JP6674645B2 - 低磁場磁気共鳴撮像方法及び装置 - Google Patents
低磁場磁気共鳴撮像方法及び装置 Download PDFInfo
- Publication number
- JP6674645B2 JP6674645B2 JP2017531980A JP2017531980A JP6674645B2 JP 6674645 B2 JP6674645 B2 JP 6674645B2 JP 2017531980 A JP2017531980 A JP 2017531980A JP 2017531980 A JP2017531980 A JP 2017531980A JP 6674645 B2 JP6674645 B2 JP 6674645B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- laminate
- laminate panel
- mri system
- field mri
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 328
- 238000000034 method Methods 0.000 title description 172
- 230000005291 magnetic effect Effects 0.000 claims description 382
- 239000004020 conductor Substances 0.000 claims description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 22
- 210000003484 anatomy Anatomy 0.000 claims description 11
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims description 8
- 238000003486 chemical etching Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 4
- 210000004556 brain Anatomy 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 311
- 238000013461 design Methods 0.000 description 62
- 238000007726 management method Methods 0.000 description 49
- 238000003475 lamination Methods 0.000 description 40
- 238000003384 imaging method Methods 0.000 description 34
- 238000004519 manufacturing process Methods 0.000 description 33
- 230000008569 process Effects 0.000 description 28
- 239000000463 material Substances 0.000 description 21
- 238000007796 conventional method Methods 0.000 description 19
- 238000010030 laminating Methods 0.000 description 19
- 229910052782 aluminium Inorganic materials 0.000 description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 17
- 238000001816 cooling Methods 0.000 description 13
- 230000002829 reductive effect Effects 0.000 description 12
- 230000000670 limiting effect Effects 0.000 description 11
- 230000005389 magnetism Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 239000002356 single layer Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000059 patterning Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000000696 magnetic material Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000012811 non-conductive material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010237 hybrid technique Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010618 wire wrap Methods 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 238000012307 MRI technique Methods 0.000 description 1
- 206010034912 Phobia Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000012984 biological imaging Methods 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000002599 functional magnetic resonance imaging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 208000019899 phobic disease Diseases 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3614—RF power amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
- G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/42—Screening
- G01R33/422—Screening of the radio frequency field
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Epidemiology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Coils Or Transformers For Communication (AREA)
- Laminated Bodies (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Gas Separation By Absorption (AREA)
Description
of”)、及び同等表現のような移行句は、オープンエンドである、即ち、非限定的に含むことを意味する「〜成る」(“consisting of”)及び「本質的に〜成る」(“consisting essentially of”)という移行句のみが、閉塞的又は半閉塞的な移行句である。
Claims (26)
- 低磁場磁気共鳴映像法(MRI)のために0.2T未満の磁場強度にあるB0磁場を生成するように構成されるB0磁石と、
少なくとも1つのラミネートパネルとを含み、
前記B0磁石は、巻回導体によって形成される並びに前記B0磁場に寄与するように構成される少なくとも1つの巻回B0コイルを有する、電磁石を含み、
前記少なくとも1つのラミネートパネルは、その上に形成される複数のコンポーネントを有し、該複数のコンポーネントは、
作動させられるときに、放射される磁気共鳴(MR)信号の空間符号化を提供して低磁場MRIを促進する磁場を形成するように或いは磁場に寄与するように構成される、少なくとも1つの勾配コイルと、
前記B0磁場に寄与するように構成される少なくとも1つのパターン化されたB0コイルとを含む、
低磁場MRIシステム。 - 前記少なくとも1つのラミネートパネルは、第1のラミネートパネルと、第2のラミネートパネルとを含み、前記第1のラミネートパネル及び前記第2のラミネートパネルは、2平面構成において配置される、請求項1に記載の低磁場MRIシステム。
- 前記少なくとも1つの巻回B0コイルは、2平面構成において配置される、少なくとも1つの第1の巻回B0コイルと少なくとも1つの第2の巻回B0コイルとを含む、請求項2に記載の低磁場MRIシステム。
- 前記第1のラミネートパネルは、前記B0磁石の視野の第1の側で前記少なくとも1つの第1の巻回B0コイルに近接して配置され、前記第2のラミネートパネルは、前記B0磁石の前記視野の第2の側で前記少なくとも1つの第2の巻回B0コイルに近接して配置される、請求項3に記載の低磁場MRIシステム。
- 前記少なくとも1つのパターン化されたB0コイルは、前記B0磁場の同質性に影響を与えるよう、前記B0磁場に寄与するように構成される、少なくとも1つの補正コイルを含む、請求項1に記載の低磁場MRIシステム。
- 前記少なくとも1つのラミネートパネルに形成される前記少なくとも1つの勾配コイルは、x方向、y方向、及びz方向においてそれぞれ空間符号化をもたらすよう、少なくとも1つのx勾配コイルと、少なくとも1つのy勾配コイルと、少なくとも1つのz勾配コイルとを含む、請求項1に記載の低磁場MRIシステム。
- 前記B0磁石、前記第1のラミネートパネル、及び前記第2のラミネートパネルを収容し且つ/或いは支持するように構成される、輸送可能な構造を更に含み、前記輸送可能なハウジングは、当該低磁場MRIシステムが所望の場所に輸送されることを可能にする、請求項4に記載の低磁場MRIシステム。
- 当該低磁場MRIシステムが前記所望の場所に運ばれるのを可能にするよう、前記構造に連結されるホイールを更に含む、請求項7に記載の低磁場MRIシステム。
- 当該低磁場MRIシステムを、当該低磁場MRIシステムを輸送するのに適した第1の構成から当該低磁場MRIシステムを作動させるのに適した第2の構成に変換することを容易にするよう、少なくとも1つの変換可能なコンポーネントを更に含む、請求項7に記載の低磁場MRIシステム。
- 前記B0磁石、前記第1のラミネートパネル、及び前記第2のラミネートパネルを支持し且つ収容するカートを更に含み、該カートは、所望の場所に押されることのできる運搬可能な低磁場MRIシステムをもたらす、請求項2に記載の低磁場MRIシステム。
- 患者を支持するように構成される少なくとも1つの滑動コンポーネントを更に含み、該少なくとも1つの滑動コンポーネントは、患者が前記第1のラミネートパネルと前記第2のラミネートパネルとの間に位置付けられることを可能にする、請求項10に記載の低磁場MRIシステム。
- 前記第1のラミネートパネルと前記第2のラミネートパネルとを支持するフレームと、
患者を前記第1のラミネートパネルと前記第2のラミネートパネルとの間に位置付ける調整可能なシートとを更に含む、
請求項2に記載の低磁場MRIシステム。 - 前記第1のラミネートパネル、前記第2のラミネートパネル、前記少なくとも1つの第1の巻回B0コイル、及び前記少なくとも1つの第2の巻回B0コイルは、あるサイズに生成され、特定の解剖学的構造の低磁場MRIを容易にするよう互いに対して配置される、請求項4に記載の低磁場MRIシステム。
- 前記第1のラミネートパネル、前記第2のラミネートパネル、前記少なくとも1つの第1の巻回B0コイル、及び少なくとも1つの第2の巻回B0コイルは、あるサイズに生成され、患者の頭部の低磁場MRIを容易にするよう互いに対して配置され、当該低磁場MRIシステムによって生成される前記B0磁場は、患者の脳を撮像するのに十分な視野を有する、請求項13に記載の低磁場MRIシステム。
- 所定のパルスシーケンスに従って無線周波数信号を送信するように構成される少なくとも1つの無線周波数コイルを更に含み、
前記可搬式の構造は、
前記B0磁石、前記第1のラミネートパネル、前記第2のラミネートパネル、及び前記少なくとも1つの無線周波数コイルに給電するように構成される、1つ又はそれよりも多くのパワーコンポーネントと、
前記所定のパルスシーケンスに従って当該低磁場MRIシステムのコンポーネントを制御するように構成されるコンソールとを収容する、
請求項8に記載の低磁場MRIシステム。 - 前記少なくとも1つの無線周波数コイルは、前記視野から放射される磁気共鳴信号に応答するように構成される少なくとも1つの受信コイルを含む、請求項15に記載の低磁場MRIシステム。
- 前記少なくとも1つの受信コイルによって受信される前記磁気共鳴信号内のノイズを抑制するために使用される1つ又はそれよりも多くのノイズ信号を取得するよう、前記視野の外側で前記視野の近接して位置付けられる、少なくとも1つの補助センサを含む、請求項16に記載の低磁場MRIシステム。
- 前記コンソールは、ユーザが前記可搬式の構造にある当該低磁場MRIシステムを作動させるのを可能にする、ユーザインターフェースを含む、請求項15に記載の低磁場MRIシステム。
- 前記第1のラミネートパネル及び前記第2のラミネートパネルは、それぞれ、約20.32cm×20.32cm以上の寸法を有する、請求項8に記載の低磁場MRIシステム。
- 前記第1のラミネートパネル及び前記第2のラミネートパネルは、それぞれ、約40.64cm×40.64cm以上の寸法を有する、
請求項19に記載の低磁場MRIシステム。 - 前記第1のラミネートパネル及び前記第2のラミネートパネルは、それぞれ、約55.88cm×55.88cm以上の寸法を有する、
請求項20に記載の低磁場MRIシステム。 - 少なくとも1つの第1の巻回B0コイル及び少なくとも1つの第2の巻回B0コイルは、それぞれ、約25.4cm以上であり且つ約127cm以下である内径と、約38.1cm以上であり且つ約203.2cm以下である外径とを有する、請求項8に記載の低磁場MRIシステム。
- 前記少なくとも1つの第1の巻回B0コイル及び前記少なくとも1つの第2の巻回B0コイルは、少なくとも100回の巻きを有する銅導体で巻回される、請求項22に記載の低磁場MRIシステム。
- 前記第1のラミネートパネルは、前記第1のラミネートパネルの少なくとも6個の別個のラミネート層の上に形成された第1の複数のパターン化されたB0コイルを含み、前記第2のラミネートパネルは、前記第2のラミネートパネルの少なくとも6個の別個のラミネート層の上に形成された第2の複数のパターン化されたB0コイルを含む、請求項4に記載の低磁場MRIシステム。
- 前記第1のラミネートパネルは、前記第1のラミネートパネルの少なくとも14個の別個のラミネート層の上に形成された第1の複数のパターン化されたB0コイルを含み、前記第2のラミネートパネルは、前記第2のラミネートパネルの少なくとも14個の別個のラミネート層の上に形成された第2の複数のパターン化されたB0コイルを含む、請求項4に記載の低磁場MRIシステム。
- 前記x勾配コイルは、化学エッチングを介して、前記少なくとも1つのラミネートパネルの複数の層の上に形成され、
前記y勾配コイルは、化学エッチングを介して、前記少なくとも1つのラミネートパネルの複数の層の上に形成され、
前記z勾配コイルは、化学エッチングを介して、前記少なくとも1つのラミネートパネルの複数の層の上に形成される、
請求項6に記載の低磁場MRIシステム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020025749A JP6955595B2 (ja) | 2014-09-05 | 2020-02-19 | 低磁場磁気共鳴撮像方法及び装置 |
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462046814P | 2014-09-05 | 2014-09-05 | |
US62/046,814 | 2014-09-05 | ||
US201562110049P | 2015-01-30 | 2015-01-30 | |
US62/110,049 | 2015-01-30 | ||
US201562111320P | 2015-02-03 | 2015-02-03 | |
US62/111,320 | 2015-02-03 | ||
US201562174666P | 2015-06-12 | 2015-06-12 | |
US62/174,666 | 2015-06-12 | ||
PCT/US2015/048470 WO2016037025A1 (en) | 2014-09-05 | 2015-09-04 | Low field magnetic resonance imaging methods and apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020025749A Division JP6955595B2 (ja) | 2014-09-05 | 2020-02-19 | 低磁場磁気共鳴撮像方法及び装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017527424A JP2017527424A (ja) | 2017-09-21 |
JP2017527424A5 JP2017527424A5 (ja) | 2018-10-18 |
JP6674645B2 true JP6674645B2 (ja) | 2020-04-01 |
Family
ID=55437316
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017531980A Active JP6674645B2 (ja) | 2014-09-05 | 2015-09-04 | 低磁場磁気共鳴撮像方法及び装置 |
JP2017531981A Active JP6684804B2 (ja) | 2014-09-05 | 2015-09-04 | ノイズ抑制方法及び装置 |
JP2017531982A Active JP6761416B2 (ja) | 2014-09-05 | 2015-09-04 | 低磁場磁気共鳴イメージングシステムの自動構成 |
JP2017531985A Active JP6832852B2 (ja) | 2014-09-05 | 2015-09-04 | 磁気共鳴映像法のための強磁性増強 |
JP2020025749A Active JP6955595B2 (ja) | 2014-09-05 | 2020-02-19 | 低磁場磁気共鳴撮像方法及び装置 |
JP2020059620A Active JP6882569B2 (ja) | 2014-09-05 | 2020-03-30 | ノイズ抑制方法及び装置 |
JP2020076553A Pending JP2020127750A (ja) | 2014-09-05 | 2020-04-23 | 磁気共鳴映像法のための強磁性増強 |
JP2021078699A Pending JP2021120001A (ja) | 2014-09-05 | 2021-05-06 | ノイズ抑制方法及び装置 |
JP2021162485A Pending JP2022000241A (ja) | 2014-09-05 | 2021-10-01 | 低磁場磁気共鳴撮像方法及び装置 |
Family Applications After (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017531981A Active JP6684804B2 (ja) | 2014-09-05 | 2015-09-04 | ノイズ抑制方法及び装置 |
JP2017531982A Active JP6761416B2 (ja) | 2014-09-05 | 2015-09-04 | 低磁場磁気共鳴イメージングシステムの自動構成 |
JP2017531985A Active JP6832852B2 (ja) | 2014-09-05 | 2015-09-04 | 磁気共鳴映像法のための強磁性増強 |
JP2020025749A Active JP6955595B2 (ja) | 2014-09-05 | 2020-02-19 | 低磁場磁気共鳴撮像方法及び装置 |
JP2020059620A Active JP6882569B2 (ja) | 2014-09-05 | 2020-03-30 | ノイズ抑制方法及び装置 |
JP2020076553A Pending JP2020127750A (ja) | 2014-09-05 | 2020-04-23 | 磁気共鳴映像法のための強磁性増強 |
JP2021078699A Pending JP2021120001A (ja) | 2014-09-05 | 2021-05-06 | ノイズ抑制方法及び装置 |
JP2021162485A Pending JP2022000241A (ja) | 2014-09-05 | 2021-10-01 | 低磁場磁気共鳴撮像方法及び装置 |
Country Status (12)
Country | Link |
---|---|
US (27) | US9547057B2 (ja) |
EP (5) | EP3189344A4 (ja) |
JP (9) | JP6674645B2 (ja) |
KR (4) | KR20170048558A (ja) |
CN (8) | CN107110931B (ja) |
AU (7) | AU2015311725A1 (ja) |
BR (4) | BR112017004357A2 (ja) |
CA (8) | CA3043063A1 (ja) |
IL (5) | IL250939B (ja) |
MX (4) | MX2017002939A (ja) |
TW (1) | TWI627428B (ja) |
WO (5) | WO2016037028A1 (ja) |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101518751B1 (ko) * | 2013-11-21 | 2015-05-11 | 연세대학교 산학협력단 | 다중 대조도 자기공명영상에서 잡음 제거 방법 및 장치 |
MX2017002939A (es) | 2014-09-05 | 2017-12-07 | Hyperfine Res Inc | Configuracion automatica de un sistema de formacion de imagenes por resonancia magnetica de campo bajo. |
US10813564B2 (en) | 2014-11-11 | 2020-10-27 | Hyperfine Research, Inc. | Low field magnetic resonance methods and apparatus |
CA3115673A1 (en) | 2014-11-11 | 2016-05-19 | Hyperfine Research, Inc. | Pulse sequences for low field magnetic resonance |
WO2016168249A1 (en) | 2015-04-13 | 2016-10-20 | Hyperfine Research, Inc. | Magnetic coil power methods and apparatus |
US10288711B1 (en) * | 2015-04-30 | 2019-05-14 | Life Services, LLC | Device and method for simultaneous TX/RX in strongly coupled MRI coil loops |
KR20180018542A (ko) | 2015-05-12 | 2018-02-21 | 하이퍼파인 리서치, 인크. | 고주파 코일 방법 및 장치 |
WO2016184760A1 (en) * | 2015-05-15 | 2016-11-24 | Eidgenössische Technische Hochschule (ETH) | Active noise suppression for magnetic resonance based magnetic field probes |
US11119171B2 (en) * | 2015-07-16 | 2021-09-14 | Synaptive Medical Inc. | Systems and methods for adaptive multi-resolution magnetic resonance imaging |
CN106483483B (zh) * | 2015-08-27 | 2019-09-06 | 通用电气公司 | 梯度线圈及其制造方法 |
CA3123141A1 (en) | 2016-03-22 | 2017-09-28 | Hyperfine Research, Inc. | Methods and apparatus for magnetic field shimming |
CN115407252A (zh) | 2016-06-22 | 2022-11-29 | 优瑞技术公司 | 低场强磁共振成像 |
EP3236375A3 (de) * | 2016-08-24 | 2018-01-24 | Siemens Healthcare GmbH | Verfahren und system zum ausgeben einer medizinischen information |
US10650621B1 (en) | 2016-09-13 | 2020-05-12 | Iocurrents, Inc. | Interfacing with a vehicular controller area network |
TWI685668B (zh) | 2016-09-29 | 2020-02-21 | 美商超精細研究股份有限公司 | 磁共振成像系統,以及搭配該磁共振成像系統使用之調諧系統 |
US10539637B2 (en) | 2016-11-22 | 2020-01-21 | Hyperfine Research, Inc. | Portable magnetic resonance imaging methods and apparatus |
KR20190087455A (ko) | 2016-11-22 | 2019-07-24 | 하이퍼파인 리서치, 인크. | 자기 공명 이미지들에서의 자동화된 검출을 위한 시스템들 및 방법들 |
US10585153B2 (en) | 2016-11-22 | 2020-03-10 | Hyperfine Research, Inc. | Rotatable magnet methods and apparatus for a magnetic resonance imaging system |
US10627464B2 (en) * | 2016-11-22 | 2020-04-21 | Hyperfine Research, Inc. | Low-field magnetic resonance imaging methods and apparatus |
DE102017200446A1 (de) * | 2017-01-12 | 2018-07-12 | Siemens Healthcare Gmbh | Korrektur eines MR-Sendesignals |
US11119166B2 (en) * | 2017-01-13 | 2021-09-14 | Siemens Healthcare Gmbh | Magnetic resonance scanner and local coil matrix for operation at low magnetic field strengths |
US20200263184A1 (en) | 2017-04-14 | 2020-08-20 | National Cancer Center | Pharmaceutical composition for preventing and treating cancer, containing malate-aspartate shuttle inhibitor and anticancer drug as active ingredients |
EP3401695A1 (en) | 2017-05-08 | 2018-11-14 | Koninklijke Philips N.V. | Cooling a gradient coil of a magnetic resonance imaging system |
US10732248B2 (en) | 2017-05-22 | 2020-08-04 | Synaptive Medical (Barbados) Inc. | System and method to reduce eddy current artifacts in magnetic resonance imaging |
US20190041481A1 (en) * | 2017-08-04 | 2019-02-07 | Muralidhara Subbarao | Massively parallel magnetic resonance imaging wherein numerous off-surface coils are used to acquire partially under-sampled magnetic resonance signal data |
EP3467531A1 (de) * | 2017-10-05 | 2019-04-10 | Siemens Healthcare GmbH | Magnetresonanztomograph mit aktiver störunterdrückung und verfahren zur störunterdrückung in einem magnetresonanztomographen |
JP6867926B2 (ja) * | 2017-10-12 | 2021-05-12 | 株式会社日立製作所 | ノイズ発生源探索装置及びノイズ発生源探索方法 |
US10859659B2 (en) * | 2017-10-31 | 2020-12-08 | GE Precision Healthcare LLC | Motion monitoring method during MR imaging, computer process, and storage device |
US10489943B2 (en) | 2018-02-28 | 2019-11-26 | General Electric Company | System and method for sparse image reconstruction |
US20210050092A1 (en) * | 2018-03-14 | 2021-02-18 | Koninklijke Philips N.V. | Intelligent scheduler for centralized control of imaging examinations |
CN108627789B (zh) * | 2018-03-28 | 2020-07-28 | 重庆大学 | 空心线圈传感器的τ曲线标定方法 |
EP3553547A1 (en) * | 2018-04-12 | 2019-10-16 | Koninklijke Philips N.V. | Shim irons for a magnetic resonance apparatus |
FR3080509B1 (fr) * | 2018-04-19 | 2021-05-14 | Zodiac Data Systems | Dispositif d'acquisition de donnees pour l'instrumentation d'une structure |
AU2019256553A1 (en) | 2018-04-20 | 2020-10-22 | Hyperfine Operations, Inc. | Deployable guard for portable magnetic resonance imaging devices |
ES2730123A1 (es) * | 2018-05-07 | 2019-11-08 | Tesoro Imaging S L | Bobina magnetica con configuracion geometrica incompleta |
US11209509B2 (en) * | 2018-05-16 | 2021-12-28 | Viewray Technologies, Inc. | Resistive electromagnet systems and methods |
EP3797307A4 (en) | 2018-05-21 | 2022-02-16 | Hyperfine, Inc. | B0 MAGNETIC METHOD AND APPARATUS FOR A MAGNETIC RESONANCE IMAGING SYSTEM |
AU2019272580A1 (en) | 2018-05-21 | 2020-11-12 | Hyperfine Operations, Inc. | Radio-frequency coil signal chain for a low-field MRI system |
CN108828484A (zh) * | 2018-05-25 | 2018-11-16 | 中国计量科学研究院 | 一种磁共振成像仪的质控模体 |
CN108983134B (zh) * | 2018-05-31 | 2020-07-03 | 上海东软医疗科技有限公司 | 信号接收通道校准方法和磁共振校准系统 |
EP3581953A1 (en) | 2018-06-11 | 2019-12-18 | Koninklijke Philips N.V. | A method for configuring a rf transmit assembly |
TW202015621A (zh) | 2018-07-19 | 2020-05-01 | 美商超精細研究股份有限公司 | 在磁共振成像中患者定位之方法及設備 |
US11300645B2 (en) | 2018-07-30 | 2022-04-12 | Hyperfine Operations, Inc. | Deep learning techniques for magnetic resonance image reconstruction |
TW202012951A (zh) | 2018-07-31 | 2020-04-01 | 美商超精細研究股份有限公司 | 低場漫射加權成像 |
CN113557526A (zh) * | 2018-08-15 | 2021-10-26 | 海珀菲纳股份有限公司 | 用于抑制磁共振图像中的伪影的深度学习技术 |
JP2022500656A (ja) * | 2018-09-14 | 2022-01-04 | 10250929 カナダ インコーポレーテッド | 代謝産物レベルのin−vivo非侵襲的測定のための方法及びシステム |
US10761162B2 (en) * | 2018-09-18 | 2020-09-01 | General Electric Company | Gradient coil cooling systems |
EP3633400B1 (de) * | 2018-10-02 | 2022-09-21 | Siemens Healthcare GmbH | Magnetresonanztomograph sowie system und verfahren zum verhindern von übersprech-störungen |
DE102018128254A1 (de) * | 2018-11-12 | 2020-05-14 | Endress+Hauser SE+Co. KG | Verfahren zur Verbesserung derMessperformance eines zu konfigurierenden Feldgeräts der Automatisierungstechnik |
EP3657193B1 (en) * | 2018-11-20 | 2021-02-17 | Bruker Switzerland AG | Method for magnetizing a superconductor bulk magnet, with generating an auxiliary magnetic field in the superconductor bore |
DE102018221695A1 (de) * | 2018-12-13 | 2020-06-18 | Siemens Healthcare Gmbh | Verfahren zur quantitativen Magnetresonanzbildgebung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
CA3122087A1 (en) | 2018-12-19 | 2020-06-25 | Hyperfine Research, Inc. | System and methods for grounding patients during magnetic resonance imaging |
EP3903117A2 (en) | 2018-12-28 | 2021-11-03 | Hyperfine, Inc. | Correcting for hysteresis in magnetic resonance imaging |
AU2020237054A1 (en) | 2019-03-12 | 2021-09-23 | Hyperfine Operations, Inc. | Systems and methods for magnetic resonance imaging of infants |
US11344219B2 (en) | 2019-03-14 | 2022-05-31 | Hyperfine Operations, Inc. | Deep learning techniques for alignment of magnetic resonance images |
CN109946630B (zh) * | 2019-03-27 | 2021-05-28 | 中国计量大学 | 最小化最大温度值的盘式梯度线圈设计方法 |
CN109946631B (zh) * | 2019-03-27 | 2021-06-25 | 中国计量大学 | 最小化最大温度值的盘式梯度线圈 |
JP2022530622A (ja) | 2019-04-26 | 2022-06-30 | ハイパーファイン,インコーポレイテッド | 磁気共鳴画像法システムの動的制御のための技術 |
US20200352473A1 (en) * | 2019-05-07 | 2020-11-12 | Hyperfine Research, Inc. | Systems, devices, and methods for magnetic resonance imaging of infants |
EP4014057A1 (en) | 2019-08-15 | 2022-06-22 | Hyperfine Operations, Inc. | Eddy current mitigation systems and methods |
EP4042176A2 (en) | 2019-10-08 | 2022-08-17 | Hyperfine Operations, Inc. | System and methods for detecting electromagnetic interference in patients during magnetic resonance imaging |
EP3808265B1 (en) * | 2019-10-16 | 2024-02-28 | Esaote S.p.A. | Patient support device, such as a patient bed, table or chair, for use with magnetic resonance imaging apparatuses |
EP4049052A2 (en) | 2019-10-25 | 2022-08-31 | Hyperfine Operations, Inc. | Artefact reduction in magnetic resonance imaging |
AU2020371657A1 (en) | 2019-10-25 | 2022-05-19 | Hyperfine Operations, Inc. | Systems and methods for detecting patient motion during magnetic resonance imaging |
DE102019216759A1 (de) * | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Verfahren zum Betrieb eines NMR-Spektrometers sowie NMR-Spektrometer |
DE102019216761A1 (de) * | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Verfahren zum Betrieb eines NMR-Spektrometers sowie NMR-Spektrometer |
DE102019216755A1 (de) * | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Verfahren zum Betrieb eines NMR-Spektrometers sowie NMR-Spektrometer |
US11510588B2 (en) | 2019-11-27 | 2022-11-29 | Hyperfine Operations, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
WO2021119079A1 (en) | 2019-12-10 | 2021-06-17 | Hyperfine Research, Inc. | Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame |
US11415651B2 (en) | 2019-12-10 | 2022-08-16 | Hyperfine Operations, Inc. | Low noise gradient amplification components for MR systems |
USD932014S1 (en) | 2019-12-10 | 2021-09-28 | Hyperfine, Inc. | Frame for magnets in magnetic resonance imaging |
EP4073531A1 (en) | 2019-12-10 | 2022-10-19 | Hyperfine Operations, Inc. | Ferromagnetic frame for magnetic resonance imaging |
USD912822S1 (en) | 2019-12-10 | 2021-03-09 | Hyperfine Research, Inc. | Frame for magnets in magnetic resonance imaging |
CN113050010B (zh) * | 2019-12-26 | 2023-03-21 | 上海联影医疗科技股份有限公司 | 噪音分析的系统、方法 |
DE102020200013A1 (de) * | 2020-01-03 | 2021-07-08 | Siemens Healthcare Gmbh | Magnetresonanzeinrichtung und Verfahren zum Betrieb einer Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
CN110873855B (zh) * | 2020-01-20 | 2020-04-21 | 华中科技大学 | 一种基于磁通压缩的脉冲磁体装置及高通量测量方法 |
WO2021195101A1 (en) | 2020-03-24 | 2021-09-30 | Hyperfine, Inc. | Gradient waveform design for low-field magnetic resonance imaging systems |
US11754650B2 (en) * | 2020-04-10 | 2023-09-12 | Howmedica Osteonics Corp. | MRI shield |
WO2021217135A1 (en) * | 2020-04-24 | 2021-10-28 | The General Hospital Corporation | System and method for electromagnetic interference mitigation for portable mri systems |
US20230136830A1 (en) * | 2020-04-24 | 2023-05-04 | The General Hospital Corporation | Point-of-care magnetic resonance imaging system for lumbar puncture guidance |
US11317822B2 (en) * | 2020-07-31 | 2022-05-03 | Synex Medical Inc. | Weak signal detection system and method |
CN112698256B (zh) * | 2020-12-07 | 2023-08-29 | 深圳航天科技创新研究院 | 降低磁共振成像设备电磁噪声的主动降噪系统的降噪方法 |
DE102020215738A1 (de) * | 2020-12-11 | 2022-06-15 | Siemens Healthcare Gmbh | Magnetresonanztomographiesystem mit Störungsreduktion |
US11796613B2 (en) | 2020-12-15 | 2023-10-24 | Hyperfine Operations, Inc. | Opto-isolator circuitry for magnetic resonance imaging applications |
DE102020133923B4 (de) * | 2020-12-17 | 2023-03-23 | Isovolta Gatex GmbH | Verfahren zum lagefixierten Verbinden eines schlauchförmigen Elementes auf einer Trägerplatte |
WO2022169626A1 (en) | 2021-02-02 | 2022-08-11 | Hyperfine, Inc. | Systems and methods for dynamically extending magnetic resonance imaging of a subject |
DE102021104344A1 (de) * | 2021-02-24 | 2022-08-25 | Otto-Von-Guericke-Universität Magdeburg | MR-Bildgebung mit Reduktion von Zipper-Artefakten |
CN113176528A (zh) * | 2021-04-29 | 2021-07-27 | 杭州微影医疗科技有限公司 | 干扰消除方法、介质及设备 |
KR20220152457A (ko) | 2021-05-07 | 2022-11-16 | 삼성전자주식회사 | 이미지 센서 및 그 동작 방법 |
JP2023002228A (ja) * | 2021-06-22 | 2023-01-10 | 昭和電工株式会社 | 情報処理装置および磁気センサシステム |
FR3130391B1 (fr) * | 2021-12-10 | 2023-11-03 | Multiwave Imaging | Dispositif d’imagerie par résonnance magnétique pourvu d’un assemblage magnétique |
EP4257999A1 (en) * | 2022-04-04 | 2023-10-11 | Renaissance Fusion | Modular mri machine |
WO2023194228A1 (en) * | 2022-04-04 | 2023-10-12 | Renaissance Fusion | Modular mri machine |
FR3135787A1 (fr) | 2022-05-17 | 2023-11-24 | Multiwave Imaging | Procédé de formation d’une image d’un corps au moyen d’un dispositif irm |
WO2024025828A1 (en) * | 2022-07-25 | 2024-02-01 | Promaxo, Inc. | Low-field mri texture analysis |
EP4312043A1 (de) * | 2022-07-25 | 2024-01-31 | Siemens Healthcare GmbH | Magnetresonanztomograph und verfahren für einen energiesparenden betrieb des magnetresonanztomographen |
EP4328611A1 (de) * | 2022-08-25 | 2024-02-28 | Siemens Healthineers AG | Vorrichtung und verfahren zur störunterdrückung bei einem magnetresonanztomographen |
Family Cites Families (365)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1397244A (en) * | 1920-08-07 | 1921-11-15 | Saco Lowell Shops | Angular driving mechanism |
US3622869A (en) * | 1967-06-28 | 1971-11-23 | Marcel J E Golay | Homogenizing coils for nmr apparatus |
US3735306A (en) | 1970-10-22 | 1973-05-22 | Varian Associates | Magnetic field shim coil structure utilizing laminated printed circuit sheets |
US4621299A (en) | 1982-11-05 | 1986-11-04 | General Kinetics Inc. | High energy degausser |
JPS6063972A (ja) | 1983-09-17 | 1985-04-12 | Sumitomo Electric Ind Ltd | クライオスタツト |
US4595899A (en) | 1984-07-06 | 1986-06-17 | The Board Of Trustees Of The Leland Stanford Junior University | Magnetic structure for NMR applications and the like |
JPS6197806A (ja) * | 1984-10-18 | 1986-05-16 | Yokogawa Medical Syst Ltd | Nmr画像装置に用いられるマグネツト部の冷却装置 |
US4638252A (en) * | 1984-12-21 | 1987-01-20 | General Electric Company | Circuit for detecting RF coil assembly position in an MR scanner |
US4680545A (en) * | 1985-01-04 | 1987-07-14 | General Electric Company | Method for reduction of acoustical noise generated by magnetic field gradient pulses |
US4668915A (en) | 1985-03-15 | 1987-05-26 | Honda Giken Kogyo Kabushiki Kaisha | Non-uniform field magnetic resonance dual patient imaging system |
JPH0636789B2 (ja) * | 1985-07-29 | 1994-05-18 | 株式会社島津製作所 | Mri装置 |
US5038785A (en) * | 1985-08-09 | 1991-08-13 | Picker International, Inc. | Cardiac and respiratory monitor with magnetic gradient noise elimination |
US4675609A (en) | 1985-09-18 | 1987-06-23 | Fonar Corporation | Nuclear magnetic resonance apparatus including permanent magnet configuration |
JP2588700B2 (ja) * | 1986-09-05 | 1997-03-05 | 株式会社 日立メディコ | 核磁気共鳴イメ−ジング装置 |
US4770182A (en) * | 1986-11-26 | 1988-09-13 | Fonar Corporation | NMR screening method |
FR2609206B1 (fr) | 1986-12-30 | 1992-02-14 | Thomson Cgr | Dispositif correcteur par elements magnetiques d'inhomogeneites du champ magnetique dans un aimant |
JPS63266804A (ja) * | 1987-04-24 | 1988-11-02 | Hitachi Metals Ltd | 磁界発生装置 |
JPS63311945A (ja) * | 1987-06-12 | 1988-12-20 | Matsushita Electric Ind Co Ltd | 核磁気共鳴断層像撮像装置 |
US4984573A (en) * | 1987-06-23 | 1991-01-15 | Hafslund Nycomed Innovation Ab | Method of electron spin resonance enhanced magnetic resonance imaging |
US5203332A (en) | 1987-06-23 | 1993-04-20 | Nycomed Imaging As | Magnetic resonance imaging |
JPH084044B2 (ja) | 1987-09-04 | 1996-01-17 | 株式会社フジクラ | 超電導シートコイル |
JPS6464637A (en) * | 1987-09-07 | 1989-03-10 | Hitachi Medical Corp | Nuclear magnetic resonance imaging apparatus |
EP0307516A1 (en) | 1987-09-18 | 1989-03-22 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging apparatus with eddy-current disturbances correction system |
JPH0164637U (ja) | 1987-10-19 | 1989-04-25 | ||
JPH01242057A (ja) | 1988-03-23 | 1989-09-27 | Toshiba Corp | 磁気共鳴イメージング装置 |
JPH0271727A (ja) * | 1988-09-06 | 1990-03-12 | Hitachi Medical Corp | 核磁気共鳴イメージング装置 |
US4893082A (en) * | 1989-02-13 | 1990-01-09 | Letcher Iii John H | Noise suppression in magnetic resonance imaging |
US5134374A (en) | 1989-06-01 | 1992-07-28 | Applied Superconetics | Magnetic field control apparatus |
JPH03188831A (ja) | 1989-12-20 | 1991-08-16 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
US5252924A (en) * | 1991-11-18 | 1993-10-12 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating apparatus for MRI |
FI86506C (fi) * | 1990-05-29 | 1992-09-10 | Instrumentarium Oy | Avbildningsfoerfarande. |
JP2808198B2 (ja) * | 1990-07-02 | 1998-10-08 | 住友特殊金属株式会社 | Mri用磁界発生装置とその製法 |
US5283544A (en) * | 1990-09-29 | 1994-02-01 | Sumitomo Special Metals Co., Ltd. | Magnetic field generating device used for MRI |
JPH04337614A (ja) * | 1991-05-15 | 1992-11-25 | Toshiba Corp | 傾斜磁場コイルの製造方法 |
US5153546A (en) | 1991-06-03 | 1992-10-06 | General Electric Company | Open MRI magnet |
JP2561591B2 (ja) | 1991-12-27 | 1996-12-11 | 住友特殊金属株式会社 | Mri用磁界発生装置 |
US5382904A (en) | 1992-04-15 | 1995-01-17 | Houston Advanced Research Center | Structured coil electromagnets for magnetic resonance imaging and method for fabricating the same |
JPH05344960A (ja) | 1992-06-15 | 1993-12-27 | Hitachi Ltd | 磁気共鳴検査装置 |
US6023165A (en) | 1992-09-28 | 2000-02-08 | Fonar Corporation | Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the same |
US5291137A (en) * | 1992-11-02 | 1994-03-01 | Schlumberger Technology Corporation | Processing method and apparatus for processing spin echo in-phase and quadrature amplitudes from a pulsed nuclear magnetism tool and producing new output data to be recorded on an output record |
DE69316837T2 (de) * | 1992-11-10 | 1998-07-30 | Koninkl Philips Electronics Nv | Apparat mittels magnetischer Resonanz mit Lärmunterdrückung |
US5490509A (en) * | 1993-03-18 | 1996-02-13 | The Regents Of The University Of California | Method and apparatus for MRI using selectively shaped image volume of homogeneous NMR polarizing field |
US5483158A (en) | 1993-10-21 | 1996-01-09 | The Regents Of The University Of California | Method and apparatus for tuning MRI RF coils |
US5423315A (en) | 1993-11-22 | 1995-06-13 | Picker International, Inc. | Magnetic resonance imaging system with thin cylindrical uniform field volume and moving subjects |
US5390673A (en) | 1994-01-14 | 1995-02-21 | Cordata, Incorporated | Magnetic resonance imaging system |
DE4422781C1 (de) * | 1994-06-29 | 1996-02-01 | Siemens Ag | Aktiv geschirmte planare Gradientenspule für Polplattenmagnete |
JPH0831635A (ja) * | 1994-07-08 | 1996-02-02 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
CN1200812A (zh) | 1994-11-28 | 1998-12-02 | 模拟技术有限公司 | 用于医疗测象系统的不间断供电电源 |
JPH0927416A (ja) * | 1995-07-12 | 1997-01-28 | Toshiba Corp | 超電導コイルおよびその製造方法 |
JP3705861B2 (ja) * | 1996-03-21 | 2005-10-12 | 株式会社日立メディコ | 超電導磁石装置及びその着磁調整方法 |
US5864236A (en) * | 1996-07-05 | 1999-01-26 | Toshiba America Mri, Inc. | Open configuration MRI magnetic flux path |
US5900793A (en) * | 1997-07-23 | 1999-05-04 | Odin Technologies Ltd | Permanent magnet assemblies for use in medical applications |
