Ultrasonic elasticity detection equipment and shear wave elasticity imaging method and device

Abstract

Ultrasonic elasticity detection equipment and a shear wave elasticity imaging method are disclosed. An ultrasound probe (101) is controlled to emit ultrasound to the region of interest of the target tissue (108) for a first time period (T1) to detect the first shear wave passing through the region of interest, and the echo of the ultrasonic wave is received to obtain a first collected sample (step11); a second time period (T2) is obtained according to the first collected sample (step 13); the ultrasound probe (101) is controlled to emit ultrasound to the region of interest of the target tissue (108) for a second time period (T2) to detect the second shear wave passing through the region of interest, and the echo of the ultrasonic wave is received to obtain a second collected sample (step15); and the elasticity parameter of the region of interest is calculated based on multiple data in the first collected sample and the second collected sample (step 18). The method of automatically optimizing the time of collecting multiple samples during the sample collection process can be adopted to improve the collection efficiency of ultrasonic elasticity detection and further improve the validity of the shear wave elasticity imaging results.

Description

technical field [0001] The invention relates to ultrasonic equipment, in particular to an ultrasonic elasticity detection equipment and a shear wave elasticity imaging method. Background technique [0002] Shear wave elastography is an emerging tissue imaging technique. Some mechanical properties of biological tissues, such as tissue elasticity, can be determined through shear wave elastography. Furthermore, the elastic information obtained can assist in determining whether the target tissue is compatible with It is associated with certain pathological symptoms, such as auxiliary detection of tissue cancer lesions, discrimination between benign and malignant, prognosis recovery evaluation, fibrosis degree of certain tissues and organs (such as liver), etc. [0003] The basic principle of shear wave elastography is to generate shear waves in the target tissue, and at the same time continuously transmit ultrasonic waves to the region of interest of the target tissue for a peri...

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Problems solved by technology

However, doctors are often affected by factors such as breathing, and it is difficult to maintain a stable posture holding the probe, so it is difficult to obtain multiple samples of the same section

However, the shear wave characteristic parameters (eg, shear wave propagation velocity) of different slices may vary due to different tissue properties and are not statistically significant

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