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    • 3. 发明授权
    • Scanning ultrasonic probe with locally-driven sweeping ultrasonic source
    • 用本地扫描超声波源扫描超声波探头
    • US5647367A
    • 1997-07-15
    • US657742
    • 1996-05-31
    • Paul LumEdward Verdonk
    • Paul LumEdward Verdonk
    • A61B8/12G10K11/35A61B8/00
    • A61B8/12A61B8/445A61B8/4461A61B8/4483G10K11/355
    • An ultrasonic probe for imaging tissues from inside a patient's body cavity is disclosed. The ultrasonic probe includes a housing near to the probe's distal end, an ultrasonic beam emitting assembly having a pivotable part, and a driver for producing a pivotal motion on the pivotable part. The housing has a portion that is acoustically transparent. The pivotable part is movable and is operatively connected to the housing. The pivotable part can either have mounted on it a transducer for emitting ultrasound or a reflector for reflecting ultrasound. In either case, when the pivotable part pivots it sweeps ultrasonic energy over a selected angle. The driver is located near to the transducer such that all driving motions for driving the pivotal motion occur near the distal end of the ultrasonic probe.
    • 公开了一种用于从患者体腔内部组织成像的超声波探头。 超声波探头包括靠近探头远端的壳体,具有可枢转部分的超声波束发射组件和用于在可枢转部件上产生枢转运动的驱动器。 外壳具有声透明部分。 可枢转部分是可移动的并且可操作地连接到壳体。 可枢转部件可以安装在其上用于发射超声的换能器或用于反射超声的反射器。 在任一种情况下,当可枢转部件枢转时,其在超过选定的角度上扫掠超声波能量。 驱动器位于传感器附近,使得用于驱动枢转运动的所有驱动运动发生在超声波探头的远端附近。
    • 4. 发明授权
    • Optical excitation/detection device using discrete photoemitter devices
    • 光激励/检测装置采用离散光电发生器
    • US06657235B1
    • 2003-12-02
    • US10153760
    • 2002-05-22
    • Edward VerdonkRichard J. PittaroShahida RanaDavid Andrew KingFrederick A. StawitckeRichard D. Pering
    • Edward VerdonkRichard J. PittaroShahida RanaDavid Andrew KingFrederick A. StawitckeRichard D. Pering
    • H01L2926
    • H01L27/14643H01L25/0753H01L25/167H01L2924/0002H01L2924/00
    • The disclosure is directed toward an optical excitation/detection device that includes an arrayed plurality of photodetectors and discrete photoemitters, as well as a method for making such a device. A CMOS fabricated photodetector array includes an arrayed plurality of photoreceptor areas and photoemitter areas, wherein each photoreceptor area includes a CMOS integrated photoreceptor and each photoemitter area includes at least two buried electric contact pads. The CMOS array is selectively etched back at the locations of the photoemitter areas for regions to reveal the buried contact pads. A plurality of discrete semiconductor photoemitter devices (such as, for example, light emitting diodes) are inserted into, and mechanically retained within, the regions of the CMOS fabricated photodetector array. The inserted discrete semiconductor photoemitter devices make electrical contact with the buried electric contact pads that are revealed within each of the regions to form the optical excitation/detection device from an arrayed plurality of photodetectors and discrete semiconductor photoemitters.
    • 本公开涉及包括阵列的多个光电探测器和分立光电发生器的光学激发/检测装置,以及用于制造这种装置的方法。 CMOS制造的光电检测器阵列包括阵列的多个感光体区域和光电发射器区域,其中每个感光体区域包括CMOS集成感光体,并且每个光电发射器区域包括至少两个埋入的电接触焊盘。 CMOS阵列在光电探测器区域的位置处被选择性地回蚀,用于区域以露出埋入的接触焊盘。 多个分立的半导体光电探测器装置(例如,发光二极管)被插入并机械地保持在CMOS制造的光电检测器阵列的区域内。 插入的分立半导体光电发生器装置与在每个区域内露出的掩埋电接触焊盘电接触,以从阵列的多个光电探测器和分立的半导体光电发生器形成光激发/检测装置。
    • 6. 发明授权
    • Ultrasound diagnostic probe having acoustically driven turbin
    • 超音波诊断探头具有声驱动的涡卷
    • US5509418A
    • 1996-04-23
    • US373682
    • 1995-01-17
    • Paul LumMichael GreensteinEdward Verdonk
    • Paul LumMichael GreensteinEdward Verdonk
    • A61B8/12
    • A61B8/12A61B8/445A61B8/4461
    • A catheter apparatus for obtaining an image of internal surface characteristics of a vascular vessel is provided. The catheter apparatus comprises an tubular element adapted for insertion into the vascular vessel, a non-rotating acoustic waveguide disposed within the tubular element and coupled to a source of an ultrasonic signal located external to the vascular vessel, and an acoustically driven turbine. The turbine is responsive to the ultrasonic signal for directing the ultrasonic signal in a rotating pattern from a distal end of the acoustic waveguide through the tubular element at an angle relative to an axis of the vascular vessel. The ultrasonic signal includes a low frequency ultrasonic signal and a high frequency ultrasonic signal. The low frequency ultrasonic signal drives the acoustically driven turbine to direct the high frequency ultrasonic signal in the rotating pattern. The acoustically driven turbine comprises a plurality of turbine blades, and either an acoustic reflecting surface or an acoustic refracting lens. At least one transducer disposed external to the vascular vessel provides the source of the high and the low frequency ultrasonic signals. The tubular element may further be provided with a lumen for carrying a guidewire.
