JPS6323785B2 - - Google Patents
Info
- Publication number
- JPS6323785B2 JPS6323785B2 JP56078973A JP7897381A JPS6323785B2 JP S6323785 B2 JPS6323785 B2 JP S6323785B2 JP 56078973 A JP56078973 A JP 56078973A JP 7897381 A JP7897381 A JP 7897381A JP S6323785 B2 JPS6323785 B2 JP S6323785B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- static magnetic
- nuclear
- magnetic resonance
- linear gradient
- 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.)
- Expired
Links
- 230000003068 static effect Effects 0.000 claims description 37
- 238000005481 NMR spectroscopy Methods 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 25
- 238000003745 diagnosis Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 230000005311 nuclear magnetism Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56078973A JPS57192541A (en) | 1981-05-25 | 1981-05-25 | Nuclear magnetic rosonance apparatus for diagnosis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56078973A JPS57192541A (en) | 1981-05-25 | 1981-05-25 | Nuclear magnetic rosonance apparatus for diagnosis |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57192541A JPS57192541A (en) | 1982-11-26 |
JPS6323785B2 true JPS6323785B2 (de) | 1988-05-18 |
Family
ID=13676839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56078973A Granted JPS57192541A (en) | 1981-05-25 | 1981-05-25 | Nuclear magnetic rosonance apparatus for diagnosis |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57192541A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59142444A (ja) * | 1983-02-04 | 1984-08-15 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
US4685468A (en) * | 1983-03-18 | 1987-08-11 | Albert Macovski | NMR imaging system using field compensation |
JPS59200947A (ja) * | 1983-04-30 | 1984-11-14 | Toshiba Corp | Mri装置における静磁場強度調整方法 |
JPS59230148A (ja) * | 1983-06-13 | 1984-12-24 | Hitachi Ltd | Nmrイメ−ジング装置 |
JPH01299543A (ja) * | 1988-05-27 | 1989-12-04 | Hitachi Ltd | 核磁気共鳴を用いた検査方法及び装置 |
-
1981
- 1981-05-25 JP JP56078973A patent/JPS57192541A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57192541A (en) | 1982-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100481740B1 (ko) | 와전류들에의해유도된공간적및시간적으로변화하는자계들을측정하고보상하는방법 | |
US7208951B2 (en) | Magnetic resonance method | |
US6489765B2 (en) | Magnetic field variation measuring method and magnetic field variation compensating method for MRI apparatus, and MRI apparatus | |
US6507190B1 (en) | Method and apparatus for compensating polarizing fields in magnetic resonance imaging | |
JPH0638943A (ja) | 磁気共鳴イメージングシステム及び磁気共鳴イメージング方法 | |
US4684889A (en) | NMR apparatus compensated for primary field changes | |
US4672320A (en) | Imaging apparatus and method using nuclear magnetic resonance | |
US6737865B2 (en) | MRI apparatus | |
US4520828A (en) | Nuclear magnetic resonance method and apparatus | |
US4472683A (en) | Imaging apparatus using nuclear magnetic resonance | |
US5451877A (en) | Method for the compensation of eddy currents caused by gradients in a nuclear magnetic resonance apparatus | |
US5631561A (en) | Arrangement for measuring and controlling the basic field of an NMR tomography apparatus | |
US6377043B1 (en) | Magnetic resonance method | |
US4709211A (en) | Nuclear magnetic resonance system | |
JPS62189056A (ja) | 磁界の均質性を改善する方法 | |
JPS6323785B2 (de) | ||
JPH0365971B2 (de) | ||
JPH03292934A (ja) | 核磁気共鳴を用いた検査方法 | |
JP2006102541A (ja) | 磁気共鳴イメージング装置 | |
EP1202072A2 (de) | Kompensation von Phasenfehlern in der bildgebenden magnetischen Resonanz | |
JP3848005B2 (ja) | 磁気共鳴イメージング装置 | |
EP0361574A1 (de) | Verfahren und Anordnung zum Wirbelstromausgleich in MR-Geräten | |
JP2528864B2 (ja) | 核磁気共鳴を用いた検査装置 | |
WO2003037183A1 (fr) | Dispositif d'imagerie par resonance magnetique | |
JPH049414B2 (de) |