US6150911A (en) * | 1996-07-24 | 2000-11-21 | Odin Technologies Ltd. | Yoked permanent magnet assemblies for use in medical applications |
DE19721985C2 (de) * | 1997-05-26 | 1999-11-04 | Siemens Ag | Gradientenspulenbaugruppe und Herstellungsverfahren |
US6157278A (en) | 1997-07-23 | 2000-12-05 | Odin Technologies Ltd. | Hybrid magnetic apparatus for use in medical applications |
US6411187B1 (en) * | 1997-07-23 | 2002-06-25 | Odin Medical Technologies, Ltd. | Adjustable hybrid magnetic apparatus |
EP1018036A4 (en) | 1997-09-25 | 2002-04-10 | Odin Technologies Ltd | MAGNETIC APPARATUS FOR MAGNETIC RESONANCE IMAGING (MRI) |
US6144204A (en) * | 1997-11-28 | 2000-11-07 | Picker Nordstar Oy | Gradient coils for magnetic resonance meeting |
US5936502A (en) * | 1997-12-05 | 1999-08-10 | Picker Nordstar Inc. | Magnet coils for MRI |
US5877665A (en) | 1997-12-17 | 1999-03-02 | General Electric Company | Thermally passive magnet mounting system for an MRI signa profile magnet in mobile trailer van |
US6235409B1 (en) | 1997-12-17 | 2001-05-22 | Alcoa Inc. | Aluminum laminate |
US6011396A (en) | 1998-01-02 | 2000-01-04 | General Electric Company | Adjustable interventional magnetic resonance imaging magnet |
WO1999040593A1 (en) | 1998-02-09 | 1999-08-12 | Odin Medical Technologies Ltd | A method for designing open magnets and open magnetic apparatus for use in mri/mrt probes |
US6029081A (en) * | 1998-03-19 | 2000-02-22 | Picker International, Inc. | Movable magnets for magnetic resonance surgery |
RU98106937A (ru) * | 1998-04-14 | 2000-02-10 | Пикер Нордстар ОЮ (FI) | Устройство для формирования изображения с помощью магнитного резонанса |
EP1094937B9 (en) | 1998-05-04 | 2009-02-18 | Clad Metals LLC | Method of making a copper core five-ply composite and cooking vessel |
US6131690A (en) | 1998-05-29 | 2000-10-17 | Galando; John | Motorized support for imaging means |
JP3034841B2 (ja) * | 1998-06-05 | 2000-04-17 | ジーイー横河メディカルシステム株式会社 | Mri用コイル、クレードル及びmri装置 |
US6311389B1 (en) * | 1998-07-01 | 2001-11-06 | Kabushiki Kaisha Toshiba | Gradient magnetic coil apparatus and method of manufacturing the same |
US6417797B1 (en) * | 1998-07-14 | 2002-07-09 | Cirrus Logic, Inc. | System for A multi-purpose portable imaging device and methods for using same |
IT1305971B1 (it) * | 1998-08-31 | 2001-05-21 | Esaote Spa | Macchina per il rilevamento di immagini in risonanza magneticanucleare del tipo dedicato al rilevamento d'immagini di limitate |
JP2000139874A (ja) * | 1998-09-02 | 2000-05-23 | Sumitomo Special Metals Co Ltd | Mri用磁界発生装置 |
US6102497A (en) * | 1998-11-03 | 2000-08-15 | Sherwood Services Ag | Universal cart |
US6259252B1 (en) * | 1998-11-24 | 2001-07-10 | General Electric Company | Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles |
US6396266B1 (en) * | 1998-11-25 | 2002-05-28 | General Electric Company | MR imaging system with interactive MR geometry prescription control |
US6166544A (en) | 1998-11-25 | 2000-12-26 | General Electric Company | MR imaging system with interactive image contrast control |
WO2000033722A2 (en) * | 1998-12-08 | 2000-06-15 | Odin Medical Technologies Ltd | System for positioning a mri probe |
JP3817383B2 (ja) | 1999-02-24 | 2006-09-06 | 株式会社日立製作所 | Mri装置 |
JP2000287950A (ja) | 1999-04-07 | 2000-10-17 | Ge Yokogawa Medical Systems Ltd | 磁場安定化方法、磁場発生装置および磁気共鳴撮像装置 |
US6317618B1 (en) | 1999-06-02 | 2001-11-13 | Odin Technologies Ltd. | Transportable intraoperative magnetic resonance imaging apparatus |
US7313429B2 (en) | 2002-01-23 | 2007-12-25 | Stereotaxis, Inc. | Rotating and pivoting magnet for magnetic navigation |
US7019610B2 (en) | 2002-01-23 | 2006-03-28 | Stereotaxis, Inc. | Magnetic navigation system |
JP2001137212A (ja) * | 1999-11-11 | 2001-05-22 | Hitachi Medical Corp | 静磁場発生装置及びそれを用いた磁気共鳴イメージング装置 |
US6262576B1 (en) | 1999-11-16 | 2001-07-17 | Picker International, Inc. | Phased array planar gradient coil set for MRI systems |
EP1102077B1 (en) | 1999-11-16 | 2006-03-08 | Neomax Co., Ltd. | Pole-piece unit for an MRI magnet |
CN1217201C (zh) | 2000-01-19 | 2005-08-31 | 千年技术公司 | C形磁共振成象系统 |
US6845262B2 (en) | 2000-03-29 | 2005-01-18 | The Brigham And Women's Hospital, Inc. | Low-field MRI |
US6998841B1 (en) * | 2000-03-31 | 2006-02-14 | Virtualscopics, Llc | Method and system which forms an isotropic, high-resolution, three-dimensional diagnostic image of a subject from two-dimensional image data scans |
JP4317646B2 (ja) * | 2000-06-26 | 2009-08-19 | 独立行政法人理化学研究所 | 核磁気共鳴装置 |
US6933722B2 (en) * | 2000-07-05 | 2005-08-23 | Hitachi Medical Corporation | Magnetic resonance imaging device and gradient magnetic field coil used for it |
DE10032836C1 (de) | 2000-07-06 | 2002-01-17 | Siemens Ag | Magnetresonanzgerät mit einem Gradientenspulensystem |
US6294972B1 (en) | 2000-08-03 | 2001-09-25 | The Mcw Research Foundation, Inc. | Method for shimming a static magnetic field in a local MRI coil |
AU2001283371A1 (en) | 2000-08-15 | 2002-02-25 | The Regents Of The University Of California | Method and apparatus for reducing contamination of an electrical signal |
JP3728199B2 (ja) * | 2000-11-14 | 2005-12-21 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
JP2002159463A (ja) * | 2000-11-15 | 2002-06-04 | Ge Medical Systems Global Technology Co Llc | Mri装置の磁界変動測定方法、磁界変動補償方法およびmri装置 |
US6677752B1 (en) | 2000-11-20 | 2004-01-13 | Stereotaxis, Inc. | Close-in shielding system for magnetic medical treatment instruments |
US6454293B1 (en) * | 2000-12-01 | 2002-09-24 | Greg H. Anderson | Transport cart for medical-related supplies |
US6529000B2 (en) * | 2000-12-29 | 2003-03-04 | Ge Medical Systems Global Technology Company, Llc | Method and system for processing magnetic resonance signals to remove transient spike noise |
US20020084782A1 (en) * | 2001-01-04 | 2002-07-04 | Warren Guthrie | Noise detector and suppressor for magnetic resonance imaging equipment |
US6662434B2 (en) | 2001-04-03 | 2003-12-16 | General Electric Company | Method and apparatus for magnetizing a permanent magnet |
US6518867B2 (en) | 2001-04-03 | 2003-02-11 | General Electric Company | Permanent magnet assembly and method of making thereof |
US6611702B2 (en) | 2001-05-21 | 2003-08-26 | General Electric Company | Apparatus for use in neonatal magnetic resonance imaging |
ITSV20010020A1 (it) | 2001-06-08 | 2002-12-08 | Esaote Spa | Macchina per l'acquisizione di immagini della zona interna di un corpo in particolare per l'acquisizione di immagini diagnostiche |
ITSV20010017A1 (it) | 2001-05-28 | 2002-11-28 | Esaote Spa | Dispositivo per il rilevamento d'immagini in risonanza magnetica nucleare |
US6725893B1 (en) * | 2001-06-07 | 2004-04-27 | Tomiko Erickson | Cover assembly for a crash cart |
JP2003024296A (ja) | 2001-07-04 | 2003-01-28 | Ge Medical Systems Global Technology Co Llc | 静磁界調整方法およびmri装置 |
CN1285321C (zh) * | 2001-10-29 | 2006-11-22 | 皇家飞利浦电子股份有限公司 | 医学检查装置的组件 |
US7082325B2 (en) | 2003-07-24 | 2006-07-25 | Dune Medical Devices Ltd. | Method and apparatus for examining a substance, particularly tissue, to characterize its type |
EP1474707B1 (en) | 2002-02-06 | 2012-07-18 | The Regents of The University of California | Squid detected nmr and mri at ultralow fields |
ITSV20020014A1 (it) | 2002-04-09 | 2003-10-09 | Esaote Spa | Metodo e dispositivo per la compensazione di campi magnetici di disturbo in volumi di spazio e macchina per il rilevamento di immagini in ri |
DE10391841D2 (de) * | 2002-05-02 | 2005-04-07 | Siemens Ag | Gradientenspulensystem für ein Magnet-Resonanz-Tomographiegerät mit effektiverer Kühlung |
US7130675B2 (en) | 2002-06-28 | 2006-10-31 | Tristan Technologies, Inc. | High-resolution magnetoencephalography system and method |
JP2004065398A (ja) | 2002-08-02 | 2004-03-04 | Hitachi Medical Corp | 永久磁石と電磁石から成るハイブリット型磁石を有する磁気共鳴イメージング装置 |
US7215231B1 (en) | 2002-08-16 | 2007-05-08 | Fonar Corporation | MRI system |
JP2004081264A (ja) * | 2002-08-23 | 2004-03-18 | Hitachi Medical Corp | 遠隔医療システム及び制御モダリティーの遠隔操作装置 |
FI113615B (fi) | 2002-10-17 | 2004-05-31 | Nexstim Oy | Kallonmuodon ja sisällön kolmiulotteinen mallinnusmenetelmä |
ITSV20020057A1 (it) | 2002-11-28 | 2004-05-29 | Esaote Spa | Combinazione di macchina per rilevamento di immagini in risonanza nucleare e lettino porta paziente |
JP2004187945A (ja) * | 2002-12-11 | 2004-07-08 | Ge Medical Systems Global Technology Co Llc | 医用イメージング装置及び医用イメージングシステム |
JP4419954B2 (ja) | 2003-02-10 | 2010-02-24 | 日立金属株式会社 | 磁界発生装置 |
US6788063B1 (en) * | 2003-02-26 | 2004-09-07 | Ge Medical Systems Technology Company, Llc | Method and system for improving transient noise detection |
US6819108B2 (en) | 2003-03-21 | 2004-11-16 | General Electric Company | Method of magnetic field controlled shimming |
JP2006528898A (ja) | 2003-05-20 | 2006-12-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ディジタル磁気共鳴勾配プリエンファシス |
US20050035764A1 (en) | 2003-08-14 | 2005-02-17 | Anthony Mantone | Method and apparatus for directly cooling hollow conductor wound transverse gradient coil boards |
WO2005029111A1 (en) * | 2003-09-19 | 2005-03-31 | Multi-Dimension Technology, Llc | Cylindrical bi-planar gradient coil for mri |
US20050154291A1 (en) * | 2003-09-19 | 2005-07-14 | Lei Zhao | Method of using a small MRI scanner |
JP2005118098A (ja) | 2003-10-14 | 2005-05-12 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
US6809619B1 (en) * | 2003-10-16 | 2004-10-26 | G.E. Medical Systems Global Technology Co., Llc | System and method for adjusting magnetic center field for permanent MRI magnetic field generator |
WO2005043185A1 (en) * | 2003-10-29 | 2005-05-12 | Koninklijke Philips Electronics N.V. | Variable field-of-view gradient coil system for magnetic resonance imaging |
