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    • 7. 发明公开
    • Ultrasonic image scanning apparatus and method
    • 一种用于使用超声扫描组件形成的图像的方法
    • EP1327892A2
    • 2003-07-16
    • EP03100346.0
    • 1995-10-06
    • Advanced Technology Laboratories, Inc.
    • Roundhill, DavidRust, DavidCooley, Clifford R.
    • G01S7/52A61B8/00
    • G01S7/52085G01S7/52047G01S7/52063G01S15/8918G01S15/8979
    • An ultrasonic apparatus for scanning an image field of a subject extending in substantially opposite directions from the middle of said field to lateral extremes of said field with beams of ultrasound which are transmitted and received in a pattern in which the beams are spatially adjacent to each other over said image field. This apparatus has means for minimizing multipath artifacts, comprising means for sequentially transmitting and receiving ultrasonic beams in successive beam directions along which the consecutively transmitted and receive beams are substantially spatially separated, and in an alternate manner. This means may include means for sequentially transmitting and receiving beams in successive beam directions that are divergent from a first beam direction located at a first location in said image field alternately each side of the first beam direction; and/or means for sequentially transmitting and receiving beams in successive beam directions that are convergent from two opposite beam directions alternately towards the center of said image field.
    • 一种用于扫描对象大致相反的方向从所述场的中间延伸的像场的超声波装置,以侧向所述场的极端与超声波束哪些是反式mitted和以图案接收到的,其中光束被空间上邻近海誓山盟 所述过像场。 该装置具有用于多径最小化伪影,包括用于顺序地发送装置和在交替的方式在沿着该连续反mitted和接收波束基本上空间分离的连续波束方向,并在接收超声波束。 此装置可包括装置,用于顺序地发射和连续波束方向没有从位于所述图象场可替换地,所述第一波束方向的一侧的第一位置的第一波束方向发散接收波束; 和/或用于顺序发送装置和在连续的波束方向接收光束会聚从两个相对波束方向做替换地朝向所述像场的中心。