Ultrasound Three-Dimensional (3-D) Segmentation

    公开(公告)号:US20200093464A1

    公开(公告)日:2020-03-26

    申请号:US16139279

    申请日:2018-09-24

    申请人: B-K Medical Aps

    摘要: An ultrasound imaging system includes a beamformer configured to generate 2-D images offset from each other based on sweeping motion of a transducer array during a 3-D ultrasound imaging procedure producing volumetric data. The ultrasound imaging system further includes a 2-D mask processor configured to generate a 2-D mask image for each of the 2-D images. Each of the 2-D mask images includes a contour of a predetermined structure of interest in the volumetric data. The ultrasound imaging system further includes a 3-D mask processor configured to segment the structure from the 3-D image with the 2-D mask images, generating a 3-D segmentation.

    Image Fusion-Based Tracking without a Tracking Sensor

    公开(公告)号:US20220087638A1

    公开(公告)日:2022-03-24

    申请号:US17024954

    申请日:2020-09-18

    申请人: B-K Medical ApS

    IPC分类号: A61B8/08 G01S15/89 G01S7/52

    摘要: An ultrasound imaging system include a console with transmit circuitry configured to generate an excitation electrical pulse that excites transducer elements of a probe to produce an ultrasound pressure field and configured to receive an echo signal generated in response to the ultrasound pressure field interacting with tissue. The console further includes receive circuitry configured to convert the echo signal into an electrical signal, and an echo processor configured to generate a live ultrasound image based on the electrical signal into. The console further includes a tracking processor configured to extract, in real-time, a feature common to both the live ultrasound image and previously generated volumetric image data from at least the live ultrasound image, and register, in real-time, the live ultrasound image with previously generated volumetric image data based on the common feature extracted in real-time to create the fused image. A display displays the fused image.

    3-D Ultrasound Imaging with Multiple Single-Element Transducers and Ultrasound Signal Propagation Correction

    公开(公告)号:US20190072671A1

    公开(公告)日:2019-03-07

    申请号:US16081228

    申请日:2016-03-01

    申请人: B-K Medical Aps

    IPC分类号: G01S15/89 A61B8/00 G01S7/52

    摘要: A method includes receiving first electrical signals from a first single-element transducer (1121) and second electrical signals from a second single-element transducer (1122). The transducers are disposed on a shaft (110), which has a longitudinal axis (200), of an ultrasound imaging probe (102) with transducing sides disposed transverse to and facing away from the longitudinal axis. The transducers are angularly offset from each other on the shaft by a non-zero angle. The transducers are operated at first and second different cutoff frequencies. The shaft concurrently translates and rotates while the transducers receive the first and second ultrasound signals. The method further includes delay and sum beamforming, with first and second beamformers (1201, 1202), the first and second electrical signals, respectively via different processing chains (7121, 7122), employing an adaptive synthetic aperture technique, producing first and second images. The method further includes combining the first and second images, creating a final image, and displaying the final image.

    Ultrasound three-dimensional (3-D) segmentation

    公开(公告)号:US10779798B2

    公开(公告)日:2020-09-22

    申请号:US16139279

    申请日:2018-09-24

    申请人: B-K Medical Aps

    摘要: An ultrasound imaging system includes a beamformer configured to generate 2-D images offset from each other based on sweeping motion of a transducer array during a 3-D ultrasound imaging procedure producing volumetric data. The ultrasound imaging system further includes a 2-D mask processor configured to generate a 2-D mask image for each of the 2-D images. Each of the 2-D mask images includes a contour of a predetermined structure of interest in the volumetric data. The ultrasound imaging system further includes a 3-D mask processor configured to segment the structure from the 3-D image with the 2-D mask images, generating a 3-D segmentation.

    Spatial delay beamformation
    6.
    发明授权

    公开(公告)号:US10901084B2

    公开(公告)日:2021-01-26

    申请号:US15388259

    申请日:2016-12-22

    申请人: B-K Medical Aps

    IPC分类号: G01S15/89 G01S7/52 G10K11/34

    摘要: An ultrasound imaging includes a beamformer configured to process ultrasound echo signals generated by the plurality of elements of a transducer array. The beamformer includes a delay processor configured to generate a delay for each of the signals and apply the delays to corresponding signals and a summer configured to sum the delayed signals to produce an image. The delay processor includes a spatio-temporal processor configured to computed delays based on time-of-flight calculations from a center of the elements to one of a transmit focal point, a virtual source or a plane, a spatial correction processor configured to compute delay corrections for the computed delays, an adder configured to add the delay corrections to the computed delays to produce corrected delays, and a delay component configured to delay each of the signals with a corresponding corrected delay.

    Synthetic fine-pitch ultrasound imaging

    公开(公告)号:US10697939B2

    公开(公告)日:2020-06-30

    申请号:US15910115

    申请日:2018-03-02

    申请人: B-K Medical Aps

    IPC分类号: G01N29/265 G01N29/24

    摘要: An ultrasound imaging system includes an imaging probe including an array with a plurality of elements and a drive system configured to move the transducer array with a first pitch during data acquisition. A console includes a transmit circuit configured to excite the elements to transmit a first sequence of different sub-sets of the elements and then a second sequence, wherein the plurality of elements is offset from each other by a predetermined shift for the sequences. The console further includes a receive circuit configured to receive echo signals from the elements for the sequences. The console further includes a processor configured to beamform the received signals for the sequences and generate scanlines for the sequences and configured to combine pairs of scanlines across the sequences to produce a single sequence with a second pitch that is less than the first pitch.

    Ultrasound imaging with multiple single-element transducers and ultrasound signal propagation correction using delay and sum beamforming based on a cross-correlation function

    公开(公告)号:US11372103B2

    公开(公告)日:2022-06-28

    申请号:US16081228

    申请日:2016-03-01

    申请人: B-K Medical Aps

    摘要: A method includes receiving first electrical signals from a first single-element transducer (1121) and second electrical signals from a second single-element transducer (1122). The transducers are disposed on a shaft (110), which has a longitudinal axis (200), of an ultrasound imaging probe (102) with transducing sides disposed transverse to and facing away from the longitudinal axis. The transducers are angularly offset from each other on the shaft by a non-zero angle. The transducers are operated at first and second different cutoff frequencies. The shaft concurrently translates and rotates while the transducers receive the first and second ultrasound signals. The method further includes delay and sum beamforming, with first and second beamformers (1201, 1202), the first and second electrical signals, respectively via different processing chains (7121, 7122), employing an adaptive synthetic aperture technique, producing first and second images. The method further includes combining the first and second images, creating a final image, and displaying the final image.

    SPATIAL DELAY BEAMFORMATION
    10.
    发明申请

    公开(公告)号:US20180180727A1

    公开(公告)日:2018-06-28

    申请号:US15388259

    申请日:2016-12-22

    申请人: B-K Medical Aps

    IPC分类号: G01S7/52 G01S15/89

    摘要: An ultrasound imaging includes a beamformer configured to process ultrasound echo signals generated by the plurality of elements of a transducer array. The beamformer includes a delay processor configured to generate a delay for each of the signals and apply the delays to corresponding signals and a summer configured to sum the delayed signals to produce an image. The delay processor includes a spatio-temporal processor configured to computed delays based on time-of-flight calculations from a center of the elements to one of a transmit focal point, a virtual source or a plane, a spatial correction processor configured to compute delay corrections for the computed delays, an adder configured to add the delay corrections to the computed delays to produce corrected delays, and a delay component configured to delay each of the signals with a corresponding corrected delay.