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Ultrasonic imaging method, ultrasonic elastography methods and miniature ultrasonic device

An ultrasonic imaging method and ultrasonic technology, applied in the field of ultrasound, can solve the problem that the circular cross-sectional imaging of the circular target area cannot be realized, and achieve the effect of fast shear wave elastography and fast imaging speed

Inactive Publication Date: 2019-07-02
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, the technical problem to be solved by the present invention is that the existing B-mode ultrasonic imaging method cannot realize the annular cross-sectional imaging of the annular target area

Method used

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  • Ultrasonic imaging method, ultrasonic elastography methods and miniature ultrasonic device
  • Ultrasonic imaging method, ultrasonic elastography methods and miniature ultrasonic device
  • Ultrasonic imaging method, ultrasonic elastography methods and miniature ultrasonic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0099] This embodiment provides an ultrasonic beam synthesis method, such as Figure 4 shown, including the following steps:

[0100] S11: Obtain the distance between the at least two series-connected ultrasonic transducer arrays and the target focal point and the initial wave velocity of the ultrasonic waves in the target area, each transducer in the ultrasonic transducer arrays faces the same plane. In this embodiment, in order to improve the focusing effect of the ultrasonic velocity and improve the energy utilization rate, the normal lines at the centers of the at least two series-connected ultrasonic transducer arrays are preferably located in the same plane, and the centers of each ultrasonic transducer array are in line with the target The included angle between the line connecting the focus points and the normal line is preferably smaller than a preset angle.

[0101] S12: Obtain the initial transmission parameters of each ultrasonic transducer array according to the ...

Embodiment 2

[0122] Such as Figure 7 As shown, the present embodiment provides an ultrasonic imaging method, comprising the following steps:

[0123] S21: Using multiple ultrasonic transducers in the same ring direction to transmit a plane wave composed of non-focused ultrasonic beams to the target area and receive ultrasonic echo signals, the target area includes an annular target area;

[0124] S22: Obtain a cross-sectional ultrasound image of the target area according to the ultrasound echo signal.

[0125] Specifically, the above-mentioned multiple ultrasonic transducers in the same circular direction form an ultrasonic circular transducer array. In this implementation, the ultrasonic hoop transducer array is arranged coaxially with the annular target area, and the ultrasonic hoop transducer array is used to emit non-focused plane waves and receive ultrasonic echo signals, so that the ultrasonic hoop transducer array The cross-sectional imaging of the target area in the axial direct...

Embodiment 3

[0139] Such as Figure 10 As shown, the present embodiment provides a method for ultrasonic elastography, comprising the following steps:

[0140] S31: Use multiple annular ultrasonic transducer arrays coaxially connected in series to transmit non-focused ultrasonic plane waves to the target area to obtain initial ultrasonic echo signals at different circumferential positions of the target area, and the annular ultrasonic transducer array is also set For multiple ultrasonic transducers on the same ring, the target area includes a circular target area, or a non-closed arc target area;

[0141] S32: Transmitting a shear wave excitation beam along at least one radial direction of the target area, such as Figure 11 shown;

[0142] S33: using a plurality of circular ultrasonic transducer arrays to transmit non-focused ultrasonic plane waves to the target area to obtain ultrasonic echo signals at different circumferential positions of the target area after the shear wave is gener...

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Abstract

The invention provides an ultrasonic imaging method, an ultrasonic elastography method and a miniature ultrasonic device, which belong to the technical field of ultrasound. The ultrasonic imaging method includes the following steps: by utilizing a plurality of ultrasonic transducers in a same ring direction, a plane wave formed by an non-focused ultrasonic beam is transmitted to a target area, andan ultrasonic echo signal is received, wherein the target area includes a circular target area; and according to the ultrasonic echo signal, cross-sectional ultrasound imaging of the target area is obtained. Compared with an existing B-mode ultrasonic imaging method, the method provided by the invention can achieve circular cross-sectional imaging of the circular target area, and is fast in imaging speed.

Description

technical field [0001] The invention relates to the field of ultrasonic technology, in particular to an ultrasonic imaging method, an ultrasonic elastic imaging method and a miniature ultrasonic device. Background technique [0002] The existing B-mode ultrasound imaging method cannot achieve circular cross-sectional imaging of the circular target area. Contents of the invention [0003] Therefore, the technical problem to be solved by the present invention is that the existing B-mode ultrasonic imaging method cannot realize the annular cross-sectional imaging of the annular target area. [0004] For this reason, the embodiment of the present invention provides following technical scheme: [0005] A method of ultrasound imaging, comprising the steps of: [0006] Using multiple ultrasonic transducers on the same ring to transmit plane waves composed of non-focused ultrasonic beams to the target area and receive ultrasonic echo signals, the target area includes an annular ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00
CPCG10K11/34G10K11/346G01S7/52G01S15/89A61B8/4494A61B8/485G01S7/52042
Inventor 焦阳崔崤峣顾天明简小华徐杰
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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