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Method for acquiring brand new diffusion magnetic resonance imaging contrast ratio and application of method

A magnetic resonance imaging and contrast technology, which is applied in the fields of application, medical science, diagnosis, etc., can solve the problems that are not applicable to the complex diffusion environment of living cells

Active Publication Date: 2016-03-16
PEKING UNIV
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, the conventional diffusion magnetic resonance theory is not suitable for complex diffusion environments such as living cells

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  • Method for acquiring brand new diffusion magnetic resonance imaging contrast ratio and application of method
  • Method for acquiring brand new diffusion magnetic resonance imaging contrast ratio and application of method
  • Method for acquiring brand new diffusion magnetic resonance imaging contrast ratio and application of method

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Embodiment Construction

[0056] In the following description, numerous specific details are given to facilitate a more thorough understanding of the present invention to those skilled in the art. It should be understood that what is disclosed herein is only a representative preferred embodiment. Apparently, the present invention is not limited to any specific structures, functions, devices and methods described herein, and may also have other implementations or combinations of other implementations. The number of elements described in the present invention is also conceivable in plural unless expressly limited to a singular number. In addition, in order to avoid confusion between other examples and the present invention, some technical features and details well known in the art have not been described.

[0057] The invention establishes a diffusion magnetic resonance theory based on a fractional motion model. This theory is applicable to the analysis of magnetic resonance signals in various diffusio...

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Abstract

The invention discloses a method for acquiring a brand new diffusion magnetic resonance imaging contrast ratio and an application of the method. Starting from the path integral formula of a fractional motion model, a signal analytical expression of diffusion magnetic resonance is obtained on the premise of making no hypothesis or approximation. The problem that a diffusion magnetic resonance signal in a living body cannot be described well based on the classical diffusion magnetic resonance theory is solved, and the theoretical blank on the aspect is filled in. The method for acquiring the brand new diffusion magnetic resonance imaging contrast ratio based on the theory is provided. Through data analysis, diffusion parameters related to water molecular movement can be obtained, and the image contrast ratio different from a traditional structure image can be provided through images of the parameters. The method and the application of the method are suitable for all fields relevant to disease diagnosis.

Description

technical field [0001] The invention relates to the field of magnetic resonance imaging, in particular to a method for obtaining a brand-new diffusion magnetic resonance imaging contrast based on a fractional motion model and an application thereof. Background technique [0002] Diffusion Magnetic Resonance Imaging (diffusionMagneticResonanceImaging, diffusionMRI) is a special form of magnetic resonance imaging. It is currently the only method that can detect the diffusion properties of water molecules in living organisms in vivo and non-invasively. Since its birth, it has been widely used in various research fields, such as oil exploration, porous media pore size measurement, etc. In addition, clinically, diffusion magnetic resonance imaging can reveal changes in the brain or various parts of the body related to tumors, strokes, multiple sclerosis, schizophrenia and other related diseases. In order to describe the direction dependence of the diffusion of water molecules i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055
Inventor 高家红范阳
Owner PEKING UNIV