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Magnetic resonance scanning trigger method and device

A magnetic resonance scanning and magnetic resonance technology, which is used in magnetic resonance measurement, adjustment of magnetic variables, medical science, etc., can solve the problems of respiratory gating parameter setting, inability to obtain high-quality magnetic resonance images, and unreasonable problems. The effect of suppressing motion artifacts

Inactive Publication Date: 2018-06-22
SHANGHAI NEUSOFT MEDICAL TECH LTD
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Problems solved by technology

However, when the subject is currently scanned, it is found that the respiratory gating parameters are set unreasonably, and high-quality magnetic resonance images cannot be obtained.

Method used

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  • Magnetic resonance scanning trigger method and device
  • Magnetic resonance scanning trigger method and device
  • Magnetic resonance scanning trigger method and device

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Embodiment Construction

[0024] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0025] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a magnetic resonance scanning trigger method and device. The method includes the steps that a respiration curve of a subject is acquired, wherein the respiration curve comprisesmultiple respiration sub-curves, and each respiration sub-curve corresponds to one respiration period; based on the respiration sub-curves, respiration gating parameters in magnetic resonance sequences for controlling scanning are determined, wherein the respiration gating parameters comprise image acquisition time and acquisition delay time; based on the magnetic resonance sequences comprising the respiration gating parameters, the subject is controlled to be scanned. By means of the technical scheme, motion artifacts caused by respiration motion of the subject can be effectively restrained,and high-quality magnetic resonance images are obtained.

Description

technical field [0001] The present application relates to the technical field of magnetic resonance, and in particular to a magnetic resonance scan triggering method and device. Background technique [0002] Magnetic resonance imaging (Magnetic Resonance Imaging, MRI) is one of the main imaging methods in modern medical imaging. Magnetic resonance imaging technology uses the signal difference of various tissues in the human body in a strong magnetic field environment to generate images to display the internal structure of the human body. Provides clinicians with multiple tissue contrast, high-resolution images. Generally, MRI requires a long scan time, in this case, when MRI is performed on the chest and abdomen of the subject, the respiratory movement of the subject will have an impact on the image quality of the final MRI image. Adverse effects, such as blurring of MRI images and motion artifacts. Therefore, how to suppress the motion artifacts caused by the subject's re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055G01R33/28
CPCA61B5/055G01R33/28
Inventor 姜广煜徐威方一
Owner SHANGHAI NEUSOFT MEDICAL TECH LTD
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