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    • 24. 发明授权
    • Diagnostic imaging apparatus
    • 诊断成像装置
    • US4817617A
    • 1989-04-04
    • US171191
    • 1988-03-07
    • Yasuhito TakeuchiTakao HigashiizumiHideya AkasakaTakao JibikiShinichi Sano
    • Yasuhito TakeuchiTakao HigashiizumiHideya AkasakaTakao JibikiShinichi Sano
    • G03B42/06A61B8/00A61B8/06A61B8/14G01S15/89A61B10/00
    • G01S15/8979
    • A diagnostic imaging apparatus is disclosed in which an ultrasonic wave transmit/receive apparatus is used in common for both 2-dimensional B-mode imaging and for measurement of pulsed Doppler signals, by time sharing operation. The good real time characteristics of 2-dimensional B-mode imaging are retained, together with a sufficiently high data rate for pulsed Doppler measurement, through use of simple means for performing interpolation in the Doppler signals Ultrasonic wave transmit/receive means (21,23 to 25,27) repetitively execute combinations of ultrasonic wave transmit/receive sequences, each combination consisting of a plurality of pulsed Doppler mode ultrasonic wave transmit/receive sequences and a single 2-dimensional B-mode imaging ultrasonic wave transmit/receive sequence. Demodulator means (38 to 41) demodulate the Doppler signals, based on the received signals that are acquired during the pulsed Doppler mode ultrasonic wave transmit/receive sequences. Sampling means (42 to 44) perform range gate sampling of the demodulated Doppler signals, and interpolation means (45) interpolate sampling values into the Doppler signal to replace sampling values which are lost during execution of the 2-dimensional B-mode imagaing ultrasonic wave transmit/receive sequences. Doppler signal processing means (46 to 48 ) perform processing of the sampling signals following interpolation. 2-dimensional B-mode imaging means process the received signal that is acquired by the 2-dimensional B-mode imaging sequences.
    • 公开了一种诊断成像装置,其中超声波发射/接收装置通常用于二维B模式成像和脉冲多普勒信号的测量,通过分时操作。 通过使用在多普勒信号中执行插值的简单手段,保留了二维B模式成像的良好实时特性以及用于脉冲多普勒测量的足够高的数据速率。超声波发射/接收装置(21,23 重复执行超声波发送/接收序列的组合,每个组合由多个脉冲多普勒模式超声波发射/接收序列和单个2维B模式成像超声波发射/接收序列组成。 基于在脉冲多普勒超声波发射/接收序列期间获取的接收信号,解调器装置(38至41)解调多普勒信号。 采样装置(42至44)对解调的多普勒信号进行范围门采样,并且插值装置(45)将采样值内插到多普勒信号中以替代在执行二维B模式想像超声波期间丢失的采样值 发送/接收序列。 多普勒信号处理装置(46〜48)进行插补后的采样信号的处理。 2维B模式成像装置处理通过2维B模式成像序列获取的接收信号。
    • 27. 发明授权
    • Ultrasonic probe for puncture treatment
    • 超声波探针进行穿刺治疗
    • US4501278A
    • 1985-02-26
    • US555356
    • 1983-11-28
    • Keiki YamaguchiShinichi Sano
    • Keiki YamaguchiShinichi Sano
    • A61B17/34A61B8/00A61B8/08A61H39/00A61M5/42A61B5/00
    • A61M5/427A61B8/0833A61H39/007
    • An ultrasonic probe for puncture treatments is constructed in a manner that a guide member, for guiding a puncture needle, is provided on a side surface of an ultrasonic probe of a linear scanning type, with a needle being positioned by the guide member to be movable at right angles to the surface of the body of a patient, and a beam of ultrasonic wave is emitted by the probe in a direction oblique to the length dimension of the needle. The probe may be positioned obliquely to the needle, in which case, an acoustic coupling member of a wedge shape is inserted in the gap formed between the emitting end of the probe and the body. Alternatively, the probe may be positioned parallel with the needle in which case a wedge shaped member capable of deflecting the ultrasonic waves, is placed on the emitting end of the probe, and a wedge shaped acoustic coupling member is connected to the deflecting member so as to deflect the ultrasonic waves to be oblique to the needle within the body. The needle may be an acupuncture needle, a cannula, a tube, or the like.
    • 用于穿刺处理的超声波探头被构造成使得用于引导穿刺针的引导构件设置在线性扫描型的超声波探头的侧表面上,其中针由引导构件定位成可移动 与患者的身体的表面成直角,并且探针沿着与针的长度尺寸相反的方向发射超声波束。 探针可以倾斜地定位在针上,在这种情况下,将楔形形状的声耦合构件插入形成在探针的发射端和身体之间的间隙中。 或者,探针可以与针平行定位,在这种情况下,能够偏转超声波的楔形构件被放置在探针的发射端上,楔形声耦合构件连接到偏转构件,以便 以使超声波偏转到身体内的针。 针可以是针灸针,套管,管等。