JP2001218751A5 - - Google Patents
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- Publication number
- JP2001218751A5 JP2001218751A5 JP2000034027A JP2000034027A JP2001218751A5 JP 2001218751 A5 JP2001218751 A5 JP 2001218751A5 JP 2000034027 A JP2000034027 A JP 2000034027A JP 2000034027 A JP2000034027 A JP 2000034027A JP 2001218751 A5 JP2001218751 A5 JP 2001218751A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- source
- vibration
- correction
- 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 12
- 238000002595 magnetic resonance imaging Methods 0.000 claims 6
- 238000005481 NMR spectroscopy Methods 0.000 claims 1
- 229960001716 benzalkonium Drugs 0.000 claims 1
- CYDRXTMLKJDRQH-UHFFFAOYSA-N benzododecinium Chemical compound CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 CYDRXTMLKJDRQH-UHFFFAOYSA-N 0.000 claims 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000034027A JP3728167B2 (ja) | 2000-02-10 | 2000-02-10 | 磁気共鳴イメージング装置 |
| US09/778,995 US6504373B2 (en) | 2000-02-10 | 2001-02-07 | Magnetic resonance imaging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000034027A JP3728167B2 (ja) | 2000-02-10 | 2000-02-10 | 磁気共鳴イメージング装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001218751A JP2001218751A (ja) | 2001-08-14 |
| JP2001218751A5 true JP2001218751A5 (enExample) | 2005-06-23 |
| JP3728167B2 JP3728167B2 (ja) | 2005-12-21 |
Family
ID=18558424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000034027A Expired - Fee Related JP3728167B2 (ja) | 2000-02-10 | 2000-02-10 | 磁気共鳴イメージング装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6504373B2 (enExample) |
| JP (1) | JP3728167B2 (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195410A1 (en) * | 1995-08-10 | 2003-10-16 | James Winter | Method of treatment using magnetic resonance and apparatus therefor |
| DE10221640B4 (de) * | 2002-05-15 | 2007-06-21 | Siemens Ag | Verfahren zur Vibrationskompensation bei Kernspintomographen |
| US7372265B2 (en) * | 2003-02-05 | 2008-05-13 | Koninklijke Philips Electronics N.V. | Compensation of magnetic field disturbances due to vibrations in an MRI system |
| EP1452884A1 (en) * | 2003-02-28 | 2004-09-01 | Hitachi, Ltd. | Superconductive magnet apparatus and magnetic resonance imaging apparatus |
| DE102004049497A1 (de) * | 2004-10-11 | 2006-04-13 | Siemens Ag | Verfahren zur Kompensation einer Magnetfeldstörung eines Magnetresonanzgeräts und Magnetresonanzgerät |
| DE102006035949B4 (de) * | 2006-07-31 | 2009-11-26 | Bruker Biospin Ag | Vorrichtung und Verfahren zur Kompensation von Magnetfeldstörungen in Magnetfeldern mit hoher Feldhomogenität |
| WO2009150576A1 (en) * | 2008-06-10 | 2009-12-17 | Koninklijke Philips Electronics N.V. | Cryocooling system for mri providing reduced artifacts caused by vibrations |
| WO2010143603A1 (ja) * | 2009-06-11 | 2010-12-16 | 株式会社 日立メディコ | 磁気共鳴イメージング装置の調整方法および超電導磁石励磁用ドック |
| JP6042144B2 (ja) * | 2012-09-12 | 2016-12-14 | 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 |
| JP2014212297A (ja) * | 2013-04-05 | 2014-11-13 | 株式会社神戸製鋼所 | 超電導マグネット装置 |
| GB2523762A (en) * | 2014-03-04 | 2015-09-09 | Siemens Plc | Active compensation of magnetic field generated by a recondensing refrigerator |
| CA2967337C (en) | 2014-11-11 | 2022-05-10 | Hyperfine Research, Inc. | Pulse sequences for low field magnetic resonance |
| WO2016093085A1 (ja) * | 2014-12-09 | 2016-06-16 | 株式会社日立製作所 | 磁気共鳴イメージング装置及び冷凍機の運転制御方法 |
| WO2016170153A1 (en) * | 2015-04-23 | 2016-10-27 | Universidad De Zaragoza | Method for cooling cryogenic liquids and system associated to said method |
| JP6571434B2 (ja) | 2015-07-27 | 2019-09-04 | 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磁気共鳴イメージング装置のアーティファクト抑制方法 |
| WO2017153805A1 (en) * | 2016-03-09 | 2017-09-14 | Synaptive Medical (Barbados) Inc. | Reducing magnetic field instabilities caused by oscillations of a mechanical cryocooler in magnetic resonance systems |
| CN120630073A (zh) * | 2017-01-12 | 2025-09-12 | 皇家飞利浦有限公司 | 由冷头的周期运动导致的磁场分量的补偿 |
| 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 |
| CN110133559B (zh) * | 2019-05-21 | 2021-05-11 | 辽宁开普医疗系统有限公司 | 一种磁共振b0场扰动补偿系统及方法 |
| US11510588B2 (en) | 2019-11-27 | 2022-11-29 | Hyperfine Operations, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
| CN114388217B (zh) * | 2021-11-24 | 2024-11-01 | 鑫高益医疗设备股份有限公司 | 一种无液氦超导磁体动态主动稳场方法、系统及装置 |
| DE102023205673A1 (de) * | 2023-06-16 | 2024-12-19 | Siemens Healthineers Ag | Lokalspule mit Energiesparvorrichtung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5548653A (en) * | 1992-02-14 | 1996-08-20 | General Electric Company | Active control of noise and vibrations in magnetic resonance imaging systems using vibrational inputs |
| US5363077A (en) | 1994-01-31 | 1994-11-08 | General Electric Company | MRI magnet having a vibration-isolated cryocooler |
| US5952734A (en) | 1995-02-15 | 1999-09-14 | Fonar Corporation | Apparatus and method for magnetic systems |
| JP3980105B2 (ja) | 1996-12-26 | 2007-09-26 | 株式会社日立メディコ | 静磁場発生装置及び磁気共鳴イメージング装置 |
| JP3871789B2 (ja) | 1997-12-01 | 2007-01-24 | 株式会社日立メディコ | パッシブシールド型超電導磁石 |
| JPH11197132A (ja) | 1998-01-13 | 1999-07-27 | Hitachi Medical Corp | パッシブシールド型超電導磁石 |
| US6169404B1 (en) * | 1998-12-18 | 2001-01-02 | General Electric Company | Vibration cancellation for C-shaped superconducting magnet |
| US6188220B1 (en) * | 1999-05-04 | 2001-02-13 | General Electric Company | Method and apparatus for measuring vibration of a magnetic resonance imaging system |
-
2000
- 2000-02-10 JP JP2000034027A patent/JP3728167B2/ja not_active Expired - Fee Related
-
2001
- 2001-02-07 US US09/778,995 patent/US6504373B2/en not_active Expired - Fee Related
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