JP2000342554A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2000342554A5 JP2000342554A5 JP1999357283A JP35728399A JP2000342554A5 JP 2000342554 A5 JP2000342554 A5 JP 2000342554A5 JP 1999357283 A JP1999357283 A JP 1999357283A JP 35728399 A JP35728399 A JP 35728399A JP 2000342554 A5 JP2000342554 A5 JP 2000342554A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- temperature
- generating
- static magnetic
- static
- 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.)
- Granted
Links
- 230000003068 static effect Effects 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 10
- 238000005481 NMR spectroscopy Methods 0.000 claims description 8
- 229910052734 helium Inorganic materials 0.000 claims description 6
- 239000001307 helium Substances 0.000 claims description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 3
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35728399A JP3781166B2 (ja) | 1999-03-26 | 1999-12-16 | 磁気共鳴イメージング装置および静磁場均一度維持方法 |
| US09/535,241 US6825667B1 (en) | 1999-03-26 | 2000-03-27 | Magnetic resonance imaging apparatus and method for maintaining high uniformity of magnetic field in magnetic resonance imaging apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11-83744 | 1999-03-26 | ||
| JP8374499 | 1999-03-26 | ||
| JP35728399A JP3781166B2 (ja) | 1999-03-26 | 1999-12-16 | 磁気共鳴イメージング装置および静磁場均一度維持方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005293675A Division JP4067546B2 (ja) | 1999-03-26 | 2005-10-06 | 磁気共鳴イメージング装置および静磁場均一度維持方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000342554A JP2000342554A (ja) | 2000-12-12 |
| JP2000342554A5 true JP2000342554A5 (enExample) | 2005-06-30 |
| JP3781166B2 JP3781166B2 (ja) | 2006-05-31 |
Family
ID=26424780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35728399A Expired - Fee Related JP3781166B2 (ja) | 1999-03-26 | 1999-12-16 | 磁気共鳴イメージング装置および静磁場均一度維持方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6825667B1 (enExample) |
| JP (1) | JP3781166B2 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040014236A1 (en) * | 2002-07-22 | 2004-01-22 | Dror Albo | Frequency feedback for NMR magnet temperature control |
| US6788060B1 (en) * | 2003-05-28 | 2004-09-07 | Ge Medical Systems Global Technology Co., Inc. | Imaging system with homogeneous magnetic field |
| US7246939B1 (en) * | 2003-10-23 | 2007-07-24 | Gultekin David H | Measurement of thermal diffusivity, thermal conductivity, specific heat, specific absorption rate, thermal power, heat transfer coefficient, heat of reaction and membrane permeability by nuclear magnetic resonance |
| US7215123B2 (en) * | 2004-05-05 | 2007-05-08 | New York University | Method, system storage medium and software arrangement for homogenizing a magnetic field in a magnetic resonance imaging system |
| JP4118844B2 (ja) * | 2004-07-26 | 2008-07-16 | 株式会社日立製作所 | Nmr磁場安定化装置および方法 |
| EP1998847B1 (en) * | 2006-03-24 | 2013-02-13 | Medtronic, Inc. | Implantable medical device |
| US7741847B2 (en) * | 2006-10-13 | 2010-06-22 | Kabushiki Kaisha Toshiba | Magnetic resonance apparatus with temperature controlled magnet shim pieces |
| JP5060151B2 (ja) * | 2007-04-10 | 2012-10-31 | 株式会社日立製作所 | 磁場均一度調整装置、およびこれを用いた超伝導磁石装置、並びに磁気共鳴撮像装置 |
| US20090206839A1 (en) * | 2008-02-20 | 2009-08-20 | General Electric Company | System, method and apparatus for compensating for drift in a main magnetic field in an mri system |
| 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 |
| JP5453155B2 (ja) * | 2009-03-31 | 2014-03-26 | 株式会社東芝 | Mri装置 |
