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    • 1. 发明授权
    • Ultrasonographic device
    • 超声波装置
    • US08535229B2
    • 2013-09-17
    • US11719770
    • 2005-07-15
    • Shin-ichiro UmemuraTakashi AzumaYuichi Miwa
    • Shin-ichiro UmemuraTakashi AzumaYuichi Miwa
    • A61B8/00
    • G01S15/8993A61B8/483G01S7/5202G01S7/52046G01S7/5209G01S7/52095
    • An ultrasonographic technique capable of forming a transmission beam enabling multi-beam transmission/reception of identical transmission sensitivity. An ultrasonographic device for imaging inside of an examinee includes a transmitter for transmitting an ultrasonic pulse signal from an ultrasonic element array to the examinee, and a receiver for receiving the ultrasonic pulse reflected from the examinee. The transmitter transmits an ultrasonic pulse signal having a plurality of peaks of substantially equal transmission intensity in the azimuth direction and a trace in the depth direction of each peak as a substantially straight line, from a transmission opening of the ultrasonic element array to the examinee.
    • 一种能够形成能够实现相同传输灵敏度的多波束发射/接收的传输波束的超声波技术。 用于在受检者内部成像的超声波诊断装置包括用于从超声波元件阵列向受检者发送超声波脉冲信号的发射器,以及用于接收从受检者反射的超声波脉冲的接收器。 发射机从超声波元件阵列的传输开口向受检者发送具有在方位方向上具有基本相等的传输强度的多个峰值和超过每个峰值深度方向的迹线作为基本上直线的超声波脉冲信号。
    • 4. 发明授权
    • Ultrasonic imaging device
    • 超声波成像装置
    • US08002703B2
    • 2011-08-23
    • US10586665
    • 2005-01-06
    • Takashi AzumaShin-ichiro UmemuraHiroshi KuribaraTatsuya Hayashi
    • Takashi AzumaShin-ichiro UmemuraHiroshi KuribaraTatsuya Hayashi
    • A61B8/00
    • G01S15/102A61B8/481G01S7/5202G01S7/52038G01S7/52039G01S15/8959G01S15/8963
    • This invention provides an ultrasonic imaging system that implements imaging by distinguishing sharply and definitely the echo components generated by scattering in a microbubble contrast medium, from the tissue harmonic components generated by nonlinear propagation of a transmitted pulse. This ultrasonic imaging system, constructed to transmit/receive ultrasonic pulses to/from a living body and form a contrast image of the inside of the living body by using the contrast-imaging microbubbles, repeats the transmitting/receiving operations four times in all, under the same transmitting/receiving focus conditions at different phase angles [(a)=0°, (b)=120°, (c)=−120°, (d)=180°] of the carrier of a transmitted pulse wave including a common envelope signal, sums up three time-series receive echo signals associated with (a), (b), (c), forms the contrast image, sums up two time-series receive echo signals associated with (a), (d), forms an image of the living body having a nonlinear pulse propagation property, and makes a superimposed display of the two kinds of images.
    • 本发明提供了一种超声成像系统,其通过从由发射脉冲的非线性传播产生的组织谐波分量中清楚地和明确地区分由微泡造影剂中的散射产生的回波分量来实现成像。 该超声波成像系统被构造成通过使用对比度成像微泡将生物体的超声波脉冲发送/接收生物体内部的对比图像,全部重复发送/接收操作四次 发射脉冲波的载波的不同相位角[(a)= 0°,(b)= 120°,(c)= - 120°,(d)= 180°)的相同发射/接收对焦条件包括 共同的包络信号,与(a),(b),(c)相关联的三个时间序列接收回波信号相加形成对比度图像,将与(a),(d)相关联的两个时间序列接收回波信号相加 ),形成具有非线性脉冲传播特性的活体的图像,并且叠加显示两种图像。
    • 10. 发明授权
    • Ultrasonograph
    • 超声波检查
    • US07785260B2
    • 2010-08-31
    • US10482789
    • 2002-06-05
    • Shin-ichiro UmemuraYuichi MiwaTakashi AzumaTakashi SugiyamaHiroshi Kuribara
    • Shin-ichiro UmemuraYuichi MiwaTakashi AzumaTakashi SugiyamaHiroshi Kuribara
    • A61B8/00
    • G01S7/52047A61B8/481G01S7/5202G01S7/52026G01S7/52038G01S15/8963G10K11/346
    • An ultrasonograph capable of generating a transmission beam comprising a main beam having a uniform width over a wide range in an ultrasonic wave propagation direction by one-time transmission of an ultrasonic pulse. A weighted mean value of a plurality of transmission delay time values corresponding to focal lengths of transmission pulse waves having a plurality of focal points which are set in the ultrasonic wave propagation direction is calculated for each of elements constituting a transmission aperture and used as the delay time. The curvature of a transmitted wave front is close to a short focal length in the center portion of the transmit aperture and is close to a long focal length in the peripheral portion. Thus, a transmission beam including a relatively narrow main beam with a uniform width over a wide range in the ultrasonic wave propagation direction can be generated.
    • 一种能够通过超声波脉冲的一次发送,能够在超声波传播方向上产生宽波长宽泛的主波束的发射束的超声波检查仪。 针对构成传输孔径的每个元素计算与设置在超声波传播方向上的多个焦点的传输脉冲波的焦距相对应的多个传输延迟时间值的加权平均值,并将其用作延迟 时间。 透射波前的曲率在发射孔的中心部分接近短焦距,并且在周边部分中接近长焦距。 因此,可以产生包括在超声波传播方向上在宽范围内具有均匀宽度的相对窄的主波束的发射波束。