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    • 2. 发明授权
    • System for measuring physical parameter utilizing vibration transmission
    • 利用振动传播测量物理参数的系统
    • US06425872B1
    • 2002-07-30
    • US09690821
    • 2000-10-18
    • Hisashi HagiwaraHiroshi FukukitaKinya HasegawaYushi Nishimura
    • Hisashi HagiwaraHiroshi FukukitaKinya HasegawaYushi Nishimura
    • A61B500
    • A61B5/02133
    • A physical parameter measuring system is provided which measures a physical parameter such as a blood pressure of a person using oscillation transmission. The system includes a phase detector, an A/D converter, an arc center determining circuit, and a phase angle determining circuit. The phase detector detects a phase of a sensor signal produced, in sequence, by monitoring oscillations which are applied by an exciter and transmitted through a living body to map the signal on a two-dimensional plane as a sample point. The A/D converter converts the sample point signal into a digital sample point signal in sequence. The arc center determining circuit determines a center of an arc defined by a distribution of the sample points mapped for a given period of time. The arc determining circuit selects the sample points which are located at an interval greater than a given reference sample-to-sample distance to form a sample group consisting of at least three of the selected sample points and determines a center of a circle passing through the sample group as the center of the arc. The phase angle determining circuit determines a phase angle of the sample point as viewed from the arc center determined by the arc center determining circuit and provides it as a parameter used to determine a physical parameter of the subject.
    • 提供了一种物理参数测量系统,其测量使用振荡传输的人的血压等物理参数。 该系统包括相位检测器,A / D转换器,电弧中心确定电路和相位角确定电路。 相位检测器通过监视由激励器施加并通过活体传输的振荡来依次检测产生的传感器信号的相位,以将二维平面上的信号映射为采样点。 A / D转换器将采样点信号顺序转换成数字采样点信号。 电弧中心确定电路确定由给定时间段映射的采样点的分布定义的弧的中心。 电弧确定电路选择位于大于给定参考采样间距离的间隔的采样点,以形成由至少三个所选取样点组成的采样组,并且确定通过所述采样点的圆的中心 样品组为圆弧的中心。 相位角确定电路确定从圆弧中心确定电路确定的从圆弧中心观察的采样点的相位角,并将其提供为用于确定被摄体的物理参数的参数。
    • 3. 发明申请
    • Ultrasonic Diagnosing Apparatus and Ultrasonic Image Display Method
    • 超声诊断仪和超声波图像显示方法
    • US20070249937A1
    • 2007-10-25
    • US11568877
    • 2005-05-13
    • Kinya HasegawaMasahiro Hamamoto
    • Kinya HasegawaMasahiro Hamamoto
    • A61B8/13
    • A61B8/12A61B8/445A61B8/4461A61B8/463A61B8/466A61B8/483G01S7/52061G01S7/52073G01S15/8993
    • A technique for displaying an ultrasonic three-dimensional image and its tomographic image at the same time is disclosed. According to the technique, it is provided with: a transmitting/receiving circuit 111 for carrying out a transmitting/receiving control of ultrasonic waves; a three-dimensional processing unit 120 for forming a three-dimensional image from an ultrasonic reception signal received by the transmitting/receiving circuit; an image processing circuit 115 for converting the tomographic image and the three-dimensional image into a display format; and the like. The three-dimensional processing unit is composed of: an angle detecting circuit 121 for generating an angle information of a high resolution from two encoder signals of a rotation and an oscillation; and a high speed operation processing circuit 122 for carrying out processes of generation, treatment and cut of a three-dimensional image data, and the like.
