DE2540436C2 - - Google Patents
Info
- Publication number
- DE2540436C2 DE2540436C2 DE2540436A DE2540436A DE2540436C2 DE 2540436 C2 DE2540436 C2 DE 2540436C2 DE 2540436 A DE2540436 A DE 2540436A DE 2540436 A DE2540436 A DE 2540436A DE 2540436 C2 DE2540436 C2 DE 2540436C2
- Authority
- DE
- Germany
- Prior art keywords
- gradient
- magnetic field
- preparation
- measurement object
- pulse
- 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
Links
- 238000000034 method Methods 0.000 claims description 73
- 238000005259 measurement Methods 0.000 claims description 55
- 238000002360 preparation method Methods 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 17
- 229920006395 saturated elastomer Polymers 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 238000001228 spectrum Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 5
- 238000005481 NMR spectroscopy Methods 0.000 claims description 4
- 238000001225 nuclear magnetic resonance method Methods 0.000 claims 2
- 230000010363 phase shift Effects 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 42
- 238000002474 experimental method Methods 0.000 description 12
- 230000005415 magnetization Effects 0.000 description 12
- 230000003595 spectral effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000005315 distribution function Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- OKTJSMMVPCPJKN-OUBTZVSYSA-N Carbon-13 Chemical compound [13C] OKTJSMMVPCPJKN-OUBTZVSYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000001646 magnetic resonance method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003963 x-ray microscopy Methods 0.000 description 1
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]
- G01R33/48—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
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3607—RF waveform generators, e.g. frequency generators, amplitude-, frequency- or phase modulators or shifters, pulse programmers, digital to analog converters for the RF signal, means for filtering or attenuating of the RF signal
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3962574A GB1525564A (en) | 1974-09-11 | 1974-09-11 | Image formation using nuclear magnetic resonance |
| GB4721374 | 1974-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2540436A1 DE2540436A1 (de) | 1976-03-25 |
| DE2540436C2 true DE2540436C2 (en, 2012) | 1988-01-07 |
Family
ID=26264186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752540436 Granted DE2540436A1 (de) | 1974-09-11 | 1975-09-11 | Vorrichtung zur messung der magnetischen kernresonanz |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4021726A (en, 2012) |
| JP (1) | JPS6012574B2 (en, 2012) |
| DE (1) | DE2540436A1 (en, 2012) |
Families Citing this family (88)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1052861A (en) * | 1975-03-18 | 1979-04-17 | Varian Associates | Gyromagnetic resonance fourier transform zeugmatography |
| GB1580787A (en) * | 1976-04-14 | 1980-12-03 | Mansfield P | Nuclear magnetic resonance apparatus and methods |
| GB1596160A (en) * | 1976-12-15 | 1981-08-19 | Nat Res Dev | Nuclear magnetic resonance apparatus and methods |
| GB1601816A (en) * | 1977-05-27 | 1981-11-04 | Nat Res Dev | Investigation of samples by nmr techniques |
| GB1584950A (en) * | 1978-05-25 | 1981-02-18 | Emi Ltd | Imaging systems |
| GB1584949A (en) * | 1978-05-25 | 1981-02-18 | Emi Ltd | Imaging systems |
| GB1601970A (en) * | 1978-05-31 | 1981-11-04 | Nat Res Dev | Methods of deriving image information from objects |
| US4318043A (en) * | 1978-07-20 | 1982-03-02 | The Regents Of The University Of California | Method and apparatus for rapid NMR imaging of nuclear densities within an object |
| 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 |
| US4354499A (en) * | 1978-11-20 | 1982-10-19 | Damadian Raymond V | Apparatus and method for nuclear magnetic resonance scanning and mapping |
