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Ultrasonic viscoelasticity measurement method and system

A measurement method and technology of measurement system, which are applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic diagnosis, ultrasonic/sonic/infrasonic image/data processing, etc., and can solve problems such as detection depth limitation

Inactive Publication Date: 2016-10-26
SHENZHEN UNIV
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Problems solved by technology

[0007] In view of the shortcomings of the above-mentioned prior art, the object of the present invention is to provide an ultrasonic viscoelasticity measurement method and system, aiming to solve the problem of limited detection depth in the prior art method of ultrasonic pulse detection echo signal

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  • Ultrasonic viscoelasticity measurement method and system

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Embodiment Construction

[0049] The present invention provides a method and system for measuring ultrasonic viscoelasticity. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0050] Please refer to figure 1 , which is a flowchart of a preferred embodiment of the ultrasonic viscoelasticity measurement method of the present invention. Such as figure 1 Shown, described ultrasonic viscoelasticity measurement method, comprises the following steps:

[0051] Step S100, an arbitrary signal generator simultaneously generates the original tissue excitation signal and the ultrasound transducer excitation signal;

[0052] Step S200, the original tissue excitation signal is amplified ...

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Abstract

The invention provides a method and system for measuring ultrasonic viscoelasticity. The method includes: an arbitrary signal generator simultaneously generates an original tissue excitation signal and an ultrasonic transducer excitation signal; the original tissue excitation signal is amplified and then loaded on a micro-actuator , and apply the vibration of the specified waveform to the specified tissue through the vibrating rod, so that shear waves are generated in the tissue; the ultrasonic transducer excitation signal is sent by the ultrasonic receiving / transmitting system to drive the ultrasonic transducer, and the ultrasonic transducer emits The original echo signal obtained by the ultrasonic wave reflected and scattered by the tissue is received by the ultrasonic transducer, and transmitted to the acquisition card through the ultrasonic receiving / transmitting system; according to the pulse echo processing algorithm, and the echo signal, The propagation velocity of the shear wave in the tissue is obtained; according to the viscoelastic data model of the tissue and the propagation velocity of the shear wave in the tissue, the elastic data and viscous data of the tissue are obtained. The invention applies the coding detection technology to the ultrasonic transient elasticity imaging system to increase the detection depth.

Description

technical field [0001] The invention relates to the technical field of viscoelasticity measurement, in particular to an ultrasonic viscoelasticity measurement method and system. Background technique [0002] Typically, tissue lesions result in changes in tissue viscoelasticity. Therefore, the quantitative measurement of tissue elasticity and viscosity has certain reference value for the clinical diagnosis of diseases, and elastography technology came into being. The basic principle of elastography is: to apply an internal (including its own) or external dynamic or static / quasi-static excitation to the tissue, under the action of physical laws such as elastic mechanics and biomechanics, the tissue will produce a response, such as displacement, There are certain differences in the distribution of strain and velocity. Tissue with a higher modulus of elasticity, ie harder, will strain less, or vibrate at a lower amplitude or velocity. Using methods such as ultrasound imaging,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08
CPCA61B8/0858A61B8/485A61B8/5207
Inventor 刁现芬朱菁覃正笛陈思平
Owner SHENZHEN UNIV
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