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    • 33. 发明授权
    • Ultrasonic peripheral vascular probe assembly
    • 超声波外周血管探针组件
    • US5402789A
    • 1995-04-04
    • US188482
    • 1994-01-28
    • Julian DowPaul F. MeyersMichael Waddell
    • Julian DowPaul F. MeyersMichael Waddell
    • A61B8/06A61B8/12G01S15/89H02K33/16A61B8/00
    • A61B8/06A61B8/12A61B8/4455A61B8/4461G01S15/894G01S15/8979H02K33/16
    • An ultrasonic probe has a housing, a base pivotally mounted within the housing, an extension formed upon the base, and a scanning ultrasonic transducer disposed upon the distal end of the extension. The extension is preferably configured such that the scanning transducer moves along an arc of approximately 50 degrees having a radius of approximately 40 mm and is thus suitable for imaging elongate anatomical structures such as portions of the peripheral vascular system. A doppler ultrasonic transducer optionally fixedly disposed within the housing proximate the scanning ultrasonic transducer measures fluid flow within the elongate anatomical structure. The doppler ultrasonic transducer is disposed at one end of the arc along which the scanning ultrasonic transducer travels such that the radiation path of the doppler ultrasonic transducer is periodically obscured by the scanning ultrasonic transducer. The doppler ultrasonic transducer measures fluid flow through the elongate anatomical structure when the scanning ultrasonic transducer is not within the radiation path of the doppler ultrasonic transducer.
    • 超声波探头具有壳体,枢转地安装在壳体内的基座,形成在基座上的延伸部和设置在延伸部的远端上的扫描超声波换能器。 延伸部优选地构造成使得扫描换能器沿着具有大约40mm的半径的大约50度的弧线移动,并且因此适合于成像细长解剖结构,例如外周血管系统的部分。 可选地固定地布置在壳体内的多普勒超声换能器靠近扫描超声波换能器测量细长解剖结构内的流体流动。 多普勒超声波换能器设置在扫描超声波换能器所沿的电弧的一端,使得多普勒超声换能器的辐射路径被扫描超声换能器周期性地遮蔽。 当扫描超声波换能器不在多普勒超声换能器的辐射路径内时,多普勒超声换能器测量流过细长解剖结构的流体流动。
    • 34. 发明授权
    • Laparoscopic ultrasonic probe
    • 腹腔镜超声探头
    • US5351692A
    • 1994-10-04
    • US75121
    • 1993-06-09
    • Julian DowPaul F. MeyersMichael Waddell
    • Julian DowPaul F. MeyersMichael Waddell
    • A61B8/12
    • A61B8/4461A61B8/12A61B8/445
    • An ultrasonic probe has an elongate tubular member and an imaging ultrasonic transducer pivotally mounted proximate the distal end of the tubular member. Reciprocating pivotal motion of the ultrasonic transducer is effected to facilitate scanning. A first cable attached to the imaging ultrasonic transducer effects pivoting thereof in a first direction and a second cable attached to the imaging ultrasonic transducer effects pivoting thereof in a second direction. A linear motor is attached to the first cable for pulling the first cable to effect pivoting of the ultrasonic transducer in the first direction and a tension means is attached to the second cable for pulling the second cable when the linear motor ceases pulling the first cable to effect pivoting of the ultrasonic transducer in the second direction.
    • 超声波探头具有细长的管状构件和靠近管状构件的远端可枢转地安装的成像超声波换能器。 进行超声波换能器的往复运动以便于扫描。 附接到成像超声波换能器的第一缆线在第一方向上实现枢转,并且附接到成像超声波换能器的第二缆线在第二方向上实现枢转。 线性电动机附接到第一电缆以拉动第一电缆以在第一方向上实现超声波换能器的枢转,并且当线性电动机停止将第一电缆拉到第二电缆时,张紧装置附接到第二电缆以拉动第二电缆 超声波换能器在第二方向上的枢轴转动。
    • 35. 发明授权
    • Ultrasonic transducer probe assembly
    • 超声波换能器探头组件
    • US4913155A
    • 1990-04-03
    • US267110
    • 1988-10-24
    • Julian DowPaul F. Meyers
    • Julian DowPaul F. Meyers
    • G10K11/35
    • G10K11/355
    • A transducer is pivoted by a linear motor having an electrical coil as the reciprocally moving member. The coil is in a plane orthogonal to the lines of magnetic flux between opposed permanent magnets of opposite polarity affixed to the probe case, providing efficiency. A mechanical linkage between the linear motor electrical coil moving member and the transducer which is forced in pivoting motion transmits only axial force, and not torque, by employing a ball and socket joint at one end of a crankshaft. Electrical connections to the electrical coil are facilitated through springs which additionally mechanically bias the reciprocal movement of the coil. Electrical connections to the pivoting transducer are facilitated through a helical coil wrapping the pivot shaft. These electrical connections accomodate mechanical motions within the probe. A bellows-fold cylindrical air bladder is positioned within the fluid chamber of the probe to allow for thermally-induced changes in fluid volume.
    • 传感器由具有电线圈的线性电动机作为往复移动部件枢转。 线圈处于与固定在探针外壳上的相对极性相对的永磁体之间的磁通线正交的平面上,提供效率。 通过在曲轴的一端采用球窝接头,线性电动机电动线圈移动构件和被强制转动的换能器之间的机械联动仅传递轴向力而不是扭矩。 通过额外机械地偏置线圈的往复运动的弹簧来促进与电线圈的电连接。 通过缠绕枢转轴的螺旋线圈促进与枢转换能器的电连接。 这些电气连接适应探头内的机械运动。 波纹管折叠的圆柱形气囊位于探针的流体室内,以允许流体体积的热诱导变化。
    • 36. 发明授权
    • Ultrasonic prostate probe assembly
    • 超声波前列腺探针组件
    • US4841979A
    • 1989-06-27
    • US147793
    • 1988-01-25
    • Julian DowPaul F. Meyers
    • Julian DowPaul F. Meyers
    • A61B8/12G10K11/35
    • A61B8/12A61B8/445A61B8/4461G10K11/355
    • An ultrasonic prostate probe assembly is disclosed, characterized by the ultrasonic transducer being carried upon a gimbal cup which is rotatably mounted to the probe assembly to allow selection of multiple sector scan directions during operation of the probe. The transducer is pivoted via a spring biased cable linkage connected to a linear motor having an electric coil as the reciprocating moving member. Selective rotation of the gimbal cup is effectuated by manipulation of an additional cable linkage extending axially through the probe assembly. The use of multiple sector scan directions allows improved identification and sizing of problematic body tissue in applications such as prostate applications where space constraints prevent manipulation of the probe into differing scanning positions.
    • 公开了一种超声波前列腺探针组件,其特征在于,超声波换能器承载在万向杯上,万向节杯可旋转地安装到探针组件,以允许在探针操作期间选择多个扇形扫描方向。 传感器通过连接到具有作为往复运动构件的电线圈的线性电动机的弹簧偏置电缆连杆枢转。 万向杯的选择性旋转通过操纵沿轴向延伸穿过探针组件的另外的缆线连杆来实现。 使用多个扇区扫描方向允许改进在诸如前列腺应用的应用中有问题的身体组织的识别和尺寸调整,其中空间限制阻止探针操纵到不同的扫描位置。