for each reception depth; a calculation unit that calculates, in a predetermined order, a distance change rate and a frequency change rate in the frequency spectrum or in a function defined by using the frequency spectrum, to calculate a second-order change rate of the frequency spectrum or of the function; and an estimation unit that estimates an attenuation rate of the ultrasound signal, per unit distance and per unit frequency, in a predetermined region within a scanning region of the ultrasound transducer using the second-order change rate.

公开(公告)号：US20160331352A1

公开(公告)日：2016-11-17

申请号：US15223167

申请日：2016-07-29

Applicant: OLYMPUS CORPORATION

Inventor： Tomonao KAWASHIMA

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/12

CPC classification number: A61B8/5269 ,  A61B8/12 ,  A61B8/14 ,  A61B8/461 ,  A61B8/5207 ,  G01S7/52036 ,  G01S7/52074 ,  G01S15/8977

Abstract: An ultrasound diagnosis apparatus is configured to generate an ultrasound image based on an ultrasound signal obtained by an ultrasound probe having an ultrasound transducer that transmits ultrasound to a subject and receives the ultrasound reflected from the subject. The apparatus includes: an analysis unit that analyzes a frequency of the ultrasound signal to calculate a frequency spectrum of the ultrasound signal for each reception depth; a calculation unit that calculates, in a predetermined order, a distance change rate and a frequency change rate in the frequency spectrum or in a function defined by using the frequency spectrum, to calculate a second-order change rate of the frequency spectrum or of the function; and an estimation unit that estimates an attenuation rate of the ultrasound signal, per unit distance and per unit frequency, in a predetermined region within a scanning region of the ultrasound transducer using the second-order change rate.

Abstract translation: 超声波诊断装置被配置为基于由超声波探头获得的超声波信号产生超声波图像，所述超声波探头具有超声波换能器，所述超声波换能器将超声波发射到被检体并且接收从受检者反射的超声波。 该装置包括：分析单元，分析超声信号的频率，以计算每个接收深度的超声波信号的频谱; 计算单元，其以预定顺序计算频谱中的距离变化率和频率变化率，或者通过使用频谱定义的函数，计算频谱的二阶变化率或 功能; 以及估计单元，其使用所述二阶变化率在所述超声换能器的扫描区域内的预定区域中估计所述超声信号的每单位距离和每单位频率的衰减率。