DE3171432D1 - Nuclear magnetic resonance systems - Google Patents

Nuclear magnetic resonance systems

Info

Publication number
DE3171432D1
DE3171432D1 DE8181306080T DE3171432T DE3171432D1 DE 3171432 D1 DE3171432 D1 DE 3171432D1 DE 8181306080 T DE8181306080 T DE 8181306080T DE 3171432 T DE3171432 T DE 3171432T DE 3171432 D1 DE3171432 D1 DE 3171432D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
resonance systems
systems
nuclear
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
Application number
DE8181306080T
Other languages
English (en)
Inventor
Ian Robert Young
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Design Ltd
Original Assignee
Picker International Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Picker International Ltd filed Critical Picker International Ltd
Application granted granted Critical
Publication of DE3171432D1 publication Critical patent/DE3171432D1/de
Expired legal-status Critical Current

Links

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/446—Multifrequency selective RF pulses, e.g. multinuclear acquisition mode
    • 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
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
DE8181306080T 1981-01-07 1981-12-23 Nuclear magnetic resonance systems Expired DE3171432D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8100369 1981-01-07

Publications (1)

Publication Number Publication Date
DE3171432D1 true DE3171432D1 (en) 1985-08-22

Family

ID=10518850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181306080T Expired DE3171432D1 (en) 1981-01-07 1981-12-23 Nuclear magnetic resonance systems

Country Status (5)

Country Link
US (1) US4454474A (de)
EP (1) EP0055919B1 (de)
JP (1) JPS57136152A (de)
DE (1) DE3171432D1 (de)
GB (1) GB2090982B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
US4564813A (en) * 1982-11-10 1986-01-14 Picker International, Ltd. Nuclear magnetic resonance method and apparatus
US4579121A (en) * 1983-02-18 1986-04-01 Albert Macovski High speed NMR imaging system
JPS59169208A (ja) * 1983-03-16 1984-09-25 Yokogawa Hokushin Electric Corp Ｎｍｒ装置用波形発生装置
JPS59200948A (ja) * 1983-04-30 1984-11-14 Toshiba Corp 核磁気共鳴映像装置
JPS6029686A (ja) * 1983-07-28 1985-02-15 Yokogawa Hokushin Electric Corp 核磁気共鳴による検査装置
US4634980A (en) * 1984-08-16 1987-01-06 Picker International, Inc. Nuclear magnetic resonance radio frequency antenna
US4672319A (en) * 1984-09-19 1987-06-09 Stanford University Multiple pulse excitation in NMR imaging
DE3724157A1 (de) * 1987-07-22 1989-02-02 Philips Patentverwaltung Kernspinuntersuchungsverfahren
WO1995004939A2 (en) * 1993-08-02 1995-02-16 The Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for decreasing magnetic field sensitivity of long rf pulses
US6272370B1 (en) 1998-08-07 2001-08-07 The Regents Of University Of Minnesota MR-visible medical device for neurological interventions using nonlinear magnetic stereotaxis and a method imaging
US6463317B1 (en) 1998-05-19 2002-10-08 Regents Of The University Of Minnesota Device and method for the endovascular treatment of aneurysms

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578910A (en) * 1978-05-25 1980-11-12 Emi Ltd Imaging systems
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
US4339716A (en) * 1979-05-23 1982-07-13 Picker International Limited Nuclear magnetic resonance systems

Also Published As

Publication number Publication date
EP0055919B1 (de) 1985-07-17
JPH0221808B2 (de) 1990-05-16
JPS57136152A (en) 1982-08-23
US4454474A (en) 1984-06-12
GB2090982A (en) 1982-07-21
GB2090982B (en) 1984-08-15
EP0055919A1 (de) 1982-07-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee