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Respiration suppressing mat and magnetic resonance imaging apparatus and method

A technology of magnetic resonance imaging and respiratory depression, applied in magnetic resonance measurement, medical science, surgery, etc., can solve problems such as dyspnea

Inactive Publication Date: 2008-09-24
TOSHIBA MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a risk that the subject's breathing becomes difficult

Method used

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  • Respiration suppressing mat and magnetic resonance imaging apparatus and method
  • Respiration suppressing mat and magnetic resonance imaging apparatus and method
  • Respiration suppressing mat and magnetic resonance imaging apparatus and method

Examples

Experimental program
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no. 1 Embodiment approach

[0036] FIG. 1 is a diagram showing the configuration of a magnetic resonance imaging apparatus (MRI apparatus) 100 according to a first embodiment. This MRI apparatus 100 has: static magnetic field magnet 1, gradient magnetic field coil 2; Gradient magnetic field power supply 3; Bed 4; Bed control part 5; Send RF coil 6; And respiratory suppression pad 11.

[0037] The static field magnet 1 has a hollow cylindrical shape, and generates the same static magnetic field in the inner space. As the static field magnet 1 , for example, a permanent magnet, a superconducting magnet, or the like can be used.

[0038] The gradient coil 2 has a hollow cylindrical shape and is arranged inside the static field magnet 1 . The gradient magnetic field coil 2 is a combination of three coils corresponding to X, Y, and Z axes that are perpendicular to each other. The above-mentioned three coils of the gradient magnetic field coil 2 are individually supplied with current from the gradient magne...

no. 2 Embodiment approach

[0066] The configuration of the MRI apparatus according to the second embodiment is the same as that of the MRI apparatus 100 shown in FIG. 1 . The MRI apparatus according to the second embodiment is different from the MRI apparatus 100 in that a respiration suppression pad 13 is provided instead of the respiration suppression pad 11 .

[0067] Figure 4A It is a plan view showing the structure of the breathing suppression mat 13 . Figure 4B It is a side view showing the structure of the breathing suppression mat 13 . again, in Figure 4A , 4B in, for with Figure 2A-2D The same symbols are assigned to the same parts, and detailed description thereof will be omitted.

[0068] Such as Figure 4A , 4B As shown in , the breathing suppression pad 13 includes a rigid member 11a, an elastic member 11b, a cover 11c, a pressure sensor 13a, and a vibrating portion 13b. Furthermore, although in Figure 4A , 4B The illustration is omitted in , but the respiratory suppression p...

no. 3 Embodiment approach

[0075] The configuration of the MRI apparatus according to the third embodiment is the same as that of the MRI apparatus 100 shown in FIG. 1 . The MRI apparatus according to the third embodiment is different from the MRI apparatus 100 in that a respiration suppression pad 14 is provided instead of the respiration suppression pad 11 .

[0076] Figure 7A It is a diagram showing the appearance of the respiratory suppression pad 14 under the line of sight along the body axis direction of the subject 200 . Figure 7B It is a diagram showing the appearance of the respiratory suppression pad 14 under the line of sight from the subject 200 side. again, in Figure 7A , 7B in, for with Figure 2A-2D or Figure 4A , 4B The same symbols are assigned to the same parts, and detailed description thereof will be omitted.

[0077] Such as Figure 7A , 7B As shown in , the breathing suppression pad 14 includes a rigid member 11a, an elastic member 11b, a cover 11c, a vibrating portion...

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Abstract

The invention provides a respiratory depression component, a magnetic resonance imaging apparatus and a magnetic resonance imaging method. The respiratory depression component is provided with a body shaping elastic materials into the following shape, that is, a shape for pressing the press part of abdomen of the checked subject is arranged at the lower part of the sternum of the checked object imaged by medical form equivalently and the location between the left and the right ribs.

Description

[0001] Cross-references to related applications [0002] This application is based on and claims priority from prior Japanese Patent Application No. 2007-38663 filed on February 19, 2007, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a respiration suppressing member attached to a subject to suppress movement of organs accompanying respiration of the subject, a magnetic resonance imaging apparatus including the respiration suppressing member, and a magnetic resonance imaging method. Background technique [0004] In order to image coronary arteries by magnetic resonance imaging (MRI), a three-dimensional (3D) SSFP (steady state free precession (steady state free precession)) sequence is used for imaging under breath-hold or natural respiration. In particular, in the case of WH MRCA (whole heart MR coronary angiography) which image-processes the movement of the coronary arteries of the whole heart, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055
CPCG01R33/28A61B19/203A61B2019/5236A61B90/14A61B2090/374
Inventor 久原重英二宮绫子
Owner TOSHIBA MEDICAL SYST CORP
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