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    • 75. 发明申请
    • MAGNETIC RESONANCE IMAGING METHOD AND DEVICE
    • 磁共振成像方法与装置
    • US20130221963A1
    • 2013-08-29
    • US13777427
    • 2013-02-26
    • ESAOTE S.p.A.
    • Andrea SERRA
    • G01R33/56
    • G01R33/56G01R33/482G01R33/5617G01R33/56554
    • Magnetic resonance imaging method and device, preferably using T2-weighted Fast Spin Echo (FSE) sequences, wherein a first set of magnetic resonance signals corresponding to predetermined phase-encoding gradients and at least one second set of received magnetic resonance signals, corresponding to further predetermined phase-encoding gradients, are acquired from the body under examination, using multi-echo sequences, such that echoes with the same echo index are assigned to different phase-encoding gradients, said first set and said at least one second set being entered into at least two corresponding k-space matrices, and the at least two k-space matrices being combined into a single k-space matrix from which an image is generated, wherein each k-space matrix is incompletely filled such that, for the same phase encoding gradients, one matrix contains the higher-intensity received signals, and at least another matrix contains no signal.
    • 磁共振成像方法和装置,优选使用T2加权的快速自旋回波(FSE)序列,其中对应于进一步的预定相位编码梯度的第一组磁共振信号和至少一个第二组接收的磁共振信号 使用多回波序列从被检体内获取预定的相位编码梯度,使得具有相同回波指数的回波被分配给不同的相位编码梯度,所述第一组和所述至少一个第二组被输入 至少两个对应的k空间矩阵,并且所述至少两个k空间矩阵被组合成从其生成图像的单个k空间矩阵,其中每个k空间矩阵不完全填充,使得对于相同相位 编码梯度,一个矩阵包含较高强度的接收信号,至少另一个矩阵不包含信号。
    • 78. 发明授权
    • Array of electroacoustic transducers and electronic probe for diagnostic images with high focusing depth
    • 阵列电声换能器和电子探针,用于诊断图像,具有高聚焦深度
    • US08324787B2
    • 2012-12-04
    • US12758365
    • 2010-04-12
    • Marino Cerofolini
    • Marino Cerofolini
    • H01L41/08H04R17/00
    • B06B1/0622
    • An electroacoustic transducer assembly and probe for emitting and receiving acoustic radiation beams. The transducer assembly comprising a plurality of transducer elements, each one composed of an electroacoustic element, arranged side by side and spaced apart along a row having a first end. Starting from transducer element proximate to the first end, adjacent transducer elements are constructed and arranged create an electroacoustic pair. A first element of the electroacoustic pair is constructed and arranged to only transmit acoustic pulses and a second element of the electroacoustic pair is constructed and arranged to only receive acoustic pulses. Each electroacoustic pair share a common connection line which branches off into a transmit branch connected to the first element and a receive branch connected to the second element.
    • 用于发射和接收声辐射束的电声换能器组件和探头。 换能器组件包括多个换能器元件,每个换能器元件每个由电声元件组成,并排设置并沿着具有第一端的行间隔开。 从靠近第一端的换能器元件开始,构造和布置相邻的换能器元件产生电声对。 电声对的第一元件被构造和布置成仅传输声学脉冲,并且电声对的第二元件被构造和布置成仅接收声学脉冲。 每个电声对共享共同连接线,其分支到连接到第一元件的发射支路和连接到第二元件的接收支路。