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Gradient coil for magnetic resonance imaging device and magnetic resonance imaging device

A technology of magnetic resonance imaging and gradient coils, which can be used in measuring devices, measuring magnetic variables, instruments, etc., and can solve the problems of large space, occupation, and consumption of more energy.

Inactive Publication Date: 2020-05-15
SIEMENS SHENZHEN MAGNETIC RESONANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this kind of cooling system will take up a lot of space and consume more energy when working

Method used

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  • Gradient coil for magnetic resonance imaging device and magnetic resonance imaging device
  • Gradient coil for magnetic resonance imaging device and magnetic resonance imaging device
  • Gradient coil for magnetic resonance imaging device and magnetic resonance imaging device

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Embodiment Construction

[0039] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings, in which the same reference numerals represent components with the same or similar structures but the same functions.

[0040] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0041] figure 1 It is a structural schematic diagram of a schematic embodiment of a gradient coil used in a magnetic resonance imaging device, wherein a partial cutout is made in order to clearly show the internal structure. As shown in the figure, the gradient coil includes a main coil 10 , a shielding coil 20 , several inserts 30 (only one of which is schematically shown in the figure) and a ...

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Abstract

The invention relates to a gradient coil for a magnetic resonance imaging device, comprising a main coil (10), a shielding coil (20), at least one insert (30) and a casting body (40). The main coil isused for forming a gradient imaging magnetic field. The shielding coil is arranged around the main coil and is separated from the main coil. The shielding coil is used for forming a gradient shielding magnetic field. Each insert comprises a phase change material and is arranged to be in contact with the main coil and / or the shielding coil. And the pouring main body, the main coil, the shielding coil and the at least one insert form a pouring whole through pouring so as to fix the mutual positions of the main coil, the shielding coil and the at least one insert. The gradient coil is small in temperature fluctuation in the using process, high in imaging quality, small in size and capable of saving energy. In addition, the invention further provides a magnetic resonance imaging device comprising the gradient coil.

Description

technical field [0001] The invention relates to a gradient coil for a magnetic resonance imaging device, in particular to a gradient coil with small temperature fluctuation, high imaging quality, smaller size and energy saving during use, and a magnetic resonance imaging device including the gradient coil . Background technique [0002] The gradient coil is one of the core components of the magnetic resonance imaging (MRI) system, and its main function is to generate an approximately linear gradient imaging magnetic field that can be switched rapidly in the imaging area. A gradient coil relies on its main coil to form this gradient imaging magnetic field. For the gradient coil used in the superconducting magnetic resonance imaging device, because the eddy current effect needs to be considered, a layer of shielding coil is often added outside the main coil to shield the magnetic field outside the gradient coil. [0003] During the use of the gradient coil, the wires in it w...

Claims

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Application Information

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IPC IPC(8): G01R33/385G01R33/421
CPCG01R33/385G01R33/4215
Inventor 薛廷强彭卫平
Owner SIEMENS SHENZHEN MAGNETIC RESONANCE
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