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    • 1. 发明申请
    • AN ULTRASOUND SYSTEM WITH WIDE DEPTH AND DETAILED VIEWING
    • 具有深度和详细视图的超声系统
    • WO2017042304A1
    • 2017-03-16
    • PCT/EP2016/071242
    • 2016-09-09
    • KONINKLIJKE PHILIPS N.V.
    • DITTMER, Wendy UyenVAN RENS, Antonia Cornelia (Jeannet)
    • G01S15/89G01S7/52
    • G01S15/8993G01S7/52063G01S7/52073G01S7/52074G01S15/8952
    • The invention relates to an ultrasound system for imaging a volumetric region comprising a region of interest comprising: a probe having an array of CMUT transducers adapted to steer ultrasound beams in a variable frequency range over the volumetric region; a beamformer coupled to the array and adapted to control the ultrasound beam steering and provide ultrasound image data of the volumetric region; a transducer frequency controller coupled to the beamformer and adapted to vary operation frequencies of the CMUT transducers within the frequency range, which frequency controller is arranged to set the operation frequency to a first frequency for the ultrasound beam steered in the volumetric region; an image processor responsive to the ultrasound image data, based on which it is adapted to produce an ultrasound image. The system further comprises a region of interest (ROI) identifier enabling to identify the region of interest on the basis of the ultrasound image data, wherein the identifier is adapted to generate identification data indicating the region of interest within the volumetric region; wherein the transducer frequency controller is further adapted to set, based on the identification data, the operation frequency to a second frequency for the ultrasound beams steered within the region of interest, the second frequency being higher than the first frequency.
    • 本发明涉及一种用于对包括感兴趣区域的体积区域成像的超声系统,包括:探针,其具有适于在所述体积区域上转向可变频率范围内的超声波束的CMUT换能器阵列; 耦合到所述阵列并适于控制所述超声波束转向并提供所述体积区域的超声图像数据的波束成形器; 换能器频率控制器,其耦合到所述波束形成器并且适于改变所述频率范围内的所述CMUT换能器的操作频率,所述频率控制器布置成将所述操作频率设置为在所述体积区域中转向的超声波束的第一频率; 响应于超声图像数据的图像处理器,基于该图像处理器适于产生超声图像。 所述系统还包括感兴趣区域(ROI)标识符,其能够基于所述超声图像数据来识别所述感兴趣区域,其中所述标识符适于产生指示所述体积区域内的感兴趣区域的识别数据; 其中所述换能器频率控制器还适于基于所述识别数据将所述操作频率设置为在所述感兴趣区域内转向的超声波束的第二频率,所述第二频率高于所述第一频率。