| US9289154B2 (en) | 2009-08-19 | 2016-03-22 | Insightec Ltd. | Techniques for temperature measurement and corrections in long-term magnetic resonance thermometry |
| US20110046475A1 (en) * | 2009-08-24 | 2011-02-24 | Benny Assif | Techniques for correcting temperature measurement in magnetic resonance thermometry |
| US8368401B2 (en) | 2009-11-10 | 2013-02-05 | Insightec Ltd. | Techniques for correcting measurement artifacts in magnetic resonance thermometry |
| JP6184050B2 (ja) * | 2010-07-02 | 2017-08-23 | 東芝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 |
| DE102013210237B4 (de) * | 2013-06-03 | 2016-12-29 | Siemens Healthcare Gmbh | Verfahren zum Betreiben eines mobilen Magnetresonanztomographiesystems |
| DE102016208018A1 (de) * | 2016-05-10 | 2017-11-16 | Siemens Healthcare Gmbh | Verfahren zu einem Bereitstellen einer Anwendungsinformation für eine Magnetresonanzuntersuchung an einem Patienten sowie eine Magnetresonanzvorrichtung |
| US20200355768A1 (en) * | 2019-05-10 | 2020-11-12 | Geron BINDSEIL | Coil system with different currents driven through the shield and primary coils |
| JP7539255B2 (ja) | 2020-05-21 | 2024-08-23 | 富士フイルムヘルスケア株式会社 | 磁気共鳴撮像装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110714U (ja) * | 1984-06-27 | 1986-01-22 | 横河電機株式会社 | Nmr画像装置 |
| GB8808334D0 (en) * | 1988-04-08 | 1988-05-11 | Magnex Scient Ltd | Electromagnets |
| JP3160351B2 (ja) * | 1992-03-13 | 2001-04-25 | 株式会社東芝 | 磁気共鳴診断装置 |
| JPH11225991A (ja) * | 1998-02-19 | 1999-08-24 | Toshiba Corp | 体温監視装置及び体温監視方法 |
| US6252405B1 (en) * | 1999-11-15 | 2001-06-26 | General Electric Company | Temperature compensated NMR magnet and method of operation therefor |
-
1999
- 1999-12-16 JP JP35728399A patent/JP3781166B2/ja not_active Expired - Fee Related
-
2000
- 2000-03-27 US US09/535,241 patent/US6825667B1/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000342554A5 (enExample) | ||
| US7741847B2 (en) | Magnetic resonance apparatus with temperature controlled magnet shim pieces | |
| WO2009131060A1 (ja) | 磁気共鳴イメージング装置 | |
| US10261148B2 (en) | Magnetic resonance imaging apparatus and manufacturing method thereof | |
| US10156619B2 (en) | Magnetic resonance imaging system, static magnetic field homogeneity adjusting system, magnetic field homogeneity adjusting method, and magnetic field homogeneity adjusting program | |
| 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 | |
| JP5968362B2 (ja) | 移動式磁気共鳴トモグラフィシステムを動作させるための方法 | |
| JPH03138912A (ja) | 高磁界強度磁石用強磁性補償リング | |
| US9880237B2 (en) | MRI scanner | |
| JP5060151B2 (ja) | 磁場均一度調整装置、およびこれを用いた超伝導磁石装置、並びに磁気共鳴撮像装置 | |
| CN107205689B (zh) | 磁场均匀度调整方法以及磁场均匀度调整装置 | |
| US5675256A (en) | Magnetic resonance methods and apparatus | |
| US7224167B2 (en) | Magnetic field generating apparatus and method for magnetic resonance imaging | |
| JP6392141B2 (ja) | 磁場均一度調整方法、磁場均一度調整プログラムおよび磁場均一度調整装置 | |
| US20070252598A1 (en) | Methods and apparatus for MRI shim elements | |
| JP6677573B2 (ja) | 磁気共鳴信号検出モジュール | |
| NL1026189C2 (nl) | Systemen en werkwijze voor gradientcompensatie bij magnetische-resonantiebeeldvorming. | |
| JP4648722B2 (ja) | 磁気共鳴イメージング装置 | |
| JPH05277087A (ja) | 室温のシムコイルとの勾配コイル相互作用を減じるための方法及び装置 | |
| Tamada et al. | A new planar single-channel shim coil using multiple circular currents for magnetic resonance imaging | |
| JP2004305744A (ja) | Mri用磁場生成器の中心磁場を調節するための方法及び装置 | |
| Wen et al. | Shimming with permanent magnets for the x‐ray detector in a hybrid x‐ray/MR system | |
| JP2000333932A (ja) | Mri装置 | |
| JPH07303620A (ja) | 静磁場ドリフト補正コイル及び静磁場ドリフト補正方法 | |
| KR20160102451A (ko) | Mri 시스템을 위한 전자파 간섭 차폐 코일 |