CA2845965A1 - Mecanisme et methode d'imagerie par resonnance magnetique (irm) - Google Patents
Mecanisme et methode d'imagerie par resonnance magnetique (irm) Download PDFInfo
- Publication number
- CA2845965A1 CA2845965A1 CA2845965A CA2845965A CA2845965A1 CA 2845965 A1 CA2845965 A1 CA 2845965A1 CA 2845965 A CA2845965 A CA 2845965A CA 2845965 A CA2845965 A CA 2845965A CA 2845965 A1 CA2845965 A1 CA 2845965A1
- Authority
- CA
- Canada
- Prior art keywords
- mri
- signal
- receive
- coil
- transmit
- 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.)
- Abandoned
Links
- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 25
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- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract description 13
- 238000003384 imaging method Methods 0.000 description 15
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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]
- G01R33/445—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
- G01R33/28—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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised 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
- G01R33/3802—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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2845965A CA2845965A1 (fr) | 2014-03-13 | 2014-03-13 | Mecanisme et methode d'imagerie par resonnance magnetique (irm) |
| CA2884097A CA2884097C (fr) | 2014-03-13 | 2015-03-06 | Mecanisme et methode d'imagerie par resonnance magnetique (irm) |
| US14/644,725 US10018694B2 (en) | 2014-03-13 | 2015-03-11 | Magnetic resonance imaging (MRI) system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2845965A CA2845965A1 (fr) | 2014-03-13 | 2014-03-13 | Mecanisme et methode d'imagerie par resonnance magnetique (irm) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2845965A1 true CA2845965A1 (fr) | 2015-09-13 |
Family
ID=54200282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2845965A Abandoned CA2845965A1 (fr) | 2014-03-13 | 2014-03-13 | Mecanisme et methode d'imagerie par resonnance magnetique (irm) |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2845965A1 (fr) |
-
2014
- 2014-03-13 CA CA2845965A patent/CA2845965A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20180313 |