    • 公开了一种同时显示超声三维图像及其断层图像的技术。 根据该技术,提供:发送/接收电路111,用于执行超声波的发送/接收控制; 用于从由发送/接收电路接收的超声波接收信号形成三维图像的三维处理单元120; 用于将断层图像和三维图像转换为显示格式的图像处理电路115; 等等。 三维处理单元包括:角度检测电路121,用于从旋转和振荡的两个编码器信号产生高分辨率的角度信息; 以及用于执行三维图像数据的生成,处理和切割的处理的高速运算处理电路122等。
    • 5. 发明申请
    • ULTRASOUND DIAGNOSTIC APPARATUS AND IMAGE ACQUISITION METHOD USING ULTRASONIC WAVES
    • 使用超声波的超声波诊断装置和图像采集方法
    • US20140066770A1
    • 2014-03-06
    • US14115407
    • 2012-05-25
    • Yoshinobu WatanabeKatsumi SatakeKinya Hasegawa
    • Yoshinobu WatanabeKatsumi SatakeKinya Hasegawa
    • A61B8/08A61B8/00A61B8/14
    • A61B8/5246A61B8/0891A61B8/14A61B8/4218A61B8/4245A61B8/4254A61B8/466A61B8/483A61B8/5207
    • This ultrasonic diagnostic apparatus includes: a probe position information obtaining section which obtains information about the position of a probe that has gotten a received signal from each point; a feature extracting and computing section which generates, based on the received signal with which the positional information has been associated, information to compose a three-dimensional image including a object of measurement; a feature data comparing section which stores information to compose a three-dimensional image that was gotten in the past and information about the position of the object of measurement, of which the characteristic was measured in the past, compares the information to compose the three-dimensional image that was gotten in the past to information to compose a three-dimensional image being gotten currently, and gets the positional information of the object of measurement, of which the characteristic was measured in the past, incorporated into the information to compose the three-dimensional image being gotten currently; and an image display processing section which performs processing to display a three-dimensional image based on the information to compose the three-dimensional image being gotten currently, the positional information of the object of measurement, of which the characteristic was measured in the past and which has been incorporated by the feature data comparing section, and information about the current position of the probe.
    • 该超声波诊断装置包括:探测位置信息取得部,取得从各点得到接收信号的探头的位置的信息; 特征提取计算部,其基于与位置信息相关联的接收信号生成包括测量对象的三维图像的信息; 存储组成过去获得的三维图像的信息的特征数据比较部分和过去测量的特征的测量对象的位置的信息相比较, 过去获得的三维图像被用于构成当前正在获取的三维图像的信息,并且获得其过去测量的特征的测量对象的位置信息,并入信息中以构成三维图像 正在获取的维度图像; 以及图像显示处理部,其执行基于所述信息显示三维图像的处理,以构成当前得到的三维图像,测量对象的位置信息,其过去被测量的特征; 由特征数据比较部分并入的信息以及关于探针的当前位置的信息。
    • 7. 发明授权
    • Noninvasive continuous blood pressure measuring apparatus and a method of noninvasively measuring continuous blood pressure
    • 无创连续血压测量仪器和无创测量连续血压的方法
    • US06966879B2
    • 2005-11-22
    • US10721076
    • 2003-11-26
    • Kinya HasegawaYushi NishimuraHisashi Hagiwara
    • Kinya HasegawaYushi NishimuraHisashi Hagiwara
    • A61B5/00A61B5/02A61B5/021
    • A61B5/02133A61B5/021A61B5/02116A61B2562/0247A61B2562/043
    • One of pairs of an exciter and a sensor is selected in accordance with the detection signal which is derived from an exciter waveform induced in an artery transmitted therethrough. The pairs of exciters and sensors are arranged on a substrate in various formations. A/D converters are provided to respective detection signals. A frequency of the oscillation signal supplied to the exciter is controlled by various oscillation signal generation circuits. Bandpass filtering for extracting the exciter waveform, low-pass-filtering for extracting a natural blood pressure waveform, phase difference detection processes are provided by a microprocessor, wherein the bandpass filtering and low-pass-filtering processes may be replaced with a bandpass filter and a low pass filter, and their outputs are selected by a switching circuit and supplied to the microprocessor through one a/d converter. The frequency of the oscillation signal is controlled to an optimum frequency by detecting the detection signal and estimating the attenuation, dispersion, phase shift with respect to different frequency and by determining one of the different frequency in accordance with the estimation result. The waveform of the oscillation signal is controlled to an optimum waveform similarly.