    • 提供一种用于获得血管容器的内表面特征的图像的导管装置。 导管装置包括适于插入血管容器的管状元件,设置在管状元件内并连接到位于血管容器外部的超声信号源的非旋转声波导,以及声驱动涡轮。 涡轮机响应于超声波信号,以相对于血管容器轴线成一定角度的方式将超声波信号从声波导管的远端引导通过管状元件。 超声波信号包括低频超声信号和高频超声波信号。 低频超声波信号驱动声驱动涡轮以引导旋转图案中的高频超声波信号。 声驱动涡轮机包括多个涡轮叶片,以及声反射表面或声折射透镜。 设置在血管容器外部的至少一个换能器提供高频和低频超声波信号的源。 管状元件还可以设置有用于承载导丝的内腔。
    • 9. 发明授权
    • Optical excitation/detection device and method for making same using discrete photoemitter devices
    • 光激励/检测装置及其使用离散光电发生器的方法
    • US06821793B2
    • 2004-11-23
    • US10668435
    • 2003-09-22
    • Edward VerdonkRichard J. PittaroShahida RanaDavid Andrew KingFrederick A. StawitckeRichard D. Pering
    • Edward VerdonkRichard J. PittaroShahida RanaDavid Andrew KingFrederick A. StawitckeRichard D. Pering
    • H01L2100
    • H01L27/14643H01L25/0753H01L25/167H01L2924/0002H01L2924/00
    • The disclosure is directed toward an optical excitation/detection device that includes an arrayed plurality of photodetectors and discrete photoemitters, as well as a method for making such a device. A CMOS fabricated photodetector array includes an arrayed plurality of photoreceptor areas and photoemitter areas, wherein each photoreceptor area includes a CMOS integrated photoreceptor and each photoemitter area includes at least two buried electric contact pads. The CMOS array is selectively etched back at the locations of the photoemitter areas for regions to reveal the buried contact pads. A plurality of discrete semiconductor photoemitter devices (such as, for example, light emitting diodes) are inserted into, and mechanically retained within, the regions of the CMOS fabricated photodetector array. The inserted discrete semiconductor photoemitter devices make electrical contact with the buried electric contact pads that are revealed within each of the regions to form the optical excitation/detection device from an arrayed plurality of photodetectors and discrete semiconductor photoemitters.
    • 本公开涉及包括阵列的多个光电探测器和分立光电发生器的光学激发/检测装置,以及用于制造这种装置的方法。 CMOS制造的光电检测器阵列包括阵列的多个感光体区域和光电发射器区域,其中每个感光体区域包括CMOS集成感光体,并且每个光电发射器区域包括至少两个埋入的电接触焊盘。 CMOS阵列在光电探测器区域的位置处被选择性地回蚀,用于区域以露出埋入的接触焊盘。 多个分立的半导体光电探测器装置(例如,发光二极管)被插入并机械地保持在CMOS制造的光电检测器阵列的区域内。 插入的分立半导体光电发生器装置与在每个区域内露出的掩埋电接触焊盘电接触,以从阵列的多个光电探测器和分立的半导体光电发生器形成光激发/检测装置。
    • 10. 发明授权
    • Device with aspherical compensation for focusing ultrasound
    • 具有聚焦超声的非球面补偿装置
    • US5640961A
    • 1997-06-24
    • US533430
    • 1995-09-25
    • Edward Verdonk
    • Edward Verdonk
    • G01N29/26A61B8/12G10K11/30G10K11/35H04R17/00A61B8/00
    • A61B8/12G10K11/30G10K11/355H04R17/00
    • An ultrasound probe having a substantially cylindrical acoustic case for intraluminal application in an object, a method of making such a probe, and a method of focusing ultrasound are provided. The probe has a substantially cylindrical acoustic case with a central axis and an ultrasonic transducer unit positioned in the acoustic case. The ultrasonic transducer unit is rotatable about the central axis of the acoustic case to transmit or receive ultrasonic beams in a direction at an angle to the central axis. The transducer unit has a transducer for generating or receiving ultrasound, a shaft operatively connected with the transducer and having an axis substantially coincident with the central axis for rotating the transducer around the central axis, and an aspherical lens coupled with the transducer in the acoustic case to reduce the distortion by the focusing effect of the acoustic case on ultrasound. In a preferred embodiment, the aspherical shape of the aspherical lens is determined by a method including: selecting a focal point at the target area as a hypothetical source of a hypothetical beam of ultrasound, calculating the velocity potential on the transducer based on the hypothetical beam of ultrasound, and calculating the aspherical shape of the aspherical lens based on the velocity potential.
    • 提供了具有用于管腔内应用于物体中的大致圆柱形声学病例的超声波探头,制造这种探针的方法以及聚焦超声波的方法。 探针具有基本上圆柱形的具有中心轴线的声学壳体和位于声学壳体中的超声换能器单元。 超声波换能器单元可围绕声学壳体的中心轴线旋转,以在与中心轴线成一角度的方向上发射或接收超声波束。 换能器单元具有用于产生或接收超声波的换能器,与换能器可操作地连接的轴,并且具有与中心轴基本重合的轴线,用于围绕中心轴线旋转换能器;以及非球面透镜,与换能器在声学壳体 以通过声学病例对超声波的聚焦效应来减少失真。 在一个优选实施例中,非球面透镜的非球面形状通过一种方法确定,该方法包括:选择目标区域上的焦点作为假想超声波束的假想源,基于假设光束计算换能器上的速度电位 的超声波,并且基于速度电位计算非球面透镜的非球面形状。