Ultrasonic elastography cornea detection method, device and system and storage medium

Abstract

The invention discloses an ultrasonic elastography cornea detection method, device and system and a storage medium. The method comprises the steps of controlling an ultrasonic probe to send an acoustic radiation force pulse to a to-be-detected cornea according to an elastography setting parameter, so as to generate a lamb wave, wherein the ultrasonic probe at least comprises two channel array elements; controlling the ultrasonic probe to be in the cornea to be detected, transmitting a detection pulse and acquiring a pulse echo signal; determining lamb wave propagation characteristic data of the cornea to be measured corresponding to the region-of-interest parameter according to the pulse echo signal; and generating a two-dimensional lamb wave group velocity diagram and / or determining the viscoelasticity value of the cornea to be measured according to the lamb wave propagation characteristic data. According to the embodiment of the invention, the ultrasonic probes of the multichannel array elements excite the cornea to obtain the propagation characteristics of the lamb waves, and the biomechanical characteristics of the cornea are determined according to the propagation characteristics of the lamb waves in the cornea, so that the clinical detection of the cornea is realized, the resolution of detection imaging is improved, and the accuracy of a detection result is enhanced.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of computer applications, and in particular, to an ultrasonic elastography cornea detection method, device, system and storage medium. Background technique [0002] The incidence of keratoconus in the population is 5 in 1,000 and usually results in highly irregular astigmatism and varying degrees of visual impairment. When keratoconus occurs, the corneal tissue will gradually thin, and its shape will gradually change from a normal circle to a cone, and the front end of the corneal tissue will be more prominent, forming a cone. Keratoconus is present in all ethnic groups and affects both men and women equally. The onset of primary keratoconus is usually early in adulthood, and the disease progresses for 10-20 years. The incidence of keratoconus is mainly in the career rise and child-rearing period of patients, so the impact of keratoconus on the life of patients may be much more seriou...

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the excitation acquisition step needs to be performed three times, and the operation is cumbersome

In the existing measurement schemes, the measurement of the biomechanical properties of the cornea is obtained through in vitro experiments. The in vitro corneal measurement experiments can include axial mechanical stretching experiments and expansion experiments, but these two methods will cause damage to the cornea. Destruction of reversal, can not be applied to clinical diagnosis

A method for clinical diagnosis of corneal biomechanical properties is currently lacking

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