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Inclined magnetic field coil, magnetic resonance imaging device, and method for manufacturing inclined magnetic field coil

A magnetic resonance imaging, gradient magnetic field technology, applied in coil manufacturing, coils, measuring devices, etc., to ensure ease of operation and suppress the generation of unwanted magnetic field components

Active Publication Date: 2012-04-25
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in the use of the helically wound gradient magnetic field coil, it becomes impossible to ignore the unnecessary component which is hardly affected in the prior art

Method used

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  • Inclined magnetic field coil, magnetic resonance imaging device, and method for manufacturing inclined magnetic field coil
  • Inclined magnetic field coil, magnetic resonance imaging device, and method for manufacturing inclined magnetic field coil
  • Inclined magnetic field coil, magnetic resonance imaging device, and method for manufacturing inclined magnetic field coil

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Embodiment Construction

[0038] Embodiments of the gradient magnetic field coil, the magnetic resonance imaging apparatus, and the manufacturing method of the gradient magnetic field coil according to the present invention will be described with reference to the drawings.

[0039] figure 1 It is a diagram showing a configuration example of a magnetic resonance imaging apparatus (MRI apparatus) 1 of this embodiment. The magnetic resonance imaging apparatus 1 includes a gantry 2 , a signal image processing unit 3 , a display unit 4 , and the like. In particular, in figure 1 In , the detailed structure of the stand 2 is shown as a cross-sectional view.

[0040] The whole of the gantry 2 is formed in a cylindrical shape, and a bore at the center portion functions as a space for diagnosis, and a subject P can be inserted into the bore during diagnosis.

[0041] The gantry 2 includes: a substantially cylindrical static magnetic field coil unit 11; a substantially cylindrical gradient magnetic field coil ...

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Abstract

The present invention provides an inclined magnetic field coil, which can avoid generation of unwanted magnetic field components while maintaining the easy operation of lead winding. The inclined magnetic field coil comprises the following parts: a cylindrical bobbin for winding a conductor; and a winding portion formed by winding the conductor around the bobbin for a plurality of turns, wherein the winding portion comprises a first winding portion formed by vertically winding the conductor around the bobbin relative to the shaft of the bobbin, and a second winding portion formed by spirally winding the conductor around the bobbin in an inclined way relative to the shaft of the bobbin.

Description

technical field [0001] The present invention relates to a gradient magnetic field coil, a magnetic resonance imaging device, and a method for manufacturing a gradient magnetic field coil, and in particular to a gradient magnetic field coil that forms a gradient magnetic field in the direction of a main magnetic field, a magnetic resonance imaging device equipped with the gradient magnetic field coil, and a gradient magnetic field coil. Manufacturing method. Background technique [0002] In a medical magnetic resonance imaging device (MRI (Magnetic Resonance Imaging) device), a gradient magnetic field coil (Z-axis) that forms a gradient magnetic field with respect to the direction of a main magnetic field formed by a superconducting magnet or the like is used. The X-axis direction and the Y-axis direction, which are perpendicular to the directions of the magnetic field, respectively form a gradient magnetic field coil (X-axis) and a gradient magnetic field coil (Y-axis) of a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F5/02H01F41/06G01R33/385G01R33/387
Inventor 坂仓良知
Owner TOSHIBA MEDICAL SYST CORP
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