    • 根据从通过其传输的动脉中感应的激励器波形导出的检测信号来选择一对激励器和​​传感器。 激励器和传感器对被布置在各种形式的基板上。 A / D转换器被提供给相应的检测信号。 提供给励磁机的振荡信号的频率由各种振荡信号发生电路控制。 用于提取激励器波形的带通滤波器,用于提取自然血压波形的低通滤波,相位差检测处理由微处理器提供,其中带通滤波和低通滤波处理可以被带通滤波器代替, 低通滤波器,其输出由开关电路选择,并通过一个a / d转换器提供给微处理器。 通过检测检测信号并估计相对于不同频率的衰减,色散,相移以及根据估计结果确定不同频率之一,将振荡信号的频率控制到最佳频率。 振荡信号的波形类似地被控制到最佳波形。
    • 9. 发明授权
    • Ultrasonic diagnosing apparatus and ultrasonic image display method
    • 超声诊断装置及超声波图像显示方法
    • US07946989B2
    • 2011-05-24
    • US11568877
    • 2005-05-13
    • Kinya HasegawaMasahiro Hamamoto
    • Kinya HasegawaMasahiro Hamamoto
    • A61B8/00
    • A61B8/12A61B8/445A61B8/4461A61B8/463A61B8/466A61B8/483G01S7/52061G01S7/52073G01S15/8993
    • A technique for displaying an ultrasonic three-dimensional image and its tomographic image at the same time is disclosed. According to the technique, it is provided with: a transmitting/receiving circuit 111 for carrying out a transmitting/receiving control of ultrasonic waves; a three-dimensional processing unit 120 for forming a three-dimensional image from an ultrasonic reception signal received by the transmitting/receiving circuit; an image processing circuit 115 for converting the tomographic image and the three-dimensional image into a display format; and the like. The three-dimensional processing unit is composed of: an angle detecting circuit 121 for generating an angle information of a high resolution from two encoder signals of a rotation and an oscillation; and a high speed operation processing circuit 122 for carrying out processes of generation, treatment and cut of a three-dimensional image data, and the like.
    • 公开了一种同时显示超声三维图像及其断层图像的技术。 根据该技术,提供:发送/接收电路111,用于执行超声波的发送/接收控制; 用于从由发送/接收电路接收的超声波接收信号形成三维图像的三维处理单元120; 用于将断层图像和三维图像转换为显示格式的图像处理电路115; 等等。 三维处理单元包括:角度检测电路121,用于从旋转和振荡的两个编码器信号产生高分辨率的角度信息; 以及用于执行三维图像数据的生成,处理和切割的处理的高速运算处理电路122等。
    • 10. 发明授权
    • Noninvasive continuous blood pressure measuring apparatus and a method of noninvasively measuring continuous blood pressure
    • 无创连续血压测量仪器和无创测量连续血压的方法
    • US06802815B2
    • 2004-10-12
    • US10721083
    • 2003-11-26
    • Kinya HasegawaYushi NishimuraHisashi Hagiwara
    • Kinya HasegawaYushi NishimuraHisashi Hagiwara
    • A61B500
    • A61B5/02133A61B5/021A61B5/02116A61B2562/0247A61B2562/043
    • One of pairs of an exciter and a sensor is selected in accordance with the detection signal which is derived from an exciter waveform induced in an artery transmitted therethrough. The pairs of exciters and sensors are arranged on a substrate in various formations. A/D converters are provided to respective detection signals. A frequency of the oscillation signal supplied to the exciter is controlled by various oscillation signal generation circuits. Bandpass filtering for extracting the exciter waveform, low-pass-filtering for extracting a natural blood pressure waveform, phase difference detection processes are provided by a microprocessor, wherein the bandpass filtering and low-pass-filtering processes may be replaced with a bandpass filter and a low pass filter, and their outputs are selected by a switching circuit and supplied to the microprocessor through one a/d converter. The frequency of the oscillation signal is controlled to an optimum frequency by detecting the detection signal and estimating the attenuation, dispersion, phase shift with respect to different frequency and by determining one of the different frequency in accordance with the estimation result. The waveform of the oscillation signal is controlled to an optimum waveform similarly.
    • 根据从通过其传输的动脉中感应的激励器波形导出的检测信号来选择一对激励器和​​传感器。 激励器和传感器对被布置在各种形式的基板上。 A / D转换器被提供给相应的检测信号。 提供给励磁机的振荡信号的频率由各种振荡信号发生电路控制。 用于提取激励器波形的带通滤波器,用于提取自然血压波形的低通滤波,相位差检测处理由微处理器提供,其中带通滤波和低通滤波处理可以被带通滤波器代替, 低通滤波器,其输出由开关电路选择,并通过一个a / d转换器提供给微处理器。 通过检测检测信号并估计相对于不同频率的衰减,色散,相移以及根据估计结果确定不同频率之一,将振荡信号的频率控制到最佳频率。 振荡信号的波形类似地被控制到最佳波形。