A Novel MRI Flexible Metamaterial Body Coil

A metamaterial and body coil technology, applied in the field of MRI, can solve problems such as inability to image, achieve the effect of enhancing magnetic signal and improving comfort

Active Publication Date: 2016-03-23
KUANG CHI INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The receiving coil of the existing nuclear magnetic resonance imaging equipment must be quite close to the part to be tested in order to obtain the magnetic signal released by the part to be tested, which cannot produce high-quality imaging for some special parts

Method used

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  • A Novel MRI Flexible Metamaterial Body Coil
  • A Novel MRI Flexible Metamaterial Body Coil
  • A Novel MRI Flexible Metamaterial Body Coil

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Experimental program
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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] see figure 1 , the present invention provides a novel MRI flexible metamaterial body coil, which includes a coil body 6 and a flexible metamaterial panel 7 integrated with the coil body 6 . The coil body 6 is provided with a receiving coil for receiving radio frequency signals, and the coil body 6 is a prior art, and will not be repeated here. Such as figure 2 and image 3 As shown, the flexible metamaterial panel 7 includes a substrate 4 and a plurality of first magnetic artificial microstructures 1 and second magnetic artificial microstructures 2 arranged in periodic arrays on both sides of the substrate 4. The substrate 4 is a flexible substrate. A magnetic artificial microstructure 1 and a second magnetic artificial microstructure 2 are connected through metal vias 3 . The flexible metamaterial panel 7 is embedded in the protective lay...

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Abstract

The invention provides a novel MRI flexible metamaterial coil. The coil comprises a coil body and a flexible metamaterial panel, wherein the flexible metamaterial panel and the coil body are connected integrally, the flexible metamaterial panel comprises a substrate and a plurality of first magnetic artificial microstructures and second magnetic artificial microstructures which are arrayed on two sides of the substrate periodically, the substrate is a flexible, and the first magnetic artificial microstructures and the second magnetic artificial microstructures are connected through metal through-holes. The artificial microstructures of the flexible metamaterial panel are magnetic microstructures, the frequency of the magnetic microstructures under the condition of negative magnetic permeability is identical to the MRI working frequency, magnetic signals received by the receiving coils are strengthened, besides, the substrate is flexible, and the coil can not only abut against a tested portion which has a complex shape, but also improve the comfort level of users.

Description

technical field [0001] The invention relates to the field of MRI, in particular to a novel MRI flexible metamaterial body coil. Background technique [0002] Metamaterials refer to some artificial composite structures or composite materials with extraordinary physical properties that natural materials do not have. Through the orderly design of the structure of the key physical scale of the material, the limitations of some apparent natural laws can be broken through, so as to obtain the supernormal material function beyond the ordinary properties inherent in nature. The properties and functions of metamaterials are mainly derived from their internal structure rather than the materials from which they are composed. [0003] The full name of MRI is Magnetic Resonance Imaging (Magnetic Resonance Imaging). Magnetic Resonance Imaging is a type of tomographic imaging. It uses magnetic resonance phenomena to obtain electromagnetic signals from the human body and reconstruct human ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/36
Inventor 刘若鹏栾琳郭洁刘豫青
Owner KUANG CHI INST OF ADVANCED TECH
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