CN102084263B - 磁共振成象设备以及采用超导量子干涉仪检测和场循环的方法 - Google Patents

磁共振成象设备以及采用超导量子干涉仪检测和场循环的方法 Download PDF

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Publication number
CN102084263B
CN102084263B CN200980121048.5A CN200980121048A CN102084263B CN 102084263 B CN102084263 B CN 102084263B CN 200980121048 A CN200980121048 A CN 200980121048A CN 102084263 B CN102084263 B CN 102084263B
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field
mri
pulse
magnetic field
coil
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Expired - Fee Related
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CN200980121048.5A
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Chinese (zh)
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CN102084263A (zh
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杰瑞米·A·古德
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Cryogenic Ltd
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Cryogenic Ltd
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    • 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

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  • 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)
CN200980121048.5A 2008-06-05 2009-06-04 磁共振成象设备以及采用超导量子干涉仪检测和场循环的方法 Expired - Fee Related CN102084263B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0810322.8 2008-06-05
GBGB0810322.8A GB0810322D0 (en) 2008-06-05 2008-06-05 Magnetic resonance imaging apparatus and method
PCT/GB2009/001390 WO2009147392A1 (en) 2008-06-05 2009-06-04 Magnetic resonance imaging apparatus and method using squid detection and field- cycling

Publications (2)

Publication Number Publication Date
CN102084263A CN102084263A (zh) 2011-06-01
CN102084263B true CN102084263B (zh) 2015-12-16

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Country Status (6)

Country Link
US (1) US8838200B2 (cg-RX-API-DMAC7.html)
EP (1) EP2294437B1 (cg-RX-API-DMAC7.html)
JP (1) JP5624028B2 (cg-RX-API-DMAC7.html)
CN (1) CN102084263B (cg-RX-API-DMAC7.html)
GB (2) GB0810322D0 (cg-RX-API-DMAC7.html)
WO (1) WO2009147392A1 (cg-RX-API-DMAC7.html)

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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
AU2015346431B2 (en) 2014-11-11 2020-06-18 Hyperfine Operations, Inc. Pulse sequences for low field magnetic resonance
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
KR20210005626A (ko) * 2018-04-20 2021-01-14 하이퍼파인 리서치, 인크. 휴대용 자기 공명 영상 장치용의 전개 가능한 가드
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
US11510588B2 (en) 2019-11-27 2022-11-29 Hyperfine Operations, 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
WO2025108564A1 (en) * 2023-11-24 2025-05-30 Eos Imaging Method of radiography of a patient body
WO2025108565A1 (en) * 2023-11-24 2025-05-30 Eos Imaging Method of radiography of a patient body

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US4354499A (en) * 1978-11-20 1982-10-19 Damadian Raymond V Apparatus and method for nuclear magnetic resonance scanning and mapping
MXPA04008593A (es) * 2002-02-06 2004-12-06 Univ California Resonancia magnetica nuclear y formacion de imagenes por resonancia magnetica a campos ultrabajos, detectadas por interferometro cantico supraconductor.
GB0810322D0 (en) * 2008-06-05 2008-07-09 Cryogenic Ltd Magnetic resonance imaging apparatus and method

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A 4.2 K receiver coil and SQUID amplifier used to improve the SNR of low-field magnetic resonance images of the human arm;SETON H C ET AL;《MEASUREMENT SCIENCE AND TECHNOLOGY, IOP, BRISTOL, GB》;19970201;第8卷(第2期);198-207 *
Correction of concomitant gradient artifacts in experimental microtesla MRI;MYERS ET AL;《JOURNAL OF MAGNETIC ACADEMIC PRESS, DULUTH, MN, US》;20051201;第177卷(第2期);274-284 *
Magnetic resonance imaging with T1 dispersion contrast;UNGERSMA S E ET AL;《MAGNETIC RESONANCE IN MEDICINE ACADEMIC PRESS, DULUTH, MN, US》;20060601;第55卷(第6期);1362-1371 *
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Also Published As

Publication number Publication date
JP2011521760A (ja) 2011-07-28
EP2294437A1 (en) 2011-03-16
JP5624028B2 (ja) 2014-11-12
EP2294437B1 (en) 2019-04-10
US20110190619A1 (en) 2011-08-04
GB2473565B (en) 2013-01-23
GB0810322D0 (en) 2008-07-09
GB201020957D0 (en) 2011-01-26
CN102084263A (zh) 2011-06-01
WO2009147392A1 (en) 2009-12-10
US8838200B2 (en) 2014-09-16
GB2473565A (en) 2011-03-16

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