| USRE32619E (en) * | 1978-11-20 | 1988-03-08 | Apparatus and method for nuclear magnetic resonance scanning and mapping | |
| US4307344A (en) * | 1979-01-25 | 1981-12-22 | Emi Limited | Imaging systems |
| US4318044A (en) * | 1979-03-07 | 1982-03-02 | National Research Development Corporation | Methods of indicating nuclear spin density distribution |
| US4333053A (en) * | 1979-03-13 | 1982-06-01 | Emi Limited | Imaging systems |
| US4339716A (en) * | 1979-05-23 | 1982-07-13 | Picker International Limited | Nuclear magnetic resonance systems |
| US4384255A (en) * | 1979-08-10 | 1983-05-17 | Picker International Limited | Nuclear magnetic resonance systems |
| US4361807A (en) * | 1979-08-10 | 1982-11-30 | Picker International Limited | Nuclear magnetic resonance systems |
| US4307343A (en) * | 1979-08-20 | 1981-12-22 | General Electric Company | Moving gradient zeugmatography |
| USRE32712E (en) * | 1979-08-20 | 1988-07-12 | General Electric Company | Moving gradient zeugmatography |
| US4301410A (en) * | 1979-09-28 | 1981-11-17 | International Business Machines Corporation | Spin imaging in solids using synchronously rotating field gradients and samples |
| US4506222A (en) * | 1980-03-14 | 1985-03-19 | National Research Development Corporation | Methods of producing image information from objects |
| GB2076541B (en) | 1980-05-21 | 1984-05-31 | Emi Ltd | Nmr imaging apparatus and methods |
| JPS57180947A (en) * | 1981-04-30 | 1982-11-08 | Tokyo Shibaura Electric Co | Diagnostic nuclear magnetic resonance apparatus |
| FI64282C (fi) * | 1981-06-04 | 1983-11-10 | Instrumentarium Oy | Diagnosapparatur foer bestaemmande av vaevnadernas struktur oc sammansaettning |
| JPS5841340A (ja) * | 1981-09-04 | 1983-03-10 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
| US4486708A (en) * | 1981-12-21 | 1984-12-04 | Albert Macovski | Selective material projection imaging system using nuclear magnetic resonance |
| US4531094A (en) * | 1982-02-09 | 1985-07-23 | Oxford Research Systems Limited | Methods and apparatus of obtaining NMR spectra |
| DE3209263A1 (de) * | 1982-03-13 | 1983-09-22 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Verfahren zum messen der magnetischen kernresonanz |
| DE3209264A1 (de) * | 1982-03-13 | 1983-09-22 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie |
| DE3209810A1 (de) * | 1982-03-18 | 1983-10-13 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie |
| JPS58223048A (ja) * | 1982-06-21 | 1983-12-24 | Toshiba Corp | 磁気共鳴励起領域選択方法、および、該方法が実施し得る磁気共鳴イメージング装置 |
| FI65365C (fi) * | 1982-07-07 | 1984-05-10 | Instrumentarium Oy | Spolanordning |
| US4594550A (en) * | 1982-09-07 | 1986-06-10 | Utsunomiya University | Method of scanning specifying magnetic field for nuclear magnetic resonance imaging |
| EP0105700B1 (en) * | 1982-10-06 | 1989-01-04 | Peter Mansfield | Nuclear magnetic resonance methods |
| FI65862C (fi) * | 1982-10-11 | 1984-07-10 | Instrumentarium Oy | Nmr-avbildningsapparat |
| US4480228A (en) * | 1982-10-15 | 1984-10-30 | General Electric Company | Selective volume method for performing localized NMR spectroscopy |
| JPS5985651A (ja) * | 1982-11-08 | 1984-05-17 | 株式会社東芝 | 診断用核磁気共鳴装置 |
| JPS59105549A (ja) * | 1982-12-09 | 1984-06-18 | Yokogawa Hokushin Electric Corp | 核磁気共鳴による検査方法 |
| FI67449C (fi) * | 1982-12-17 | 1985-03-11 | Instrumentarium Oy | Foerfarande foer utredning av objektets struktur och egenskaper |
| USRE32701E (en) * | 1983-01-04 | 1988-06-21 | Wisconsin Alumni Research Foundation | NMR scanner with motion zeugmatography |
| US4516075A (en) * | 1983-01-04 | 1985-05-07 | Wisconsin Alumni Research Foundation | NMR scanner with motion zeugmatography |
