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Intelligent guided wave elastography

An imaging and ultrasound imaging system technology, applied in the directions of ultrasound/sonic/infrasound image/data processing, sonic diagnosis, infrasound diagnosis, etc., can solve problems such as obstacles and imaging modalities that cannot consider complexity

Pending Publication Date: 2021-03-02
KONINKLJIJKE PHILIPS NV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accurate characterization of the stiffness of bounded tissue remains hampered by the inability of imaging modalities to account for the complexities associated with shear wave propagation through such tissue

Method used

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  • Intelligent guided wave elastography
  • Intelligent guided wave elastography
  • Intelligent guided wave elastography

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Embodiment Construction

[0022] The following description of certain exemplary embodiments is merely exemplary in nature and is in no way intended to limit the invention or its application or uses. In the following detailed description of embodiments of the present systems and methods, reference is made to the accompanying drawings, which form a part hereof and which show by way of illustration specific embodiments in which the described systems and methods may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the presently disclosed systems and methods, and it is to be understood that other embodiments may be utilized and structurally and logically implemented without departing from the spirit and scope of the present system. change. Also, for the sake of clarity, detailed descriptions of certain features will not be discussed in detail when those features would be obvious to those skilled in the art so as not to obscure the description ...

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Abstract

The present disclosure describes systems and methods configured to determine shear wave velocity and tissue stiffness levels of thin tissue of finite size, also referred to as bounded tissue, via shear wave elastography. Systems can include an ultrasound transducer configured to acquire echoes responsive to pulses transmitted toward a tissue. Systems can also transmit a push pulse into the tissuefor generating shear waves, and tracking pulses intersecting the shear waves. The system can also apply a directional filter to received echo data and generate directionally filtered shear wave data based on a dimension and angular orientation of the bounded target relative to the ultrasound transducer. The system can estimate velocities of the shear waves at different shear wave frequencies basedon the filtered shear wave data and angular orientation relative to the transducer, and determine a tissue stiffness value independent of the shape or form of the tissue.

Description

technical field [0001] The present disclosure relates to ultrasound systems and methods for determining the stiffness level of thin tissue of limited size (also known as bordered tissue) using shear wave elastography. Background technique [0002] Ultrasound shear wave elastography has been used to measure local stiffness levels in various tissues, which can provide valuable information for detecting tissue abnormalities and diagnosing conditions such as cancer or liver fibrosis. Ultrasound shear wave elastography typically involves sending a "push pulse" from a transducer into tissue, which generates a shear wave that propagates laterally through the tissue. Tracking pulses sent out by the transducer can then be used to measure the speed at which the shear wave propagates, which typically fluctuates based on the stiffness of the tissue. For example, shear wave velocities are generally slower in soft tissue than in hard tissue, assuming the exact same push pulse is used to ...

Claims

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Application Information

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IPC IPC(8): A61B8/08G01S7/52G01S15/89
CPCG01S7/52022G01S7/52042G01S15/8915A61B8/485G01S7/52087G01S7/52071A61B8/0858A61B8/463A61B8/5215A61B8/5269A61B8/543G01S7/52053
Inventor C·阿马多尔卡拉斯卡尔F·G·G·M·维尼翁S·金
Owner KONINKLJIJKE PHILIPS NV
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