US6937018B2 (en) * | 2003-10-31 | 2005-08-30 | General Electric Company | Systems and methods for fabricating pole pieces for magnetic resonance imaging systems |
US7140420B2 (en) * | 2003-11-05 | 2006-11-28 | General Electric Company | Thermal management apparatus and uses thereof |
US7850640B2 (en) | 2003-11-26 | 2010-12-14 | Acist Medical Systems, Inc. | Device, method, and computer program product for dispensing media as part of a medical procedure |
US6956375B2 (en) * | 2004-01-09 | 2005-10-18 | General Electric Company | Magnetic resonance imaging magnetic field generator |
US20050179512A1 (en) | 2004-02-12 | 2005-08-18 | Ge Medical Systems Global Technology Company, Llc | Mri system with liquid cooled rf space |
JP2005237501A (ja) | 2004-02-25 | 2005-09-08 | Shin Etsu Chem Co Ltd | 磁気回路および磁気回路磁界調整方法 |
US7030615B2 (en) | 2004-03-19 | 2006-04-18 | Siemens Aktiengesellschaft | Magnetic resonance apparatus with a positioning unit |
US7126333B2 (en) * | 2004-04-19 | 2006-10-24 | Baker Hughes Incorporated | Method and apparatus for correcting ringing in NMR signals |
ITSV20040020A1 (it) | 2004-05-07 | 2004-08-07 | Esaote Spa | Struttura magnetica per macchine mri e macchina mri |
WO2005116676A1 (en) | 2004-05-25 | 2005-12-08 | Hvidovre Hospital | Encoding and transmission of signals as rf signals for detection using an mr apparatus |
ITSV20040032A1 (it) | 2004-08-05 | 2004-11-05 | Esaote Spa | Metodo e sonda per la compensazione di campi magnetici di disturbo in volumi di spazio in particolare nelle macchine per il rilevamento di immagini in risonanza magnetica nucleare |
JP4279747B2 (ja) * | 2004-08-11 | 2009-06-17 | 株式会社日立製作所 | 核磁気共鳴装置 |
US6906517B1 (en) * | 2004-09-28 | 2005-06-14 | General Electric Company | Method and apparatus for maintaining thermal stability of permanent magnets in MRI systems |
US7135863B2 (en) | 2004-09-30 | 2006-11-14 | General Electric Company | Thermal management system and method for MRI gradient coil |
GB2419417B (en) | 2004-10-20 | 2007-05-16 | Gen Electric | Gradient bore cooling and RF shield |
GB2419416A (en) * | 2004-10-20 | 2006-04-26 | Gen Electric | Method of manufacturing gradient coil for MRI device |
CN101065754A (zh) | 2004-10-27 | 2007-10-31 | E-Z-艾姆有限公司 | 用于收集与对比剂配给有关的数据的数据收集设备、系统、方法及计算机程序产品 |
WO2006137946A2 (en) | 2004-11-23 | 2006-12-28 | M2M Imaging Corp. | Coil decoupling in magnetic resonance imaging |
WO2006057701A2 (en) * | 2004-11-24 | 2006-06-01 | Fonar Corporation | Immobilization fixture for magnetic resonance imaging |
US8014867B2 (en) * | 2004-12-17 | 2011-09-06 | Cardiac Pacemakers, Inc. | MRI operation modes for implantable medical devices |
CN101088020B (zh) * | 2004-12-22 | 2010-12-01 | 皇家飞利浦电子股份有限公司 | 具有传输线端环的射频线圈 |
GB0503622D0 (en) * | 2005-02-22 | 2005-03-30 | Siemens Magnet Technology Ltd | Shielding for mobile MRI systems |
WO2006111882A2 (en) * | 2005-04-18 | 2006-10-26 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging of a continuously moving object |
EP1907052B1 (en) | 2005-04-21 | 2010-01-13 | KSM, Inc. | Electromagnetic treatment device |
US7307423B2 (en) | 2005-05-05 | 2007-12-11 | Wisconsin A.Umni Research Foundation | Magnetic resonance elastography using multiple drivers |
WO2008024092A2 (en) | 2005-06-17 | 2008-02-28 | The Regents Of The University Of California | Nmr, mri, and spectroscopic mri in inhomogeneous fields |
US8514043B2 (en) | 2005-09-14 | 2013-08-20 | General Electric Company | Systems and methods for passively shielding a magnetic field |
US20070063801A1 (en) * | 2005-09-16 | 2007-03-22 | Laskaris Evangelos T | System and method for magnetic resonance imaging |
US7835785B2 (en) | 2005-10-04 | 2010-11-16 | Ascension Technology Corporation | DC magnetic-based position and orientation monitoring system for tracking medical instruments |
CN101297212B (zh) | 2005-10-27 | 2013-07-17 | 皇家飞利浦电子股份有限公司 | Mri中发射器的主动去耦 |
GB2435327B (en) * | 2005-11-01 | 2008-01-09 | Siemens Magnet Technology Ltd | Transportable magnetic resonance imaging (MRI) system |
US20090163798A1 (en) | 2005-11-17 | 2009-06-25 | Brain Research Institute Pty Ltd | Apparatus and method for detection and monitoring of electrical activity and motion in the presence of a magnetic field |
JP5283839B2 (ja) | 2005-11-25 | 2013-09-04 | 東芝メディカルシステムズ株式会社 | 医用画像診断システム |
US7659719B2 (en) | 2005-11-25 | 2010-02-09 | Mr Instruments, Inc. | Cavity resonator for magnetic resonance systems |
CN100411585C (zh) * | 2005-11-30 | 2008-08-20 | 西门子(中国)有限公司 | 磁共振成像系统的大视野成像装置 |
JP4665751B2 (ja) * | 2005-12-22 | 2011-04-06 | 株式会社日立製作所 | 高抵抗磁石を用いたmri装置 |
US7573268B2 (en) | 2006-02-22 | 2009-08-11 | Los Alamos National Security, Llc | Direct imaging of neural currents using ultra-low field magnetic resonance techniques |
WO2007103953A2 (en) | 2006-03-09 | 2007-09-13 | Insight Neuroimaging Systems, Llc | Microstrip coil designs for mri devices |
CN101438187B (zh) | 2006-03-11 | 2012-08-08 | 希固纳诺图有限责任公司 | 紧凑且便携低场脉冲nmr分散体分析器 |
US7271591B1 (en) | 2006-03-15 | 2007-09-18 | General Electric Company | Methods and apparatus for MRI shims |
US8120358B2 (en) | 2006-04-13 | 2012-02-21 | The Regents Of The University Of California | Magnetic resonance imaging with high spatial and temporal resolution |
CN1831552B (zh) * | 2006-04-20 | 2010-05-12 | 华东师范大学 | 基于usb总线的一体化核磁共振谱仪控制台 |
EP2016436A1 (en) | 2006-04-24 | 2009-01-21 | Koninklijke Philips Electronics N.V. | Simple decoupling of a multi-element rf coil, enabling also detuning and matching functionality |
US7592807B2 (en) * | 2006-04-25 | 2009-09-22 | The Board Of Trustees Of The Leland Stanford Junior University | Maximum likelihood estimator in the presence of non-identically distributed noise for decomposition of chemical species in MRI |
US7821402B2 (en) | 2006-05-05 | 2010-10-26 | Quality Electrodynamics | IC tags/RFID tags for magnetic resonance imaging applications |
JP4969148B2 (ja) * | 2006-05-17 | 2012-07-04 | 株式会社日立メディコ | シムコイルの製造方法および磁気共鳴イメージング装置 |
US8626266B1 (en) * | 2006-06-01 | 2014-01-07 | Perinatronics Medical Systems, Inc. | ECG triggered heart and arterial magnetic resonance imaging |
US20070285197A1 (en) | 2006-06-08 | 2007-12-13 | General Electric Company | Method for disassembling a magnetic field generator |
JP4847236B2 (ja) * | 2006-07-07 | 2011-12-28 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
WO2008008447A2 (en) | 2006-07-12 | 2008-01-17 | The Regents Of The University Of California | Portable device for ultra-low field magnetic resonance imaging (ulf-mri) |
US7253627B1 (en) * | 2006-07-19 | 2007-08-07 | Univ King Fahd Pet & Minerals | Method for removing noise from nuclear magnetic resonance signals and images |
US20080027306A1 (en) | 2006-07-31 | 2008-01-31 | General Electric Company | System and method for initiating a diagnostic imaging scan |
US20080048658A1 (en) * | 2006-08-24 | 2008-02-28 | Stephen Gerard Hushek | Automatic noise cancellation for unshielded mr systems |
US7436180B2 (en) | 2006-10-04 | 2008-10-14 | General Electric Company | Gradient coil apparatus and method of fabricating a gradient coil to reduce artifacts in MRI images |
US8850338B2 (en) | 2006-10-13 | 2014-09-30 | Siemens Medical Solutions Usa, Inc. | System and method for selection of anatomical images for display using a touch-screen display |
US20080139896A1 (en) | 2006-10-13 | 2008-06-12 | Siemens Medical Solutions Usa, Inc. | System and Method for Graphical Annotation of Anatomical Images Using a Touch Screen Display |
EP2084550A1 (en) | 2006-11-08 | 2009-08-05 | T2 Biosystems, Inc. | Nmr systems for in vivo detection of analytes |
GB2445759A (en) * | 2006-11-28 | 2008-07-23 | Inst Of Food Res | Magnetic resonance imaging scanner |
US7511502B2 (en) * | 2007-01-05 | 2009-03-31 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
US7759938B2 (en) | 2007-02-05 | 2010-07-20 | Morpho Detection, Inc. | Apparatus and method for varying magnetic field strength in magnetic resonance measurements |
JP5222735B2 (ja) * | 2007-02-06 | 2013-06-26 | 株式会社日立メディコ | 磁気共鳴イメージング装置および傾斜磁場コイル |
EP1962100A1 (en) | 2007-02-20 | 2008-08-27 | Esaote S.p.A. | Magnetic structure for MRI machines and MRI machine particularly for orthopedic or rheumatologic applications |
DE102007009203B4 (de) | 2007-02-26 | 2012-03-22 | Siemens Ag | Verfahren zur Bestimmung oder Anpassung eines Shims zur Homogenisierung eines Magnetfeldes einer Magnetresonanzeinrichtung und zugehörige Magnetresonanzeinrichtung |
US7414401B1 (en) | 2007-03-26 | 2008-08-19 | General Electric Company | System and method for shielded dynamic shimming in an MRI scanner |
US7489131B2 (en) * | 2007-04-23 | 2009-02-10 | General Electric Co. | System and apparatus for direct cooling of gradient coils |
US7671587B2 (en) | 2007-05-04 | 2010-03-02 | California Institute Of Technology | Low field SQUID MRI devices, components and methods |
US8175677B2 (en) * | 2007-06-07 | 2012-05-08 | MRI Interventions, Inc. | MRI-guided medical interventional systems and methods |
WO2008153036A1 (ja) * | 2007-06-14 | 2008-12-18 | Hitachi Medical Corporation | オープン型磁気共鳴イメージング装置 |
US20080315879A1 (en) * | 2007-06-19 | 2008-12-25 | General Electric Company | System and apparatus for electromagnetic noise detection in an mr imaging scanner environment |
US20120003160A1 (en) | 2007-06-29 | 2012-01-05 | Amag Pharmaceuticals, Inc. | Macrophage-Enhanced MRI (MEMRI) in a Single Imaging Session |
US8378677B2 (en) | 2007-07-02 | 2013-02-19 | Koninklijke Philips Electronics N.V. | Thermally stabilized pet detector for hybrid PET-MR system |
