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A shear wave-based imaging method, system and device

An imaging method, shear wave technology, applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, sound wave diagnosis, etc., can solve unfavorable tissue lesion analysis without considering reflection , Unable to accurately analyze the uniformity of tissue hardness and other issues, to achieve the effect that is conducive to analysis

Active Publication Date: 2021-09-28
SONOSCAPE MEDICAL CORP
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Problems solved by technology

It can be seen that the existing technology detects the forward propagation speed of the shear wave from the shear wave excitation source, but in the actual propagation process of the shear wave, due to the difference in the hardness of different tissues, the shear wave will be different according to the different tissue hardness. The size of the difference, different degrees of reflection occur
Since the existing technology does not consider the reflection that occurs during the shear wave propagation process when detecting the shear wave speed, it is impossible to accurately analyze the uniformity of tissue hardness, which is not conducive to the analysis of tissue lesions

Method used

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Embodiment Construction

[0047] The core of the present invention is to provide a shear wave-based imaging method, system and device to obtain the shear wave propagation reflection coefficient of the shear wave detection area, so that the shear wave detection area can be accurately determined according to the shear wave propagation reflection coefficient The uniformity of tissue hardness is beneficial to the analysis of regional tissue lesions.

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without m...

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Abstract

The invention discloses an imaging method based on shear wave. Considering that in the actual propagation process of shear wave, due to the difference in hardness of different tissues, the shear wave will be different in different degrees according to the difference in hardness of different tissues. Reflection, so the reflection coefficient of shear wave propagation can directly and accurately reflect the uniformity of tissue hardness. Based on this, the present application obtains the shear wave propagation reflection coefficient of the shear wave detection area, so that the tissue hardness uniformity of the shear wave detection area can be accurately determined according to the shear wave propagation reflection coefficient, which is beneficial to the analysis of regional tissue lesions. The invention also discloses an imaging system and device based on shear waves, which have the same beneficial effect as the above-mentioned imaging method.

Description

technical field [0001] The invention relates to the field of tissue lesion analysis, in particular to an imaging method, system and device based on shear waves. Background technique [0002] Acoustic radiation force-based shear wave elastography is an ultrasound elastography technique for evaluating tissue elasticity, which is widely used in tissue lesion analysis. The principle of shear wave elastography technology based on acoustic radiation force is: after the probe emits high-energy ultrasonic waves to the tissue, under the action of the acoustic radiation force and the shear stress of the tissue, the tissue in a specific area will propagate to the surrounding area. Vibration, thus generating shear waves, and since there is a correlation between tissue hardness and shear wave velocity, the tissue hardness can be analyzed by detecting the shear wave velocity, and then determine whether there is a tissue lesion. [0003] In the prior art, the shear wave speed detection pr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/08
CPCA61B8/08A61B8/0833A61B8/485
Inventor 刘德清朱超超冯乃章
Owner SONOSCAPE MEDICAL CORP
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