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Magnetic resonance imaging direction judging method and device

A technology of magnetic resonance imaging and magnetic resonance scanning, which is applied in the fields of diagnosis, diagnostic recording/measurement, medical science, etc., can solve the problems of difficulty in guaranteeing the accuracy and the influence of manual judgment, so as to improve the accuracy and safety and save time. , the effect of high accuracy and safety

Active Publication Date: 2014-11-26
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

The disadvantage of this is that manual judgment is easily affected by the experience of the specific judgment personnel, and the accuracy is difficult to guarantee, and even if the operator can judge the imaging error based on the water model imaging results, it still needs enough experience to judge which one is wrong. Reasons for this error

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  • Magnetic resonance imaging direction judging method and device
  • Magnetic resonance imaging direction judging method and device
  • Magnetic resonance imaging direction judging method and device

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Embodiment Construction

[0034] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] figure 2 It is a flow chart of the magnetic resonance imaging orientation determination method of the present invention, which includes the following steps:

[0036] S101, performing magnetic resonance scanning on the sagittal, coronal and transverse planes of the asymmetrical water model;

[0037] S102, the system automatically compares the scanned image with the reference image, and judges whether the test is passed.

[0038] During the implementation of step S101, since the present invention is a QA method that automatically judges whether the imaging orientation is wrong according to the comparison between the magnetic resonance imaging results of the actual asymmetric water model and the expected results, in the actual implementation process, the installation and maintenance Used by service engineers in the QA program. F...

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Abstract

The invention provides a magnetic resonance imaging direction judging method and device. The magnetic resonance imaging direction judging method comprises the steps of carrying out magnetic resonance scanning on the vertical plane, the coronal plane and the cross section of an asymmetrical water phantom, automatically comparing an image acquired after scanning with a reference image, and judging whether the image acquired after scanning passes the test or not. By means of the magnetic resonance imaging direction judging method and device, the operation of a user is simplified, an installation and maintenance service engineer does not need to judge whether the image direction and the image position are correct or not any more, and user interaction is reduced; high accuracy and safety are achieved, manual judging is easily affected by the experience of specific judging people, and the accuracy is hard to guarantee. The automation method is adopted in the magnetic resonance imaging direction judging method and device, the difference of judging individuals is avoided, and the accuracy and safety are improved; the speed is higher, the automation program is adopted to carry out judgment, and time is saved.

Description

technical field [0001] The invention relates to the field of magnetic resonance imaging, in particular to a magnetic resonance imaging orientation judgment method and a device thereof. Background technique [0002] As a non-invasive imaging method, magnetic resonance imaging has been widely used in the field of clinical medical imaging. Especially compared to other medical imaging equipment: X-ray series products, CT, etc., magnetic resonance imaging does not produce ionizing radiation, and has better tissue contrast when scanning and imaging soft tissues. [0003] figure 1 It shows the components of the conventional magnetic resonance system, including host 1, spectrometer 2, gradient signal generator and amplifier 3, radio frequency signal generator and amplifier 4, water cooling system 5, active shimming power supply 6, radio frequency dynamic control and monitoring 7, RF receiving module 8 and other peripheral modules 9. The working process of magnetic resonance imagi...

Claims

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Application Information

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IPC IPC(8): A61B5/055
Inventor 张治国
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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