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    • 8. 发明专利
    • Method and device for measuring mean value of visco-elasticity of region of interest
    • 用于测量感兴趣区域的粘弹性的平均值的方法和装置
    • JP2014030774A
    • 2014-02-20
    • JP2013241939
    • 2013-11-22
    • Super Sonic Imagineスーパー ソニック イマジンSuper Sonic Imagine
    • BERCOFF JEREMYDAVID SAVERYMICKAEL TANTERJEAN-LUC GENNISSONFINK MATHIASCLAUDE COHEN-BACRIE
    • A61B8/00
    • PROBLEM TO BE SOLVED: To provide an elastography technique capable of measuring a mean elasticity value of a given tissue without imaging the whole tissue and without making any assumption on viscoelastic homogeneity of the tissue.SOLUTION: A method comprises the steps of : a) inducing, in a constraint zone, at least one burst of mechanical vibrations in order to generate internal shear waves in the tissue propagating from the constraint zone into the tissue, bl) measuring, with a transducer, transient tissue displacements in at least one first measurement zone in the tissue, the first measurement zone being located away from the constraint zone, c) estimating a mean visco-elasticity of the region of the tissue situated between the constraint zone and the first measurement zone from the measured transient tissue displacements of the tissue in the first measurement zone.
    • 要解决的问题:提供能够测量给定组织的平均弹性值而不对整个组织进行成像并且不对组织的粘弹性均匀性做出任何假设的弹性成像技术。解决方案:一种方法包括以下步骤:a)诱导 在约束区域中,产生至少一个机械振动的爆发,以便在组织中从约束区域传播到组织中产生内部剪切波,b1)用换能器测量至少一个第一测量区域中的瞬时组织位移 在组织中,第一测量区域远离约束区域,c)从测量的组织的瞬时组织位移估计位于限制区域和第一测量区域之间的组织的区域的平均粘弹性 第一个测量区。
    • 9. 发明专利
    • Method and apparatus for ultrasonic synthetic imaging
    • 超声合成成像的方法与装置
    • JP2009219876A
    • 2009-10-01
    • JP2009061469
    • 2009-03-13
    • Super Sonic Imagineスーパー ソニック イマジン
    • BERCOFF JEREMYCOHEN BACRIE CLAUDETANTER MICKAELMATHIAS FINKMONTALDO GABRIEL
    • A61B8/00G01S15/89
    • G10K11/346G01S7/52049G01S15/8927G01S15/8977G01S15/8997
    • PROBLEM TO BE SOLVED: To provide a novel method for an ultrasonic synthetic imaging can improve a method of plane wave ultrasonic synthetic imaging.
      SOLUTION: This method for ultrasonic imaging is provided with at least the following steps: (a) a transmission step in which a plurality of ultrasonic waves are transmitted into an imaged region and a set of raw data is obtained by an array of transducers in response to each ultrasonic wave, the ultrasonic waves have different spatial frequency content; (b) a coherence enhancing step in which, for each of a plurality of virtual transmit focal zones in the imaged region, at least one set of coherent data is synthesized from the sets of raw data; (c) a beamforming step in which, for each of a plurality of locations included in each of the virtual transmit focal zones, an image pixel is computed by beamforming, using the set of coherent data.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种超声合成成像的新方法可以改善平面波超声合成成像的方法。 解决方案:该超声波成像方法至少具有以下步骤:(a)发送步骤,其中多个超声波被发送到成像区域,并且一组原始数据通过以下方式获得: 换能器响应于每个超声波,超声波具有不同的空间频率含量; (b)相干增强步骤,其中对于所述成像区域中的多个虚拟发射聚焦区域中的每一个,从所述原始数据组合成至少一组相干数据; (c)波束形成步骤,其中,对于包括在每个虚拟发射聚焦区域中的多个位置中的每一个,通过使用所述相干数据集合的波束成形来计算图像像素。 版权所有(C)2010,JPO&INPIT