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Sub-cooled superconductor gradient coil module applicable to magnetic resonance imaging

A magnetic resonance imaging and gradient coil technology, applied in the fields of application, measurement of magnetic variables, medical science, etc., can solve the problems of high procurement and maintenance costs of high magnetic field systems, improve magnetic field gradient and spatial resolution, save cooling water, The effect of reducing power consumption and heat generation

Active Publication Date: 2011-05-18
美时医疗技术(上海)有限公司
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Problems solved by technology

[0009] In addition, an important factor affecting the wider application of MRI technology is the high procurement and maintenance costs of high magnetic field systems

Method used

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  • Sub-cooled superconductor gradient coil module applicable to magnetic resonance imaging
  • Sub-cooled superconductor gradient coil module applicable to magnetic resonance imaging
  • Sub-cooled superconductor gradient coil module applicable to magnetic resonance imaging

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Embodiment Construction

[0020] In view of the description below, those skilled in the art will appreciate that cryogenically cooled superconducting gradient coil modules (e.g., inserts) according to various embodiments of the present invention can be implemented in a variety of magnetic resonance imaging and spectroscopy systems, such as with conventional RF copper coils systems with superconducting RF coils, whole-body systems, specialized systems (such as MRI machines for joints, heads, pets, babies, etc.), systems with vertically or horizontally oriented main magnetic fields, open or closed systems, etc. . Likewise, it is well known to those skilled in the art that although the aspects described below can all be addressed in an MRI system for structural examination of a patient, cryogenically cooled superconducting gradient coil modules according to various embodiments of the present invention can be used with other modalities Operate and configure a magnetic resonance (MR) system for use in combi...

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Abstract

The invention discloses a sub-cooled superconductor gradient coil module applicable to magnetic resonance imaging. The module comprises a vacuum heat-insulating shell, at least one superconductor gradient coil, a heat dissipation element and a port, wherein the vacuum heat-insulating shell comprises a two-layer airtight jacket and can (i) close one high-vacuum space with first vacuum pressure and (ii) close a vacuum space with second vacuum pressure; the at least one superconductor gradient coil is positioned in the vacuum space; the heat dissipation element is positioned in the vacuum space and thermally contacted with the at least one superconductor gradient coil; and the port is at least used for sub-cooling the heat dissipation element. The module has a simple structure, and can improve the performance of a magnetic resonance imager and reduce manufacturing cost and maintenance cost.

Description

technical field [0001] The invention relates to magnetic resonance imaging and spectroscopy, in particular to a magnetic resonance imaging and a spectrometer using a superconductor component, in particular to a low-temperature cooling superconductor gradient coil module suitable for magnetic resonance imaging. Background technique [0002] Today, Magnetic Resonance Imaging (MRI) technology is widely used in the world's largest medical institutions, bringing significant and unique benefits to the field of medical practice. Although MRI has evolved into a well-established structural and anatomical-based imaging diagnostic tool, MRI is continuously being developed for imaging functional brain and other biophysical and biochemical properties or processes (eg, blood flow, metabolism / metabolic ,diffusion). Examples of these magnetic resonance (MR) imaging techniques include: functional MRI, spectral MRI or magnetic resonance spectroscopy imaging (MRSI), magnetic resonance diffusi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/385A61B5/055
CPCG01R33/3856
Inventor 高而震马启元
Owner 美时医疗技术(上海)有限公司
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