US8335359B2 (en) | 2007-07-20 | 2012-12-18 | General Electric Company | Systems, apparatus and processes for automated medical image segmentation |
US20100219833A1 (en) * | 2007-07-26 | 2010-09-02 | Emscan Limited | Magnet assembly |
WO2009028436A1 (ja) * | 2007-08-30 | 2009-03-05 | Hitachi Medical Corporation | オープン型mri装置及びオープン型超電導mri装置 |
US8570042B2 (en) | 2007-08-31 | 2013-10-29 | The Regents Of The University Of California | Adjustable permanent magnet assembly for NMR and MRI |
CN101388271A (zh) * | 2007-09-14 | 2009-03-18 | Ge医疗系统环球技术有限公司 | 磁体系统和mri设备 |
CN101162637B (zh) * | 2007-09-17 | 2011-05-11 | 山西省平遥县新星磁材有限公司 | 超高场强磁选机用永磁体装置 |
US8169221B2 (en) * | 2007-10-31 | 2012-05-01 | Griswold Mark A | Multi-frequency excitation coils for MRI |
US8519708B2 (en) | 2007-11-06 | 2013-08-27 | T2 Biosystems, Inc. | Small magnet and RF coil for magnetic resonance relaxometry |
WO2009062145A1 (en) | 2007-11-09 | 2009-05-14 | Vista Clara, Inc. | Multicoil low-field nuclear magnetic resonance detection and imaging apparatus and method |
US7812604B2 (en) | 2007-11-14 | 2010-10-12 | General Electric Company | Thermal management system for cooling a heat generating component of a magnetic resonance imaging apparatus |
ITTO20070840A1 (it) | 2007-11-23 | 2009-05-24 | Paramed Medical Systems S R L | Sistema di posizionamento per un'apparecchiatura medicale, ed apparecchiatura di imaging a risonanza magnetica comprendente un tale sistema |
EP2225579A1 (en) * | 2007-11-27 | 2010-09-08 | Arjae Spectral Enterprises, Inc. | Noise reduction by means of spectral parallelism |
US8570035B2 (en) | 2007-12-14 | 2013-10-29 | The Regents Of The University Of California | Magnetic resonance imaging of living systems by remote detection |
US7753165B2 (en) * | 2007-12-21 | 2010-07-13 | Robert Bosch Gmbh | Device and method for active noise cancellation in exhaust gas channel of a combustion engine |
US8253415B2 (en) | 2008-03-10 | 2012-08-28 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
EP2262570A1 (en) | 2008-03-12 | 2010-12-22 | Navotek Medical Ltd. | Combination mri and radiotherapy systems and methods of use |
JP5170540B2 (ja) | 2008-04-24 | 2013-03-27 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
WO2009137354A1 (en) | 2008-05-05 | 2009-11-12 | Mayo Foundation For Medical Education And Research | Method for assessing the probability of disease development in tissue |
US7834270B2 (en) | 2008-07-07 | 2010-11-16 | Imris Inc. | Floating segmented shield cable assembly |
US7936170B2 (en) * | 2008-08-08 | 2011-05-03 | General Electric Co. | RF coil and apparatus to reduce acoustic noise in an MRI system |
US8255038B2 (en) | 2008-08-28 | 2012-08-28 | Siemens Medical Solutions Usa, Inc. | System and method for non-uniform image scanning and acquisition |
WO2010029725A1 (ja) * | 2008-09-10 | 2010-03-18 | 株式会社竹中工務店 | 磁気シールドシステム及び磁気シールド方法 |
US8692412B2 (en) | 2008-09-27 | 2014-04-08 | Witricity Corporation | Temperature compensation in a wireless transfer system |
AR073770A1 (es) * | 2008-10-20 | 2010-12-01 | Imclone Llc | Anticuerpo aislado que se enlaza especificamente con, e induce la degradacion del receptor-3 del factor de crecimiento del fibroblasto humano (fgfr-3), fragmento de enlace fgfr-3 humano del mismo, composicion farmaceutica y producto que lo comprenden |
EP2184615A1 (en) | 2008-11-05 | 2010-05-12 | Koninklijke Philips Electronics N.V. | A magnetic resonance imaging system comprising a power supply unit adapted for providing direct current electrical power |
US7902826B2 (en) * | 2008-12-12 | 2011-03-08 | General Electric Company | Transverse gradient coil for MRI systems and method for manufacturing the same |
US9222998B2 (en) | 2008-12-18 | 2015-12-29 | Grum Teklemariam | Compact inhomogeneous permanent magnetic field generator for magnetic resonance imaging |
US8328732B2 (en) | 2008-12-18 | 2012-12-11 | Devicor Medical Products, Inc. | Control module interface for MRI biopsy device |
JP4852091B2 (ja) * | 2008-12-22 | 2012-01-11 | 株式会社日立メディコ | 傾斜磁場コイル装置、核磁気共鳴撮像装置、および、コイルパターンの設計方法 |
JP4982881B2 (ja) * | 2008-12-26 | 2012-07-25 | 国立大学法人 熊本大学 | 位相差強調画像化法(PhaseDifferenceEnhancedImaging;PADRE)、機能画像作成法、位相差強調画像化プログラム、位相差強調画像化装置、機能画像作成装置および磁気共鳴画像化(MagneticResonanceImaging;MRI)装置 |
CN101788655A (zh) * | 2009-01-24 | 2010-07-28 | Ge医疗系统环球技术有限公司 | 磁共振成像系统以及使该系统中主磁体的温度稳定的方法 |
US8253416B2 (en) * | 2009-03-10 | 2012-08-28 | Time Medical Holdings Company Limited | Superconductor magnetic resonance imaging system and method (super-MRI) |
EP2230530A1 (en) * | 2009-03-20 | 2010-09-22 | Koninklijke Philips Electronics N.V. | A tesseral shim coil for a magnetic resonance system |
WO2010122551A1 (en) * | 2009-04-21 | 2010-10-28 | Aspect Magnet Technologies Ltd. | Permanent magnet arrangement with solid facing plate and scanning magnet head |
US20100292564A1 (en) * | 2009-05-18 | 2010-11-18 | Cantillon Murphy Padraig J | System and Method For Magnetic-Nanoparticle, Hyperthermia Cancer Therapy |
US8064183B2 (en) | 2009-06-01 | 2011-11-22 | Olliges William E | Capacitor based bi-directional degaussing device with chamber |
EP2440129A4 (en) | 2009-06-08 | 2015-06-03 | Mri Interventions Inc | MRI-CONTROLLED SURGICAL SYSTEMS WITH PRESET SCAN SURFACES |
US8198891B2 (en) * | 2009-06-15 | 2012-06-12 | General Electric Company | System, method, and apparatus for magnetic resonance RF-field measurement |
DE102009027119B4 (de) * | 2009-06-23 | 2013-01-17 | Sirona Dental Systems Gmbh | Magnetfeldeinheit eines MRT-Systems zur bildgebenden Erfassung eines Kopfbereichs |
GB2471705B (en) | 2009-07-09 | 2011-07-27 | Siemens Magnet Technology Ltd | Methods and apparatus for storage of energy removed from superconducting magnets |
ITGE20090059A1 (it) * | 2009-07-28 | 2011-01-29 | Esaote Spa | Macchina per il rilevamento di immagini mri |
JP5570910B2 (ja) * | 2009-09-28 | 2014-08-13 | 株式会社東芝 | 磁気共鳴イメージング装置 |
US8642900B2 (en) | 2009-10-16 | 2014-02-04 | Emprimus, Llc | Modular electromagnetically shielded enclosure |
US20110142316A1 (en) | 2009-10-29 | 2011-06-16 | Ge Wang | Tomography-Based and MRI-Based Imaging Systems |
US8816684B2 (en) * | 2009-11-09 | 2014-08-26 | Vista Clara Inc. | Noise canceling in-situ NMR detection |
US10162026B2 (en) | 2009-11-09 | 2018-12-25 | Vista Clara Inc. | Noise canceling in-situ NMR detection |
US8378682B2 (en) | 2009-11-17 | 2013-02-19 | Muralidhara Subbarao | Field image tomography for magnetic resonance imaging |
US8593141B1 (en) | 2009-11-24 | 2013-11-26 | Hypres, Inc. | Magnetic resonance system and method employing a digital squid |
JP5782450B2 (ja) * | 2009-12-10 | 2015-09-24 | コーニンクレッカ フィリップス エヌ ヴェ | 高周波遮蔽若しくはエンクロージャを持つ磁気共鳴対応電気機器 |
DE112010004900B4 (de) * | 2009-12-21 | 2019-05-09 | Nmr Holdings No. 2 Pty Limited | 0pen-Bore-Magnet zur Verwendung bei Magnetresonanztomographie |
ES2654789T3 (es) | 2009-12-28 | 2018-02-15 | Profound Medical Inc | Aparato terapéutico |
EP2519786B1 (en) | 2009-12-28 | 2019-03-27 | Koninklijke Philips N.V. | Cryo-cooling system with a tubular thermal switch |
US8427148B2 (en) | 2009-12-31 | 2013-04-23 | Analogic Corporation | System for combining magnetic resonance imaging with particle-based radiation systems for image guided radiation therapy |
CN102781311B (zh) | 2010-02-24 | 2016-09-21 | 优瑞技术公司 | 分体式磁共振成像系统 |
US8970217B1 (en) * | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
WO2011127946A1 (en) | 2010-04-15 | 2011-10-20 | Elekta Ab (Publ) | Radiotherapy apparatus |
EP2388610A1 (en) * | 2010-05-20 | 2011-11-23 | Koninklijke Philips Electronics N.V. | Magnetic Resonance Imaging Gradient Coil, Magnet Assembly, and System |
GB201009101D0 (en) * | 2010-06-01 | 2010-07-14 | Nordic Bioscience As | Computer based analysis of MRI images |
CN101869479B (zh) * | 2010-06-13 | 2012-04-18 | 苏州纽迈电子科技有限公司 | 可移动式低场核磁共振成像系统 |
JP5815030B2 (ja) | 2010-07-23 | 2015-11-17 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 相互結合したmri干渉を除去する二重圧力センサ信号チェーン |
JP5618683B2 (ja) * | 2010-08-03 | 2014-11-05 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び輝度不均一補正方法 |
JP5482554B2 (ja) * | 2010-08-04 | 2014-05-07 | 株式会社村田製作所 | 積層型コイル |
EP2418516A3 (en) * | 2010-08-12 | 2014-02-19 | E-Pharma Trento S.p.A. | Apparatus and method for detecting the presence of a particle of a ferromagnetic metal in a packaging of a paramagnetic material |
US9417301B2 (en) * | 2010-08-25 | 2016-08-16 | Koninklijke Philips N.V. | RF shield for MRI comprising conductive coating as shielding material |
EP2423699A1 (en) * | 2010-08-30 | 2012-02-29 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging system, computer system, and computer program product for sending control messages to an anesthesia system |
GB2483889A (en) * | 2010-09-22 | 2012-03-28 | Tesla Engineering Ltd | Gradient coil sub assemblies |
GB2483890A (en) * | 2010-09-22 | 2012-03-28 | Tesla Engineering Ltd | MRIS gradient coil assembly with screening layers connected to respective coil layers |
US9500731B2 (en) | 2010-10-15 | 2016-11-22 | Eleazar Castillo | Shimming device and method to improve magnetic field homogeneity in magnetic resonance imaging devices |
US8638096B2 (en) | 2010-10-19 | 2014-01-28 | The Board Of Trustees Of The Leland Stanford Junior University | Method of autocalibrating parallel imaging interpolation from arbitrary K-space sampling with noise correlations weighted to reduce noise of reconstructed images |
US8409807B2 (en) | 2010-10-22 | 2013-04-02 | T2 Biosystems, Inc. | NMR systems and methods for the rapid detection of analytes |
US8563298B2 (en) | 2010-10-22 | 2013-10-22 | T2 Biosystems, Inc. | NMR systems and methods for the rapid detection of analytes |
US8901928B2 (en) | 2010-11-09 | 2014-12-02 | Imris Inc. | MRI safety system |
