An ultrasound elastography technique based on multi-frequency shear wave amplitude analysis
A technology of ultrasonic elastography and shear wave, which is applied in the field of medical imaging to achieve high anti-interference, great application potential, and easy portability
Active Publication Date: 2022-04-26
交浦科技(深圳)有限公司
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[0008] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to improve the accuracy and anti-interference ability of measuring the shear modulus of biological tissue, and reduce the complexity of the equipment
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[0031] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.
[0032] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.
[0033] figure 1 It is a method flowchart of a preferred embodiment of the present invention. The method proposed by the present i...
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The invention discloses an ultrasonic elastic imaging technology based on multi-frequency shear wave amplitude analysis, and relates to the fields of medical imaging and man-machine interface. Modulate the excitation pulse of the shear wave to generate shear waves with different angular frequencies; measure the vibration amplitude of the particle in the tissue caused by the shear wave at different frequencies; measure the particle in the shear wave at different angular frequencies The vibration amplitudes are compared to obtain the shear wave angular frequency corresponding to the maximum particle vibration amplitude; according to the angular frequency, the shear wave velocity or the tissue shear modulus or the shear wave velocity and the tissue shear modulus are obtained. quantity. The present invention does not need to measure the absolute value of the amplitude, but the measurement of the relative value. Compared with the phase information commonly used in the prior art, the amplitude information has higher anti-interference when it is measured; and it can be measured through two Ultrasonic vibrator is realized, easy to realize portability, and has great application potential in the field of man-machine interface.
Description
technical field [0001] The invention relates to the field of medical imaging and the field of man-machine interface, in particular to an ultrasonic elastic imaging technology based on multi-frequency shear wave amplitude analysis. Background technique [0002] Ultrasound elastography is an emerging tissue imaging technology in recent years, which can be used to obtain the elasticity information of human tissue, and the normal tissue and diseased tissue of the human body show different elasticity, so this technology has been widely studied in the field of medical diagnosis and apply. [0003] On the other hand, the human-machine interface can collect physiological signals of the human body, and can obtain the motion intention of the human body through processing, which can be further used to control external devices. And tissues such as skeletal muscle also have different elastic coefficients under different exercise states. Therefore, ultrasound elastography can provide hu...
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IPC IPC(8): A61B8/00A61B8/08
CPCA61B8/485A61B8/08A61B8/5207A61B8/4444A61B8/4483
Inventor 刘洪海闫纪朋杨兴晨陈镇枫赵诣王志永
Owner 交浦科技(深圳)有限公司