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    • 4. 发明申请
    • SYSTEM AND METHOD FOR INTERVENTIONAL ACOUSTIC IMAGING
    • 用于介入声学成像的系统和方法
    • WO2017114701A1
    • 2017-07-06
    • PCT/EP2016/082045
    • 2016-12-21
    • KONINKLIJKE PHILIPS N.V.
    • ERKAMP, Ramon QuidoNGUYEN, ManROBERT, Jean-LucHUANG, Sheng-WenBHARAT, ShyamKRUECKER, Jochen
    • A61B8/08A61B8/00G01S15/89
    • A61B8/0841A61B8/4483G01S7/52049G01S15/8915G01S15/8927
    • A system includes an acoustic probe and an acoustic imaging machine connected to the acoustic probe. The acoustic probe has a substrate with first and second principal surfaces, at least one device insertion port comprising an opening passing through the substrate from the first principal surface to the second principal surface, and an array of acoustic transducer elements supported by the substrate and disposed around the at least one device insertion port. The acoustic imaging machine is configured systematically vary the size and/or position of the active acoustic aperture of the ultrasound probe by providing transmit signals to selected acoustic transducer elements to cause the array of acoustic transducer elements to transmit an acoustic probe signal to an area of interest, and recording a feedback signal of the transmit signals from an acoustic receiver (610) provided at a distal end of an interventional device passed through the device insertion port into the area of interest. An active acoustic aperture having optimal acoustic performance in regard of the interventional device in a particular location within the area of interest may be found in this way.
    • 系统包括声学探针和连接到声学探针的声学成像机器。 声探头具有带第一和第二主表面的基片,至少一个装置插入口包括从第一主表面到第二主表面穿过基片的开口,以及声换能器元件的阵列, 围绕至少一个设备插入端口。 声学成像机被配置为通过向选定的声学换能器元件提供发射信号来系统地改变超声波探头的有源声学孔径的尺寸和/或位置,以使得声学换能器元件的阵列将声学探针信号发射到 并且将来自设置在介入设备的远端处的声学接收器(610)的发送信号的反馈信号记录为穿过设备插入端口进入感兴趣的区域。 可以以这种方式找到关于感兴趣区域内的特定位置中的介入设备具有最佳声学性能的主动声学孔径。
    • 7. 发明申请
    • LUNG TISSUE IDENTIFICATION IN ANATOMICALLY INTELLIGENT ECHOCARDIOGRAPHY
    • 解剖智力心理学中的肺组织鉴定
    • WO2014207611A1
    • 2014-12-31
    • PCT/IB2014/062321
    • 2014-06-18
    • KONINKLIJKE PHILIPS N.V.
    • HUANG, Sheng-WenRADULESCU, Emil GeorgeERKAMP, Ramon Quido
    • A61B8/08G01S7/52G01S15/89
    • A61B8/0858A61B8/085A61B8/14A61B8/463A61B8/48A61B8/5215A61B8/5223G01S7/52036G01S7/52038G01S7/52071G01S15/8925
    • Issuance of ultrasound pulses to a volume and receiving echo data is followed by estimating, based on the received data, center frequency subvolume-by-subvolume. Distinguishing between heart and lung tissue occurs based on a result of the estimating, and may include automatically identifying a spatial boundary (332) between the heart and lung tissue (324, 328), or a user display of center frequencies that allows for visual distinguishing. The issuance can include issuing, ray line by ray line, pair-wise identical, and/or pair-wise mutually inverted, ultrasound pulses. Center frequency calculations may be made for incremental sampling locations of respective imaging depth along each of the A-lines generated from echo data of the rays. The distinguishing might entail averaging center frequencies for locations along an A-line, and applying a central frequency threshold to the average. The leftmost of the qualifying A-lines, i.e., that meet the threshold, may determine the spatial boundary in the current imaging plane.
    • 将超声脉冲发送到体积并接收回波数据之后,基于接收的数据估计中心频率子体积的子体积。 基于估计的结果区分心脏和肺组织,并且可以包括自动识别心脏和肺组织(324,328)之间的空间边界(332),或者允许视觉区分的中心频率的用户显示 。 发行可以包括通过射线,线对相同和/或成对相互反转的超声脉冲发出射线。 可以对沿着从光线的回波数据生成的每个A线的各个成像深度的增量采样位置进行中心频率计算。 区分可能需要沿着A线的位置平均中心频率,并将中心频率阈值应用于平均值。 合格的A行的最左边,即满足阈值,可以确定当前成像平面中的空间边界。
    • 8. 发明申请
    • SAFETY MECHANISM FOR PHOTOACOUSTIC IMAGING SYSTEM
    • 光电成像系统的安全机制
    • WO2014115042A1
    • 2014-07-31
    • PCT/IB2014/058033
    • 2014-01-03
    • KONINKLIJKE PHILIPS N.V.
    • ERKAMP, Ramon QuidoJANKOVIC, LadislavERPELDING, Todd Nicholas
    • A61B5/00
    • A61B5/0095A61B5/6844
    • A photoacoustic imaging apparatus includes: a light generator configured to produce a light beam; an imaging probe configured to deliver the light beam to a region of interest, the imaging probe including one or more acoustic transducer elements configured to receive an acoustic signal from the region of interest; and a processor configured to determine whether the imaging probe is uncovered, and to disable the light beam from being transmitted by the imaging probe when the processor determines that the imaging probe is uncovered. In some embodiments, the processor determines whether the imaging probe is uncovered based on data generated from the acoustic transducer elements. In some embodiments, the data is generated from the acoustic signal received by the acoustic transducer elements.
    • 光声成像装置包括:光发生器,被配置为产生光束; 被配置为将光束传送到感兴趣区域的成像探针,所述成像探针包括被配置为从感兴趣区域接收声信号的一个或多个声换能器元件; 以及处理器,其被配置为当所述处理器确定所述成像探针未被覆盖时,确定所述成像探针是否被覆盖,并且禁止所述光束被所述成像探针传输。 在一些实施例中,处理器基于从声换能器元件产生的数据来确定成像探针是否被覆盖。 在一些实施例中,数据是由声换能器元件接收的声信号产生的。