KR101152835B1 (ko) * | 2010-12-27 | 2012-06-12 | 한국표준과학연구원 | 자기장 상쇄 장치 및 자기장 상쇄 방법 |
CN102073024B (zh) * | 2011-01-31 | 2013-03-06 | 汕头市超声仪器研究所有限公司 | 一种手持式超低场mri的成像装置 |
US8374663B2 (en) | 2011-01-31 | 2013-02-12 | General Electric Company | Cooling system and method for cooling superconducting magnet devices |
WO2012129281A2 (en) | 2011-03-22 | 2012-09-27 | The General Hospital Corporation | Detection of targets using magnetic resonance |
WO2012143021A1 (en) * | 2011-04-21 | 2012-10-26 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e. V. | Spatially encoded phase-contrast mri |
US8558547B2 (en) * | 2011-05-05 | 2013-10-15 | General Electric Company | System and method for magnetic resonance radio-frequency field mapping |
US9833168B2 (en) * | 2011-06-06 | 2017-12-05 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Noise tolerant localization systems and methods |
US9581668B2 (en) | 2011-06-13 | 2017-02-28 | Vanderbilt University | Multiple resonance NMR spectroscopy using a single transmitter |
US9351662B2 (en) | 2011-06-17 | 2016-05-31 | Microsoft Technology Licensing, Llc | MRI scanner that outputs bone strength indicators |
CN102360691B (zh) * | 2011-06-24 | 2013-03-13 | 中国科学院电工研究所 | 一种带有铁环结构的开放式核磁共振磁体系统 |
WO2013016639A1 (en) | 2011-07-28 | 2013-01-31 | Brigham And Women's Hospital, Inc. | Systems and methods for portable magnetic resonance measurements of lung properties |
US9254097B2 (en) | 2011-09-19 | 2016-02-09 | Los Alamos National Security, Llc | System and method for magnetic current density imaging at ultra low magnetic fields |
DE102011083204B4 (de) * | 2011-09-22 | 2018-12-20 | Siemens Healthcare Gmbh | Kühleinrichtung für eine Gradientenspule und deren Verwendung |
JP5960152B2 (ja) * | 2011-10-21 | 2016-08-02 | 株式会社日立製作所 | 磁気共鳴イメージング装置およびその運転方法 |
FI125397B (en) * | 2012-01-24 | 2015-09-30 | Elekta Ab | A method for using spatial and temporal oversampling in multichannel measurements |
TWI587597B (zh) | 2012-02-17 | 2017-06-11 | Lg伊諾特股份有限公司 | 無線電力傳輸器,無線電力接收器,以及無線電力傳輸系統的電力傳輸方法 |
JP2013175028A (ja) | 2012-02-24 | 2013-09-05 | Alps Electric Co Ltd | 操作感触付与型入力装置 |
US9316707B2 (en) | 2012-04-18 | 2016-04-19 | General Electric Company | System and method of receive sensitivity correction in MR imaging |
US9500727B2 (en) | 2012-04-20 | 2016-11-22 | Regents Of The University Of Minnesota | System and method for control of RF circuits for use with an MRI system |
US9883878B2 (en) | 2012-05-15 | 2018-02-06 | Pulse Therapeutics, Inc. | Magnetic-based systems and methods for manipulation of magnetic particles |
US9244139B2 (en) | 2012-05-18 | 2016-01-26 | Neocoil, Llc | Method and apparatus for MRI compatible communications |
EP2852423B1 (de) * | 2012-05-21 | 2018-07-11 | Boehringer Ingelheim International GmbH | System aus inhalator und kapsel |
CN104507386B (zh) | 2012-06-15 | 2019-04-19 | 通用医疗公司 | 旋转阵列的永磁体用于便携式磁共振成像的系统和方法 |
US8993898B2 (en) | 2012-06-26 | 2015-03-31 | ETS-Lindgren Inc. | Movable EMF shield, method for facilitating rapid imaging and treatment of patient |
US8825132B2 (en) * | 2012-07-04 | 2014-09-02 | Bruker Biospin Gmbh | Field cycling method for magnetic resonance |
GB201212813D0 (en) * | 2012-07-19 | 2012-09-05 | Univ Aberdeen | Apparatus for use with an MRI scanner |
US20140066739A1 (en) | 2012-08-29 | 2014-03-06 | Bin He | System and method for quantifying or imaging pain using electrophysiological measurements |
CN102800057A (zh) * | 2012-09-18 | 2012-11-28 | 苏州安科医疗系统有限公司 | 一种用于磁共振成像基于相位一致性的图像去噪方法 |
US9910115B2 (en) | 2012-10-22 | 2018-03-06 | The General Hospital Corporation | System and method for portable magnetic resonance imaging using a rotating array of magnets |
US9766316B2 (en) | 2012-11-16 | 2017-09-19 | Hitachi, Ltd. | Magnetic resonance imaging device and quantitative susceptibility mapping method |
CN103852740B (zh) * | 2012-11-30 | 2016-12-07 | 通用电气公司 | 降低涡电流磁场的系统和方法 |
CN104736051B (zh) | 2012-12-05 | 2017-08-11 | 株式会社日立制作所 | 磁共振成像装置以及磁共振成像装置的风扇电动机的运转方法 |
US9268572B2 (en) | 2012-12-11 | 2016-02-23 | International Business Machines Corporation | Modify and execute next sequential instruction facility and instructions therefor |
EP2749318A1 (en) | 2012-12-28 | 2014-07-02 | Theraclion SA | Image-guided therapeutic apparatus and method of preparation of an image-guided therapeutic apparatus for treatment of tissue |
US9355774B2 (en) * | 2012-12-28 | 2016-05-31 | General Electric Company | System and method for manufacturing magnetic resonance imaging coils using ultrasonic consolidation |
CN105392423B (zh) | 2013-02-01 | 2018-08-17 | 凯内蒂科尔股份有限公司 | 生物医学成像中的实时适应性运动补偿的运动追踪系统 |
EP2765437B1 (en) * | 2013-02-12 | 2020-05-06 | Siemens Healthcare GmbH | A simple method to denoise ratio images in magnetic resonance imaging |
JP6490900B2 (ja) * | 2013-03-01 | 2019-03-27 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置及び傾斜磁場コイル |
EP2967476B1 (en) | 2013-03-15 | 2020-05-20 | Mobius Imaging, Llc | Mobile x-ray imaging system |
EP2967423B1 (en) | 2013-03-15 | 2021-06-30 | Synaptive Medical Inc. | Insert imaging device for surgical procedures |
US10311598B2 (en) | 2013-05-16 | 2019-06-04 | The Regents Of The University Of California | Fully automated localization of electroencephalography (EEG) electrodes |
US20160011290A1 (en) | 2013-05-21 | 2016-01-14 | Victor Iannello | Non-Invasive, In-Vivo Measurement of Blood Constituents Using a Portable Nuclear Magnetic Resonance Device |
DE102013210237B4 (de) | 2013-06-03 | 2016-12-29 | Siemens Healthcare Gmbh | Verfahren zum Betreiben eines mobilen Magnetresonanztomographiesystems |
CA2939405C (en) | 2013-09-17 | 2022-04-26 | Synaptive Medical (Barbados) Inc. | Coil assembly for magnetic resonance imaging |
DE202013105212U1 (de) | 2013-11-17 | 2013-12-19 | Aspect Imaging Ltd. | Schließvorrichtung eines MRT-Inkubators |
MX2016007236A (es) * | 2013-12-04 | 2016-08-04 | Obalon Therapeutics Inc | Sistemas y metodos para ubicar y/o caracterizar dispositivos intragastricos. |
WO2015085257A1 (en) | 2013-12-06 | 2015-06-11 | Sonitrack Systems, Inc. | Mechanically driven ultrasound scanning system and method |
US20150198684A1 (en) * | 2014-01-13 | 2015-07-16 | Tamer BASHA | System and Method For Flexible Automated Magnetic Resonance Imaging Reconstruction |
DE202014101104U1 (de) | 2014-03-09 | 2014-04-03 | Aspect Imaging Ltd. | Eine wärmeisolierende MRT-Ummantelung |
US10317502B2 (en) | 2014-03-31 | 2019-06-11 | Koninklijke Philips N.V. | Magnetic resonance imaging with RF noise detection coils |
US20150285882A1 (en) | 2014-04-03 | 2015-10-08 | University Of Maryland, Baltimore | Portable system and method for mri imaging and tissue analysis |
CN103913778B (zh) * | 2014-04-10 | 2017-02-15 | 吉林大学 | 多个近端参考线圈的核磁共振信号实时噪声抵消装置 |
WO2015159082A2 (en) | 2014-04-15 | 2015-10-22 | Imperial Innovations Limited | Mri apparatus and methods |
IL303658B1 (en) | 2014-06-02 | 2024-03-01 | Transmedics Inc | Extracorporeal system for organ treatment |
US9678183B2 (en) | 2014-08-14 | 2017-06-13 | General Electric Company | Wireless actuator circuit for wireless actuation of micro electromechanical system switch for magnetic resonance imaging |
MX2017002939A (es) | 2014-09-05 | 2017-12-07 | Hyperfine Res Inc | Configuracion automatica de un sistema de formacion de imagenes por resonancia magnetica de campo bajo. |
US20160069967A1 (en) * | 2014-09-10 | 2016-03-10 | General Electric Company | Apparatus and system for imaging an intubated patient |
JP6464637B2 (ja) * | 2014-09-26 | 2019-02-06 | 株式会社ノーリツ | コージェネレーションシステム |
US10813564B2 (en) | 2014-11-11 | 2020-10-27 | Hyperfine Research, Inc. | Low field magnetic resonance methods and apparatus |
CA3115673A1 (en) | 2014-11-11 | 2016-05-19 | Hyperfine Research, Inc. | Pulse sequences for low field magnetic resonance |
JP6268108B2 (ja) * | 2015-01-30 | 2018-01-24 | 株式会社日立製作所 | 超電導磁石ならびに磁気共鳴撮像装置 |
WO2016168249A1 (en) | 2015-04-13 | 2016-10-20 | Hyperfine Research, Inc. | Magnetic coil power methods and apparatus |
KR20180018542A (ko) | 2015-05-12 | 2018-02-21 | 하이퍼파인 리서치, 인크. | 고주파 코일 방법 및 장치 |
US10194829B2 (en) | 2015-07-07 | 2019-02-05 | Q Bio, Inc. | Fast scanning based on magnetic resonance history |
US9958521B2 (en) | 2015-07-07 | 2018-05-01 | Q Bio, Inc. | Field-invariant quantitative magnetic-resonance signatures |
US10031198B2 (en) * | 2015-08-04 | 2018-07-24 | General Electric Company | Methods and systems for a dual wind gradient coil |
CN106483483B (zh) * | 2015-08-27 | 2019-09-06 | 通用电气公司 | 梯度线圈及其制造方法 |
KR102454746B1 (ko) * | 2015-10-01 | 2022-10-17 | 삼성전자주식회사 | 통신 시스템에서 미디어 리소스 식별 정보를 송수신하는 장치 및 방법 |
CA3123141A1 (en) | 2016-03-22 | 2017-09-28 | Hyperfine Research, Inc. | Methods and apparatus for magnetic field shimming |
US10359486B2 (en) | 2016-04-03 | 2019-07-23 | Q Bio, Inc. | Rapid determination of a relaxation time |
DE102016211072A1 (de) * | 2016-06-21 | 2017-12-21 | Siemens Healthcare Gmbh | Verfahren zu einem Bereitstellen einer Auswahl von zumindest einem Protokollparameter aus einer Vielzahl von Protokollparametern sowie eine Magnetresonanzvorrichtung hierzu |
TWI685668B (zh) | 2016-09-29 | 2020-02-21 | 美商超精細研究股份有限公司 | 磁共振成像系統,以及搭配該磁共振成像系統使用之調諧系統 |
US10627464B2 (en) | 2016-11-22 | 2020-04-21 | Hyperfine Research, Inc. | Low-field magnetic resonance imaging methods and apparatus |
KR20190087455A (ko) | 2016-11-22 | 2019-07-24 | 하이퍼파인 리서치, 인크. | 자기 공명 이미지들에서의 자동화된 검출을 위한 시스템들 및 방법들 |
US10585153B2 (en) | 2016-11-22 | 2020-03-10 | Hyperfine Research, Inc. | Rotatable magnet methods and apparatus for a magnetic resonance imaging system |
