DE3545897A1 - Vorrichtung zur magnetischen kernresonanzabbildung - Google Patents
Vorrichtung zur magnetischen kernresonanzabbildungInfo
- Publication number
- DE3545897A1 DE3545897A1 DE19853545897 DE3545897A DE3545897A1 DE 3545897 A1 DE3545897 A1 DE 3545897A1 DE 19853545897 DE19853545897 DE 19853545897 DE 3545897 A DE3545897 A DE 3545897A DE 3545897 A1 DE3545897 A1 DE 3545897A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic field
- sample
- nmr
- magnetic
- gradients
- 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.)
- Ceased
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 238000005481 NMR spectroscopy Methods 0.000 claims description 44
- 238000012937 correction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 10
- 230000006698 induction Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000005084 2D-nuclear magnetic resonance Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000013610 patient sample Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000000293 three-dimensional nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 238000011426 transformation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59281111A JPS61153554A (ja) | 1984-12-26 | 1984-12-26 | 磁気共鳴イメ−ジング装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3545897A1 true DE3545897A1 (de) | 1986-07-03 |
Family
ID=17634503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853545897 Ceased DE3545897A1 (de) | 1984-12-26 | 1985-12-23 | Vorrichtung zur magnetischen kernresonanzabbildung |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS61153554A (enrdf_load_stackoverflow) |
| DE (1) | DE3545897A1 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0547440U (ja) * | 1991-10-11 | 1993-06-25 | 株式会社ユニシアジェックス | ポンプ |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284950A (en) * | 1978-08-05 | 1981-08-18 | E M I Limited | Imaging systems |
| EP0086972A1 (en) * | 1982-02-03 | 1983-08-31 | General Electric Company | Method of NMR imaging which overcomes T2* effects in an inhomogeneous static magnetic field |
| EP0091556A2 (de) * | 1982-03-18 | 1983-10-19 | Bruker Medizintechnik GmbH | Verfahren zum Messen der magnetischen Kernresonanz für die NMR-Tomographie |
| EP0124108A2 (en) * | 1983-04-30 | 1984-11-07 | Kabushiki Kaisha Toshiba | Correction circuit for a static magnetic field of an NMR apparatus and NMR apparatus for utilizing the same |
-
1984
- 1984-12-26 JP JP59281111A patent/JPS61153554A/ja active Granted
-
1985
- 1985-12-23 DE DE19853545897 patent/DE3545897A1/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284950A (en) * | 1978-08-05 | 1981-08-18 | E M I Limited | Imaging systems |
| EP0086972A1 (en) * | 1982-02-03 | 1983-08-31 | General Electric Company | Method of NMR imaging which overcomes T2* effects in an inhomogeneous static magnetic field |
| EP0091556A2 (de) * | 1982-03-18 | 1983-10-19 | Bruker Medizintechnik GmbH | Verfahren zum Messen der magnetischen Kernresonanz für die NMR-Tomographie |
| EP0124108A2 (en) * | 1983-04-30 | 1984-11-07 | Kabushiki Kaisha Toshiba | Correction circuit for a static magnetic field of an NMR apparatus and NMR apparatus for utilizing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61153554A (ja) | 1986-07-12 |
| JPH0577417B2 (enrdf_load_stackoverflow) | 1993-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8131 | Rejection |