| US4556848A (en) * | 1983-02-01 | 1985-12-03 | The United States Of America As Represented By The United States Department Of Energy | Point sensitive NMR imaging system using a magnetic field configuration with a spatial minimum |
| US4565968A (en) * | 1983-02-16 | 1986-01-21 | Albert Macovski | Blood vessel projection imaging system using nuclear magnetic resonance |
| JPS59192947A (ja) * | 1983-04-15 | 1984-11-01 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
| US4607225A (en) * | 1983-07-19 | 1986-08-19 | Regents Of The University Of California | Apparatus and method for reducing spurious currents in NMR imaging apparatus induced by pulsed gradient fields |
| US4574240A (en) * | 1983-07-19 | 1986-03-04 | The Regents Of The University Of California | Method for flow measurement using nuclear magnetic resonance |
| DE3379594D1 (en) * | 1983-08-05 | 1989-05-18 | Oxford Res Syst | Method and apparatus for obtaining n.m.r. spectra |
| DE3340523A1 (de) * | 1983-11-09 | 1985-05-15 | Siemens AG, 1000 Berlin und 8000 München | Kernspin-tomographiegeraet |
| USRE36782E (en) * | 1983-11-11 | 2000-07-18 | Oxford Medical Limited | Magnet assembly for use in NMR apparatus |
| US4616180A (en) * | 1983-11-14 | 1986-10-07 | Technicare Corporation | Nuclear magnetic resonance imaging with reduced sensitivity to motional effects |
| JPS60157039A (ja) * | 1984-01-27 | 1985-08-17 | Hitachi Ltd | 核磁気共鳴イメ−ジング装置 |
| EP0179816B1 (en) * | 1984-04-05 | 1992-11-11 | Varian Associates, Inc. | Spatially selective nuclear magnetic resonance pulse sequences |
| DE3582275D1 (de) * | 1984-05-02 | 1991-05-02 | Philips Nv | Verfahren und anordnung zur ermittlung einer kernmagnetisierungsverteilung in einem teil eines koerpers. |
| US4649348A (en) * | 1984-08-20 | 1987-03-10 | Technicare Corporation | Radio frequency coils for nuclear magnetic resonance imaging systems |
| FR2570499B1 (fr) * | 1984-09-14 | 1987-09-11 | Thomson Cgr | Installation d'imagerie par resonance magnetique nucleaire |
| US4616183A (en) * | 1984-10-22 | 1986-10-07 | General Electric Company | Method for reducing baseline error components in NMR signals |
| FI75428C (fi) * | 1984-11-21 | 1988-06-09 | Instrumentarium Oy | Foerfarande foer kartlaeggning av de kaernmagnetiska egenskaperna hos ett objekt, som skall undersoekas. |
| GB8523673D0 (en) * | 1985-09-25 | 1985-10-30 | Picker Int Ltd | Nuclear magnetic resonance methods |
| DE3604281A1 (de) * | 1986-02-12 | 1987-08-13 | Philips Patentverwaltung | Verfahren zur bestimmung der kernmagnetisierungsverteilung in einer schicht eines untersuchungsbereiches und kernspintomograph zur durchfuehrung des verfahrens |
| DE3605990A1 (de) * | 1986-02-25 | 1987-09-03 | Spectrospin Ag | Verfahren zum bestimmen fliessenden materials mittels nmr-tomographie |
| US4784146A (en) * | 1986-08-14 | 1988-11-15 | University Of Florida | Angled segment receiver coil for NMR imaging of a human head |
| EP0260426B1 (de) * | 1986-08-18 | 1991-04-24 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung von kernmagnetischen Spektren aus räumlich selektierbaren Bereichen eines Untersuchungsobjektes |
| US4715383B1 (en) * | 1986-11-10 | 1995-10-31 | Mayo Medical Resources | Method for reducing artifacts in NMR images |
| JPS63122440A (ja) * | 1986-11-11 | 1988-05-26 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| JPS63189134A (ja) * | 1987-02-02 | 1988-08-04 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
| JPH0687847B2 (ja) * | 1987-03-06 | 1994-11-09 | 株式会社東芝 | 磁気共鳴映像装置 |
| GB8715302D0 (en) * | 1987-06-30 | 1987-08-05 | Ordidge R J | Nmr spectroscopy |
| US4792759A (en) * | 1987-07-29 | 1988-12-20 | Elscint Ltd. | Multi-frequency surface probe |
| DE3808281A1 (de) * | 1988-03-12 | 1989-09-21 | Philips Patentverwaltung | Verfahren zur bestimmung der kernmagnetisierungsverteilung und anordnung zur durchfuehrung des verfahrens |
