JP6446458B2 - Ｍｒｉシステムの超伝導磁石にエネルギーを与えるシステムおよび方法 - Google Patents
Ｍｒｉシステムの超伝導磁石にエネルギーを与えるシステムおよび方法 Download PDFInfo
- Publication number
- JP6446458B2 JP6446458B2 JP2016538696A JP2016538696A JP6446458B2 JP 6446458 B2 JP6446458 B2 JP 6446458B2 JP 2016538696 A JP2016538696 A JP 2016538696A JP 2016538696 A JP2016538696 A JP 2016538696A JP 6446458 B2 JP6446458 B2 JP 6446458B2
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- Prior art keywords
- coil
- main
- mri
- assembly
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- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title description 12
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 46
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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
- G01R33/28—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
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
-
- 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
- G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
- G01R33/307—Sample handling arrangements, e.g. sample cells, spinning mechanisms specially adapted for moving the sample relative to the MR system, e.g. spinning mechanisms, flow cells or means for positioning the sample inside a spectrometer
-
- 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
- G01R33/34015—Temperature-controlled RF coils
- G01R33/34023—Superconducting RF 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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
- G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
-
- 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
-
- 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
- G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/005—Methods and means for increasing the stored energy in superconductive coils by increments (flux pumps)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/107,216 US9810755B2 (en) | 2013-12-16 | 2013-12-16 | System and method for energizing a superconducting magnet |
| US14/107,216 | 2013-12-16 | ||
| PCT/US2014/048615 WO2015094414A1 (en) | 2013-12-16 | 2014-07-29 | System and method for energizing a superconducting magnet of an mri system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017500112A JP2017500112A (ja) | 2017-01-05 |
| JP2017500112A5 JP2017500112A5 (enExample) | 2018-08-30 |
| JP6446458B2 true JP6446458B2 (ja) | 2018-12-26 |
Family
ID=51398877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016538696A Expired - Fee Related JP6446458B2 (ja) | 2013-12-16 | 2014-07-29 | Ｍｒｉシステムの超伝導磁石にエネルギーを与えるシステムおよび方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9810755B2 (enExample) |
| JP (1) | JP6446458B2 (enExample) |
| KR (1) | KR102208933B1 (enExample) |
| CN (1) | CN105980874B (enExample) |
| DE (1) | DE112014005716T8 (enExample) |
| GB (1) | GB2535403B (enExample) |
| WO (1) | WO2015094414A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487031B (zh) * | 2016-01-21 | 2018-04-20 | 中国科学院电工研究所 | 磁共振成像系统中与主磁体解耦的二阶轴向超导匀场线圈 |
| EP3414585B1 (en) | 2016-02-12 | 2025-02-12 | Vigilance Health Imaging Network Inc. | Distortion correction of multiple mri images based on a full body reference image |
| WO2017211756A1 (en) * | 2016-06-07 | 2017-12-14 | Koninklijke Philips N.V. | Cryogenic field sensing for compensating magnetic field variations in magnetic resonance imaging magnets |
| CN107123504B (zh) * | 2017-07-03 | 2019-06-28 | 上海联影医疗科技有限公司 | 磁共振磁体降场系统及降场方法 |
| CN107545977B (zh) * | 2017-08-08 | 2020-04-14 | 上海东软医疗科技有限公司 | 超导磁体的升降场装置和超导磁体系统 |
| US10775455B2 (en) * | 2018-03-29 | 2020-09-15 | Siemens Healthcare Gmbh | Power management for cryogen compressors |
| DE102018221322A1 (de) | 2018-12-10 | 2020-06-10 | Bruker Switzerland Ag | Verfahren zum Laden einer HTS-Shim-Vorrichtung und Magnetanordnung |
| CN113161100B (zh) * | 2020-01-22 | 2022-10-18 | 西门子(深圳)磁共振有限公司 | 主磁场产生单元、升降场单元和超导磁体及升降场方法 |
| KR102887379B1 (ko) | 2024-01-26 | 2025-11-18 | 제이에이취엔지니어링주식회사 | 자기장의 안정성을 강화한 mri용 영구전류 스위치 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3244943A (en) | 1961-11-29 | 1966-04-05 | California Inst Res Found | Continuous magnetic-flux pump |
| US3262025A (en) | 1961-11-29 | 1966-07-19 | California Inst Res Found | Magnetic-flux pump |
| NL295761A (enExample) | 1962-10-02 | |||
| US3277322A (en) | 1963-04-01 | 1966-10-04 | North American Aviation Inc | Method and apparatus for magnetic flux accumulation and current generation |
| US3320522A (en) | 1963-06-18 | 1967-05-16 | Sperry Rand Corp | Superconductive flux magnifier |
| US3233155A (en) | 1963-07-01 | 1966-02-01 | Ferranti Packard Ltd | Superconductive means for obtaining high magnetic fields |
| US3356924A (en) | 1967-05-02 | 1967-12-05 | Gen Electric | Cryogenic pumped rectifier systems |
| US3522512A (en) | 1967-09-15 | 1970-08-04 | Gen Electric | Flux pump with thermal cryotrons |
| NL6916524A (enExample) | 1968-11-04 | 1970-05-08 | ||
| US3568002A (en) | 1968-11-18 | 1971-03-02 | Atomic Energy Commission | Multiaction flux pump |
| US3848162A (en) | 1972-07-11 | 1974-11-12 | President Of The Agency Of Ind | Method and apparatus for charging a superconductive coil |
| US4096403A (en) | 1976-06-28 | 1978-06-20 | Electric Power Research Institute, Inc. | Superconducting hybrid magnetic flux pump |
| NL8501762A (nl) | 1985-06-19 | 1987-01-16 | Holec Syst & Componenten | Supergeleidende gelijkrichter voor het omzetten van een relatief lage wisselstroom in een relatief hoge gelijkstroom. |
| US5105098A (en) | 1990-04-03 | 1992-04-14 | Tyler Power Systems, Inc. | Superconducting power switch |
| JPH0974012A (ja) * | 1994-09-16 | 1997-03-18 | Hitachi Medical Corp | 超電導多層複合体を用いた超電導磁石装置と着磁方法 |
| CN1103925C (zh) * | 1994-09-16 | 2003-03-26 | 日立医药株式会社 | 超导磁体装置、其磁化方法及使用它的磁共振成像系统 |
| US5633588A (en) * | 1994-09-16 | 1997-05-27 | Hitachi Medical Corporation | Superconducting magnet apparatus using superconducting multilayer composite member, method of magnetizing the same and magnetic resonance imaging system employing the same |
| US5965959A (en) * | 1996-07-02 | 1999-10-12 | American Superconductor Corporation | Superconducting magnets and power supplies for superconducting devices |
| US6621395B1 (en) | 1997-02-18 | 2003-09-16 | Massachusetts Institute Of Technology | Methods of charging superconducting materials |
| DE10065400C2 (de) | 2000-12-27 | 2003-08-14 | Siemens Ag | Flusspumpe mit Hochtemperatursupraleiter und damit zu betreibender supraleitender Elektromagnet |
| DE10065420C2 (de) | 2000-12-27 | 2003-08-07 | Siemens Ag | Flusspumpe mit Hochtemperatursupraleiter und damit zu betreibender supraleitender Elektromagnet |
| EP1371328A4 (en) | 2001-03-14 | 2009-11-25 | Hitachi Medical Corp | MAGNETIC RESONANCE IMAGING APPARATUS AND STATIC MAGNETIC FIELD GENERATOR THEREFOR |
| DE10201322B4 (de) | 2002-01-15 | 2004-05-06 | Siemens Ag | Schalteinrichtung der Supraleitungstechnik |
| JP4212331B2 (ja) * | 2002-10-24 | 2009-01-21 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び超電導磁石装置 |
| JP2004194387A (ja) | 2002-12-09 | 2004-07-08 | Sharp Corp | スイッチング電源装置 |
| JP2004350888A (ja) | 2003-05-29 | 2004-12-16 | Mitsubishi Electric Corp | 静磁場発生装置および磁気共鳴イメージング装置 |
| DE10358549B4 (de) * | 2003-12-15 | 2005-11-24 | Bruker Biospin Ag | Supraleitendes Magnetsystem mit kontinuierlich arbeitender Flusspumpe und zugehörige Betriebsverfahren |
| US7064550B2 (en) | 2004-11-16 | 2006-06-20 | General Electric Company | Method and apparatus for field drift compensation of a superconducting magnet |
| DE102005020690B4 (de) * | 2005-05-03 | 2007-08-30 | Bruker Biospin Ag | Magnetanordnung mit Vorrichtung zum Dämpfen von Spannungsspitzen einer Speisung |
| US7615998B2 (en) * | 2007-01-09 | 2009-11-10 | General Electric Company | Method and apparatus for actively controlling quench protection of a superconducting magnet |
| DE102007006324B4 (de) | 2007-02-08 | 2011-04-28 | Bruker Biospin Ag | Magnetspulensystem mit aktiver Driftkompensation für zwei unabhängige Strompfade |
| GB2457729B (en) * | 2008-02-25 | 2010-03-10 | Siemens Magnet Technology Ltd | Superconducting magnet current adjustment by flux pumping |
| JP5501588B2 (ja) | 2008-08-28 | 2014-05-21 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 磁気共鳴イメージング装置および超伝導コイルの励磁方法 |
| JP5322780B2 (ja) * | 2009-06-01 | 2013-10-23 | 三菱電機株式会社 | 超電導マグネット装置 |
-
2013
- 2013-12-16 US US14/107,216 patent/US9810755B2/en active Active
-
2014
- 2014-07-29 KR KR1020167018144A patent/KR102208933B1/ko not_active Expired - Fee Related
- 2014-07-29 WO PCT/US2014/048615 patent/WO2015094414A1/en not_active Ceased
- 2014-07-29 GB GB1610096.8A patent/GB2535403B/en active Active
- 2014-07-29 JP JP2016538696A patent/JP6446458B2/ja not_active Expired - Fee Related
- 2014-07-29 CN CN201480068736.0A patent/CN105980874B/zh active Active
- 2014-07-29 DE DE112014005716.9T patent/DE112014005716T8/de not_active Withdrawn - After Issue
Also Published As
| Publication number | Publication date |
|---|---|
| GB201610096D0 (en) | 2016-07-27 |
| US9810755B2 (en) | 2017-11-07 |
| KR102208933B1 (ko) | 2021-01-28 |
| GB2535403A (en) | 2016-08-17 |
| CN105980874B (zh) | 2019-06-14 |
| GB2535403B (en) | 2018-04-11 |
| JP2017500112A (ja) | 2017-01-05 |
| DE112014005716T5 (de) | 2016-09-15 |
| CN105980874A (zh) | 2016-09-28 |
| WO2015094414A1 (en) | 2015-06-25 |
| US20150168517A1 (en) | 2015-06-18 |
| DE112014005716T8 (de) | 2016-10-06 |
| KR20160099599A (ko) | 2016-08-22 |
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