Method and apparatus for ultrasonic beam compensation
    1.
    发明授权
    Method and apparatus for ultrasonic beam compensation 失效
    超声波束补偿的方法和装置

    公开(公告)号:US5052394A

    公开(公告)日:1991-10-01

    申请号:US328082

    申请日:1989-03-28

    CPC classification number: G01S7/52049 A61B8/4494 G01S15/8918

    Abstract: In ultrasonic echoscopy, when an object to be examined has overlying layers of a medium (for example, fat, muscle, skin or bone) which have different ultrasonic transmission characteristics from those of the object, the echogram of the object is usually distorted. To reduce that distortion, the present invention uses a transducer comprising an array of ultrasonic transducer elements operated in a higher resolution mode than its normal imaging mode, to obtain information about the geometry of the overlying layers. Using this information and a knowledge of the transmission characteristics of the overlying layers, amplitude and phase corrections are calculated, to enable the transducer, when operated in its normal imaging mode, to generate a required beam of ultrasound. The corrections are then applied and an echogram of the object, with reduced distortion, is obtained while operating the transducer in its normal imaging mode.

    Abstract translation: PCT No.PCT / AU88 / 00181 Sec。 371日期:1989年3月28日 102(e)日期1989年3月28日PCT Filed 1988年6月10日PCT公布。 公开号WO88 / 09939 日期为1988年12月15日。在超声波回波检查中,当被检查物体具有与物体不同的超声波传播特性的介质(例如,脂肪,肌肉,皮肤或骨骼)的重叠层时, 对象通常是扭曲的。 为了减少失真,本发明使用包括以比其正常成像模式更高分辨率模式操作的超声波换能器阵列阵列的换能器,以获得关于上覆层的几何形状的信息。 使用该信息和上覆层的传输特性的知识,计算振幅和相位校正,以便当在其正常成像模式下操作时能够使换能器产生所需的超声波束。 然后在其正常成像模式下操作换能器时,应用校正并且获得具有减小的失真的对象的回波图。

    Rotating ultrasonic scanner
    2.
    发明授权
    Rotating ultrasonic scanner 失效
    旋转超声波扫描仪

    公开(公告)号:US4455872A

    公开(公告)日:1984-06-26

    申请号:US480830

    申请日:1983-04-25

    Abstract: A rotating scanner for use in ultrasonic echoscopy has a linearly scanned transducer arrangement, for transmitting beams of ultrasonic energy into an object (and receiving reflected ultrasonic echoes from the object). The transducer arrangement is rotated about an axis passing through the center or one end of the linear scan. The linear scanning may be mechanical scanning, or by electronic switching of an array of transducer elements.

    Abstract translation: 用于超声波回波检查的旋转扫描器具有线性扫描的换能器装置,用于将超声能量的束发射到物体中(并且从物体接收反射的超声回波)。 换能器装置围绕穿过线性扫描的中心或一端的轴旋转。 线性扫描可以是机械扫描,或通过换能器元件阵列的电子切换。

    Ultrasonic beam forming technique
    3.
    发明授权
    Ultrasonic beam forming technique 失效
    超声波束成形技术

    公开(公告)号:US4016751A

    公开(公告)日:1977-04-12

    申请号:US617980

    申请日:1975-09-29

    Applicant: George Kossoff

    Inventor: George Kossoff

    CPC classification number: G10K11/346 G01N29/0609 G01N29/262 G10K11/32

    Abstract: Apparatus for ultrasonic examination of objects, particularly in medical gnostic examination, incorporates means for focusing portions of the beam of ultrasonic pulses generated by a transducer at a plurality of distances from the transducer to reduce the width of the beam over a large distance.

    Abstract translation: 用于物体的超声波检查的设备,特别是在医学诊断检查中,包括用于将由换能器产生的超声波脉冲束的部分聚焦在与换能器多个距离处的部分,以减小光束在较大距离上的宽度。

    Simultaneous display of compound and simple ultrasound scans
    6.
    发明授权
    Simultaneous display of compound and simple ultrasound scans 失效
    同时显示复合和简单的超声波扫描

    公开(公告)号:US4078435A

    公开(公告)日:1978-03-14

    申请号:US715288

    申请日:1976-08-18

    Abstract: A technique of displaying information obtained by ultrasonic echoscopic examination of an object which comprises the steps of transmitting pulses of ultrasonic energy along a plurality of beams into the object and receiving echoes of said pulses reflected along the beams by acoustic impedance discontinuities within the object, the beams being directed from a plurality of spaced positions relative to the object and along a plurality of beam directions at each position, comprises forming a first display of information representative of the position of acoustic impedance discontinuities within the object from the echoes received along the plurality of beams as a compound scan of the object, and forming a second display of information from echoes received along selected beams of the plurality of beams as a simple scan of the object.

    Abstract translation: 显示通过对物体的超声波回波检查获得的信息的技术,包括以下步骤:沿着多个波束发射超声能量的脉冲到物体中,并且通过对象内的声阻抗不连续接收沿着波束反射的所述脉冲的回波, 从多个相对于物体的间隔位置以及沿着每个位置处的多个波束方向引导的光束包括形成表示物体内的声阻抗不连续性的信息的第一显示,所述信号表示沿着多个 光束作为对象的复合扫描,以及从多个光束中的选定光束接收的回波形成信息的第二显示,作为对象的简单扫描。

    Apparatus for ultrasonic examination
    8.
    发明授权
    Apparatus for ultrasonic examination 失效
    超声波检查装置

    公开(公告)号:US4094306A

    公开(公告)日:1978-06-13

    申请号:US681037

    申请日:1976-04-28

    Applicant: George Kossoff

    Inventor: George Kossoff

    Abstract: Apparatus for the pulse-echo ultrasonic examination of an object comprised of transducer means for transmitting pulses of ultrasonic energy and receiving reflected echoes of said pulses immersed in a coupling medium contained within a housing, the pulses being transmitted and echoes received through an aperture in the housing which may be covered with a flexible coupling membrane and the housing including a storage header tank open to the atmosphere to maintain the pressure to the coupling medium on the membrane constant during flexing of the membrane.

    Abstract translation: 用于对物体进行脉冲回波超声波检查的装置,包括用于传输超声能量的脉冲的传感器装置,并且接收浸入包含在外壳内的耦合介质中的所述脉冲的反射回波,所传输的脉冲和回波通过 可以用柔性耦合膜覆盖的壳体,并且壳体包括向大气开放的储存集水箱,以在膜的弯曲期间保持膜上的耦合介质的压力恒定。

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