| IL90862A (en) * | 1989-07-04 | 1992-09-06 | Elscint Ltd | Localized multiregion magnetic resonance data acquisition |
| IL91120A (en) * | 1989-07-26 | 1993-01-14 | Elscint Ltd | Magnetic resonance data acquisition from localized volumes |
| DE3923069C3 (de) * | 1989-07-13 | 1996-11-21 | Bruker Medizintech | Verfahren und Vorrichtung zum Kalibrieren einer Hochfrequenz-Feldstärke in einem Meßraum eines Kernspintomographen |
| JPH02289233A (ja) * | 1990-04-13 | 1990-11-29 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
| US5185573A (en) * | 1991-04-16 | 1993-02-09 | Hewlett-Packard Company | Method for focusing of magnetic resonance images |
| US5252922A (en) * | 1991-04-30 | 1993-10-12 | Hewlett-Packard Company | Radiofrequency focusing of magnetic resonance images |
| US5270654A (en) * | 1991-07-05 | 1993-12-14 | Feinberg David A | Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging |
| US5365172A (en) * | 1992-08-07 | 1994-11-15 | Brigham And Women's Hospital | Methods and apparatus for MRI |
| US5467016A (en) * | 1993-04-20 | 1995-11-14 | Siemens Medical Systems, Inc. | Saturation selective spectroscopic imaging |
| US5685305A (en) * | 1994-08-05 | 1997-11-11 | The United States Of America As Represented By The Department Of Health And Human Services | Method and system for MRI detection of abnormal blood flow |
| US6218943B1 (en) | 1998-03-27 | 2001-04-17 | Vivid Technologies, Inc. | Contraband detection and article reclaim system |
| US6492809B1 (en) * | 1998-12-04 | 2002-12-10 | Schlumberger Technology Corporation | Preconditioning spins near a nuclear magnetic resonance region |
| EP1158307A1 (en) | 2000-04-18 | 2001-11-28 | F.Hoffmann-La Roche Ag | Method for increasing the throughput of NMR spectrometers |
| US7081751B2 (en) * | 2002-12-31 | 2006-07-25 | The Uab Research Foundation | Systems and methods for estimating properties of a sample |
| FR2853080B1 (fr) * | 2003-03-28 | 2005-07-08 | Procede et installation multidimensionnelle par resonance magnetique en champ inhomogene | |
| US8688058B2 (en) * | 2008-11-24 | 2014-04-01 | Chiewcharn Narathong | Techniques for improving transmitter performance |
| US8378678B2 (en) | 2009-02-12 | 2013-02-19 | Siemens Medical Solutions Usa, Inc. | System for ordering acquisition of frequency domain components representing MR image data |
| EP2544017A1 (en) * | 2011-07-04 | 2013-01-09 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging system with a fixed output amplitude transmitter |
| US10602957B2 (en) | 2015-06-30 | 2020-03-31 | Varuna Biomedical Corporation | Systems and methods for detecting and visualizing biofields with nuclear magnetic resonance imaging and QED quantum coherent fluid immersion |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829055A (en, 2012) * | 1971-07-23 | 1973-04-17 | ||
| DE2137091B1 (de) * | 1971-07-24 | 1972-12-14 | Licentia | Kernresonanz-Magnetfeldmesser mit automatischem Resonanz abgleich |
| DE2137092B1 (de) * | 1971-07-24 | 1973-01-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Kernresonanz-Magnetfeldmesser |
| JPS5033833B2 (en, 2012) * | 1971-09-06 | 1975-11-04 | ||
| JPS49103693A (en, 2012) * | 1973-02-02 | 1974-10-01 |
-
1975
- 1975-09-04 US US05/610,436 patent/US4021726A/en not_active Expired - Lifetime
- 1975-09-11 DE DE19752540436 patent/DE2540436A1/de active Granted
- 1975-09-11 JP JP50110443A patent/JPS6012574B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2540436A1 (de) | 1976-03-25 |
| JPS6012574B2 (ja) | 1985-04-02 |
| JPS5153888A (en, 2012) | 1976-05-12 |
| US4021726A (en) | 1977-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G01R 33/20 |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BRITISH TECHNOLOGY GROUP LTD., LONDON, GB |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: REICHEL, W., DIPL.-ING. LIPPERT, H., DIPL.-ING., PAT.-ANWAELTE, 60322 FRANKFURT |