US10539637B2 (en) | 2016-11-22 | 2020-01-21 | Hyperfine Research, Inc. | Portable magnetic resonance imaging methods and apparatus |
EP3467531A1 (de) * | 2017-10-05 | 2019-04-10 | Siemens Healthcare GmbH | Magnetresonanztomograph mit aktiver störunterdrückung und verfahren zur störunterdrückung in einem magnetresonanztomographen |
AU2019256553A1 (en) | 2018-04-20 | 2020-10-22 | Hyperfine Operations, Inc. | Deployable guard for portable magnetic resonance imaging devices |
EP3797307A4 (en) | 2018-05-21 | 2022-02-16 | Hyperfine, Inc. | B0 MAGNETIC METHOD AND APPARATUS FOR A MAGNETIC RESONANCE IMAGING SYSTEM |
AU2019272580A1 (en) | 2018-05-21 | 2020-11-12 | Hyperfine Operations, Inc. | Radio-frequency coil signal chain for a low-field MRI system |
TW202015621A (zh) | 2018-07-19 | 2020-05-01 | 美商超精細研究股份有限公司 | 在磁共振成像中患者定位之方法及設備 |
US11300645B2 (en) | 2018-07-30 | 2022-04-12 | Hyperfine Operations, Inc. | Deep learning techniques for magnetic resonance image reconstruction |
CA3106683A1 (en) | 2018-07-31 | 2020-02-06 | Hyperfine Research, Inc. | Medical imaging device messaging service |
TW202012951A (zh) | 2018-07-31 | 2020-04-01 | 美商超精細研究股份有限公司 | 低場漫射加權成像 |
CN113557526A (zh) | 2018-08-15 | 2021-10-26 | 海珀菲纳股份有限公司 | 用于抑制磁共振图像中的伪影的深度学习技术 |
CA3122087A1 (en) | 2018-12-19 | 2020-06-25 | Hyperfine Research, Inc. | System and methods for grounding patients during magnetic resonance imaging |
EP3903117A2 (en) | 2018-12-28 | 2021-11-03 | Hyperfine, Inc. | Correcting for hysteresis in magnetic resonance imaging |
AU2020237054A1 (en) | 2019-03-12 | 2021-09-23 | Hyperfine Operations, Inc. | Systems and methods for magnetic resonance imaging of infants |
US11344219B2 (en) | 2019-03-14 | 2022-05-31 | Hyperfine Operations, Inc. | Deep learning techniques for alignment of magnetic resonance images |
JP2022530622A (ja) | 2019-04-26 | 2022-06-30 | ハイパーファイン,インコーポレイテッド | 磁気共鳴画像法システムの動的制御のための技術 |
US20200352473A1 (en) | 2019-05-07 | 2020-11-12 | Hyperfine Research, Inc. | Systems, devices, and methods for magnetic resonance imaging of infants |
EP4014057A1 (en) | 2019-08-15 | 2022-06-22 | Hyperfine Operations, Inc. | Eddy current mitigation systems and methods |
US11510588B2 (en) | 2019-11-27 | 2022-11-29 | Hyperfine Operations, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
DE102020202830A1 (de) * | 2020-03-05 | 2021-09-09 | Siemens Healthcare Gmbh | Magnetresonanztomograph und Verfahren zum Betrieb mit dynamischer B0-Kompensation |
-
2015
- 2015-09-04 MX MX2017002939A patent/MX2017002939A/es unknown
- 2015-09-04 CN CN201580054059.1A patent/CN107110931B/zh active Active
- 2015-09-04 JP JP2017531980A patent/JP6674645B2/ja active Active
- 2015-09-04 CN CN202010597758.3A patent/CN111896903A/zh active Pending
- 2015-09-04 EP EP15838504.7A patent/EP3189344A4/en not_active Withdrawn
- 2015-09-04 BR BR112017004357A patent/BR112017004357A2/pt active Search and Examination
- 2015-09-04 WO PCT/US2015/048479 patent/WO2016037028A1/en active Application Filing
- 2015-09-04 EP EP15837569.1A patent/EP3189340A4/en active Pending
- 2015-09-04 MX MX2017002940A patent/MX2017002940A/es unknown
- 2015-09-04 CA CA3043063A patent/CA3043063A1/en not_active Abandoned
- 2015-09-04 CN CN202010717926.8A patent/CN111983536A/zh active Pending
- 2015-09-04 CA CA3043061A patent/CA3043061A1/en not_active Abandoned
- 2015-09-04 EP EP15838618.5A patent/EP3189342A4/en active Pending
- 2015-09-04 KR KR1020177009177A patent/KR20170048558A/ko active IP Right Grant
- 2015-09-04 US US14/845,949 patent/US9547057B2/en active Active
- 2015-09-04 EP EP15838773.8A patent/EP3189343A4/en active Pending
- 2015-09-04 JP JP2017531981A patent/JP6684804B2/ja active Active
- 2015-09-04 US US14/846,158 patent/US10768255B2/en active Active
- 2015-09-04 US US14/846,255 patent/US9638773B2/en active Active
- 2015-09-04 US US14/846,042 patent/US9645210B2/en active Active
- 2015-09-04 CN CN201580053879.9A patent/CN107110930B/zh active Active
- 2015-09-04 WO PCT/US2015/048470 patent/WO2016037025A1/en active Application Filing
- 2015-09-04 AU AU2015311725A patent/AU2015311725A1/en not_active Abandoned
- 2015-09-04 WO PCT/US2015/048484 patent/WO2016037030A1/en active Application Filing
- 2015-09-04 KR KR1020177009185A patent/KR20170048560A/ko active IP Right Grant
- 2015-09-04 BR BR112017004369A patent/BR112017004369A2/pt not_active Application Discontinuation
- 2015-09-04 AU AU2015311828A patent/AU2015311828B2/en not_active Ceased
- 2015-09-04 CN CN201580055003.8A patent/CN107110933B/zh not_active Expired - Fee Related
- 2015-09-04 AU AU2015311825A patent/AU2015311825B2/en not_active Ceased
- 2015-09-04 US US14/845,652 patent/US9817093B2/en active Active
- 2015-09-04 WO PCT/US2015/048515 patent/WO2016037042A1/en active Application Filing
- 2015-09-04 JP JP2017531982A patent/JP6761416B2/ja active Active
- 2015-09-04 CA CA2960194A patent/CA2960194C/en not_active Expired - Fee Related
- 2015-09-04 CN CN202010843413.1A patent/CN112098912B/zh active Active
- 2015-09-04 CN CN202010767527.2A patent/CN112083365B/zh active Active
- 2015-09-04 CA CA3066755A patent/CA3066755A1/en not_active Abandoned
- 2015-09-04 CN CN201580054097.7A patent/CN107110932B/zh active Active
- 2015-09-04 KR KR1020177009312A patent/KR20170048577A/ko not_active Application Discontinuation
- 2015-09-04 WO PCT/US2015/048631 patent/WO2016037101A1/en active Application Filing
- 2015-09-04 CA CA2960189A patent/CA2960189C/en not_active Expired - Fee Related
- 2015-09-04 JP JP2017531985A patent/JP6832852B2/ja active Active
- 2015-09-04 CA CA2960200A patent/CA2960200A1/en not_active Abandoned
- 2015-09-04 BR BR112017004353A patent/BR112017004353A2/pt not_active Application Discontinuation
- 2015-09-04 AU AU2015311749A patent/AU2015311749B2/en not_active Ceased
- 2015-09-04 KR KR1020177008944A patent/KR20170052621A/ko active IP Right Grant
- 2015-09-04 CA CA2960191A patent/CA2960191A1/en not_active Abandoned
- 2015-09-04 MX MX2017002937A patent/MX2017002937A/es unknown
- 2015-09-04 BR BR112017004336A patent/BR112017004336A2/pt not_active Application Discontinuation
- 2015-09-04 MX MX2017002938A patent/MX366786B/es active IP Right Grant
- 2015-09-04 EP EP15838192.1A patent/EP3189341A4/en active Pending
- 2015-09-04 CA CA2960178A patent/CA2960178C/en not_active Expired - Fee Related
- 2015-09-04 IL IL250939A patent/IL250939B/en unknown
- 2015-09-04 AU AU2015311830A patent/AU2015311830B2/en not_active Ceased
-
2016
- 2016-02-22 US US15/049,596 patent/US9625543B2/en active Active
- 2016-02-22 US US15/049,309 patent/US9541616B2/en active Active
- 2016-04-06 US US15/091,971 patent/US9625544B2/en active Active
- 2016-04-19 US US15/132,703 patent/US10379186B2/en active Active
- 2016-04-19 US US15/132,671 patent/US10145922B2/en active Active
- 2016-04-19 US US15/132,742 patent/US10591564B2/en active Active
- 2016-04-19 US US15/132,617 patent/US20160231402A1/en not_active Abandoned
- 2016-09-02 TW TW105128467A patent/TWI627428B/zh not_active IP Right Cessation
- 2016-12-21 US US15/387,320 patent/US9797971B2/en active Active
-
2017
- 2017-03-05 IL IL250933A patent/IL250933B/en active IP Right Grant
- 2017-03-05 IL IL250935A patent/IL250935B/en unknown
- 2017-03-05 IL IL250934A patent/IL250934A0/en unknown
- 2017-04-26 US US15/498,432 patent/US10241177B2/en active Active
- 2017-09-29 US US15/721,340 patent/US10495712B2/en active Active
- 2017-09-29 US US15/721,309 patent/US10139464B2/en active Active
-
2018
- 2018-10-04 US US16/152,126 patent/US10613181B2/en active Active
- 2018-11-19 US US16/195,518 patent/US10488482B2/en active Active
- 2018-12-03 US US16/207,971 patent/US10466327B2/en active Active
-
2019
- 2019-01-31 US US16/264,241 patent/US11397233B2/en active Active
- 2019-03-12 AU AU2019201685A patent/AU2019201685B2/en not_active Ceased
- 2019-09-18 US US16/574,727 patent/US20200011952A1/en active Pending
- 2019-09-25 US US16/583,190 patent/US11221386B2/en active Active
- 2019-09-25 US US16/583,175 patent/US11175364B2/en active Active
-
2020
- 2020-02-19 JP JP2020025749A patent/JP6955595B2/ja active Active
- 2020-03-30 JP JP2020059620A patent/JP6882569B2/ja active Active
- 2020-04-23 JP JP2020076553A patent/JP2020127750A/ja active Pending
-
2021
- 2021-05-06 JP JP2021078699A patent/JP2021120001A/ja active Pending
- 2021-05-21 AU AU2021203286A patent/AU2021203286A1/en not_active Abandoned
- 2021-07-08 IL IL284727A patent/IL284727B/en unknown
- 2021-10-01 JP JP2021162485A patent/JP2022000241A/ja active Pending
- 2021-10-26 US US17/510,919 patent/US20220043088A1/en not_active Abandoned
- 2021-12-02 US US17/541,070 patent/US11662412B2/en active Active
-
2022
- 2022-07-19 US US17/868,212 patent/US20220349975A1/en active Pending
-
2023
- 2023-04-24 US US18/138,261 patent/US20230333188A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6955595B2 (ja) | 低磁場磁気共鳴撮像方法及び装置 | |
US11105873B2 (en) | Low-field magnetic resonance imaging methods and apparatus | |
CN117930100A (zh) | 磁共振成像系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180903 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180903 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190515 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190528 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190724 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20191224 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200123 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200219 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200219 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20200219 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6674645 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |