JP5624028B2 - 磁気共鳴イメージング装置および超伝導量子干渉デバイス検出および磁場巡回方式を用いた方法 - Google Patents
磁気共鳴イメージング装置および超伝導量子干渉デバイス検出および磁場巡回方式を用いた方法 Download PDFInfo
- Publication number
- JP5624028B2 JP5624028B2 JP2011512198A JP2011512198A JP5624028B2 JP 5624028 B2 JP5624028 B2 JP 5624028B2 JP 2011512198 A JP2011512198 A JP 2011512198A JP 2011512198 A JP2011512198 A JP 2011512198A JP 5624028 B2 JP5624028 B2 JP 5624028B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- mri
- field level
- period
- detection method
- 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
Images
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
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
-
- 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]
- G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/035—Measuring direction or magnitude of magnetic fields or magnetic flux using superconductive devices
- G01R33/0354—SQUIDS
-
- 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
- G01R33/323—Detection of MR without the use of RF or microwaves, e.g. force-detected MR, thermally detected MR, MR detection via electrical conductivity, optically detected MR
- G01R33/326—Detection of MR without the use of RF or microwaves, e.g. force-detected MR, thermally detected MR, MR detection via electrical conductivity, optically detected MR involving a SQUID
-
- 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
- G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0810322.8A GB0810322D0 (en) | 2008-06-05 | 2008-06-05 | Magnetic resonance imaging apparatus and method |
| GB0810322.8 | 2008-06-05 | ||
| PCT/GB2009/001390 WO2009147392A1 (en) | 2008-06-05 | 2009-06-04 | Magnetic resonance imaging apparatus and method using squid detection and field- cycling |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011521760A JP2011521760A (ja) | 2011-07-28 |
| JP2011521760A5 JP2011521760A5 (enExample) | 2012-05-24 |
| JP5624028B2 true JP5624028B2 (ja) | 2014-11-12 |
Family
ID=39638255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011512198A Expired - Fee Related JP5624028B2 (ja) | 2008-06-05 | 2009-06-04 | 磁気共鳴イメージング装置および超伝導量子干渉デバイス検出および磁場巡回方式を用いた方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8838200B2 (enExample) |
| EP (1) | EP2294437B1 (enExample) |
| JP (1) | JP5624028B2 (enExample) |
| CN (1) | CN102084263B (enExample) |
| GB (2) | GB0810322D0 (enExample) |
| WO (1) | WO2009147392A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0810322D0 (en) * | 2008-06-05 | 2008-07-09 | Cryogenic Ltd | Magnetic resonance imaging apparatus and method |
| US8593141B1 (en) | 2009-11-24 | 2013-11-26 | Hypres, Inc. | Magnetic resonance system and method employing a digital squid |
| US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
| KR101310750B1 (ko) * | 2012-01-31 | 2013-09-24 | 한국표준과학연구원 | 생체자기공명 장치 및 그 측정 방법 |
| JP6173757B2 (ja) * | 2013-04-22 | 2017-08-02 | 住友重機械工業株式会社 | Mri装置 |
| CN105137374B (zh) * | 2014-06-03 | 2018-09-25 | 中国科学院上海微系统与信息技术研究所 | 一种超高分辨率的磁共振成像方法及装置 |
| CN106999092B (zh) * | 2014-11-11 | 2022-03-15 | 海珀菲纳股份有限公司 | 用于低场磁共振的脉冲序列 |
| KR101632278B1 (ko) * | 2015-01-15 | 2016-06-21 | 한국표준과학연구원 | 저 자기장 및 극저 자기장 핵자기 공명 및 자기 공명 영상 장치 |
| US10416253B2 (en) | 2016-11-22 | 2019-09-17 | Quantum Design International, Inc. | Conical access split magnet system |
| US10761156B2 (en) * | 2018-04-20 | 2020-09-01 | Hyperfine Research, Inc. | Deployable guard for portable magnetic resonance imaging devices |
| 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 |
| WO2021108216A1 (en) | 2019-11-27 | 2021-06-03 | Hyperfine Research, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
| CN114910833B (zh) * | 2022-04-22 | 2025-04-15 | 中国科学院上海微系统与信息技术研究所 | 一种信号接收系统、方法、设备及存储介质 |
| FR3141770B1 (fr) | 2022-11-04 | 2025-01-17 | Chipiron | Appareil et procédé pour imager des corps métalliques ou partiellement métalliques par résonance magnétique, application de ce procédé à l’imagerie de cellules électrochimiques |
| CN122477383A (zh) * | 2023-11-24 | 2026-07-28 | Eos成像公司 | 患者身体放射摄影方法 |
| AU2023474216A1 (en) * | 2023-11-24 | 2026-07-02 | Eos Imaging | Method of radiography of a patient body |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4354499A (en) * | 1978-11-20 | 1982-10-19 | Damadian Raymond V | Apparatus and method for nuclear magnetic resonance scanning and mapping |
| AU2003210906B2 (en) * | 2002-02-06 | 2010-06-03 | The Regents Of The University Of California | SQUID detected NMR and MRI at ultralow fields |
| GB0810322D0 (en) * | 2008-06-05 | 2008-07-09 | Cryogenic Ltd | Magnetic resonance imaging apparatus and method |
-
2008
- 2008-06-05 GB GBGB0810322.8A patent/GB0810322D0/en not_active Ceased
-
2009
- 2009-06-04 JP JP2011512198A patent/JP5624028B2/ja not_active Expired - Fee Related
- 2009-06-04 US US12/996,304 patent/US8838200B2/en active Active
- 2009-06-04 CN CN200980121048.5A patent/CN102084263B/zh not_active Expired - Fee Related
- 2009-06-04 GB GB1020957.5A patent/GB2473565B/en active Active
- 2009-06-04 WO PCT/GB2009/001390 patent/WO2009147392A1/en not_active Ceased
- 2009-06-04 EP EP09757764.7A patent/EP2294437B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| EP2294437A1 (en) | 2011-03-16 |
| GB0810322D0 (en) | 2008-07-09 |
| EP2294437B1 (en) | 2019-04-10 |
| CN102084263A (zh) | 2011-06-01 |
| WO2009147392A1 (en) | 2009-12-10 |
| GB201020957D0 (en) | 2011-01-26 |
| US20110190619A1 (en) | 2011-08-04 |
| US8838200B2 (en) | 2014-09-16 |
| GB2473565A (en) | 2011-03-16 |
| JP2011521760A (ja) | 2011-07-28 |
| GB2473565B (en) | 2013-01-23 |
| CN102084263B (zh) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2011521760A (ja) | 磁気共鳴イメージング装置および超伝導量子干渉デバイス検出および磁場巡回方式を用いた方法 | |
| Zotev et al. | Microtesla MRI of the human brain combined with MEG | |
| US8305078B2 (en) | Method of performing MRI with an atomic magnetometer | |
| JP6030143B2 (ja) | Mr電気特性断層撮影 | |
| Busch et al. | Measurements of T1‐relaxation in ex vivo prostate tissue at 132 μT | |
| JP6324308B2 (ja) | Apt/cestを使用する運動トリガmr撮像 | |
| JPWO2002022012A1 (ja) | 磁気共鳴イメージング装置 | |
| JP2957013B2 (ja) | 磁気共鳴像作成装置 | |
| JP2005515051A (ja) | Mr装置用のコイルシステム及び上記コイルシステムを具備するmr装置 | |
| US9335394B2 (en) | Method and magnetic resonance scanner for hyperintense display of areas in the vicinity of dipole fields | |
| CN107280669B (zh) | 磁共成像的sar值确定方法及磁共振成像装置 | |
| Savukov et al. | Non-cryogenic anatomical imaging in ultra-low field regime: Hand MRI demonstration | |
| JPH10234704A (ja) | Mri装置 | |
| US9625553B2 (en) | Method and apparatus for acquiring B1 magnetic field information | |
| JP3112474B2 (ja) | 磁気共鳴イメージング装置 | |
| Wang | Superconducting magnet of magnetic resonance imaging system | |
| JP3748657B2 (ja) | 磁気共鳴検査装置 | |
| RU113849U1 (ru) | Магниторезонансный томограф с переносом намагниченности | |
| KR101480413B1 (ko) | B1 정보 획득 방법 및 장치 | |
| JP2025027386A (ja) | 磁気共鳴イメージングシステム | |
| Kolap et al. | A Survey of Magnetic Resonance Image Modality used in Multi-Modal Medical Image Fusion | |
| Zwarun et al. | Relationship of magnetic moment of metallic alloys to image artifact during magnetic resonance imaging | |
| JP2009501601A (ja) | 磁気共鳴スペクトロスコピー | |
| Maruyama et al. | 1H-MR Spectroscopy and Diffusion-Weight Imaging of the Human Prostate at 3.0 T Using Body Arrayed Coils | |
| JP2001170022A (ja) | 磁気共鳴イメージング装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120327 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120327 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20131031 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20131112 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20140210 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20140218 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140311 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140902 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140925 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5624028 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |