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Soft tissue superelasticity characteristic representation method

A superelastic, soft tissue technology, applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, organ motion/change detection, etc. parameters, etc.

Active Publication Date: 2015-11-25
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned instruments and detection methods can only measure the elastic properties of the target soft tissue's initial shear modulus through detection and mechanical inversion, and cannot further obtain the hyperelastic characteristic parameters of biological soft tissues.

Method used

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  • Soft tissue superelasticity characteristic representation method
  • Soft tissue superelasticity characteristic representation method
  • Soft tissue superelasticity characteristic representation method

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Embodiment Construction

[0032] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the embodiments of the present invention, some technical features known in the art are not described.

[0033] In order to thoroughly understand the embodiments of the present invention, the detailed structure will be set forth in the following description. Obviously, the practice of the embodiments of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0034] Please refer to the picture figure 1 , figure 1 It is a flow chart o...

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Abstract

The invention discloses a soft tissue superelasticity characteristic representation method. The method comprises the following steps: on the basis of ultrasonic radiation force shear wave imaging technology, detecting the wave velocity of a shear wave spread in a target tissue under the press-in depth of a probe, and besides an elongation ratio lambda which is used for balancing deformation in a press-in direction, introducing a parameter xi to describe a deformation state in the transverse direction; and finally, introducing the detected parameters into an inversion formula so as to obtain superelasticity characteristic parameters of the target tissue.

Description

technical field [0001] The invention relates to the technical field of ultrasonic elastography, in particular to a soft tissue hyperelastic feature characterization method. Background technique [0002] Elastography is a method that can non-invasively monitor the mechanical properties of biological tissues. In the past twenty years since the concept was proposed in 1991, elastography, as a new type of medical detection method, has received extensive attention both in terms of method development and clinical application. Elastography mainly includes the following steps: [0003] 1: Apply external or internal incentives to the target soft tissue; [0004] 2: Through the existing medical imaging technology (such as ultrasound, nuclear magnetic resonance, etc.), detect the mechanical response of soft tissue to excitation, including deformation or shear wave propagation; [0005] 3: Through inverse analysis, the elastic or viscoelastic properties of soft tissue can be reversed...

Claims

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Application Information

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IPC IPC(8): A61B8/08
Inventor 曹艳平姜沂李国洋
Owner TSINGHUA UNIV
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