DE3522401A1 - Probenkopf fuer die nmr-tomographie - Google Patents
Probenkopf fuer die nmr-tomographieInfo
- Publication number
- DE3522401A1 DE3522401A1 DE19853522401 DE3522401A DE3522401A1 DE 3522401 A1 DE3522401 A1 DE 3522401A1 DE 19853522401 DE19853522401 DE 19853522401 DE 3522401 A DE3522401 A DE 3522401A DE 3522401 A1 DE3522401 A1 DE 3522401A1
- Authority
- DE
- Germany
- Prior art keywords
- sample head
- head according
- sample
- frequency
- conductors
- 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.)
- Withdrawn
Links
- 238000003325 tomography Methods 0.000 title claims description 6
- 239000000523 sample Substances 0.000 claims description 70
- 239000004020 conductor Substances 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 11
- 238000005481 NMR spectroscopy Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 230000005284 excitation Effects 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000007740 vapor deposition 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
- G01R33/28—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
- G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
- G01R33/3453—Transverse electromagnetic [TEM] 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
- G01R33/32—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
- G01R33/3628—Tuning/matching of the transmit/receive coil
-
- 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
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- 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
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
-
- 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
- G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
-
- 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
- G01R33/42—Screening
- G01R33/422—Screening of the radio frequency field
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853522401 DE3522401A1 (de) | 1985-06-22 | 1985-06-22 | Probenkopf fuer die nmr-tomographie |
| DE8686107746T DE3670913D1 (de) | 1985-06-22 | 1986-06-06 | Probenkopf fuer kernresonanz(nmr)-messungen, insbesondere fuer die nmr-tomographie. |
| EP86107746A EP0206057B1 (de) | 1985-06-22 | 1986-06-06 | Probenkopf für Kernresonanz(NMR)-Messungen, insbesondere für die NMR-Tomographie |
| US06/875,809 US4939465A (en) | 1985-06-22 | 1986-06-18 | Probe head for nuclear magnetic resonance (NMR) measurements, in particular for use in NMR tomography |
| JP61143095A JPS6249840A (ja) | 1985-06-22 | 1986-06-20 | 核磁気共鳴(nmr)−測定、特にnmr−断層撮影のための検査ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853522401 DE3522401A1 (de) | 1985-06-22 | 1985-06-22 | Probenkopf fuer die nmr-tomographie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3522401A1 true DE3522401A1 (de) | 1987-01-02 |
Family
ID=6273926
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853522401 Withdrawn DE3522401A1 (de) | 1985-06-22 | 1985-06-22 | Probenkopf fuer die nmr-tomographie |
| DE8686107746T Expired - Lifetime DE3670913D1 (de) | 1985-06-22 | 1986-06-06 | Probenkopf fuer kernresonanz(nmr)-messungen, insbesondere fuer die nmr-tomographie. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8686107746T Expired - Lifetime DE3670913D1 (de) | 1985-06-22 | 1986-06-06 | Probenkopf fuer kernresonanz(nmr)-messungen, insbesondere fuer die nmr-tomographie. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4939465A (https=) |
| EP (1) | EP0206057B1 (https=) |
| JP (1) | JPS6249840A (https=) |
| DE (2) | DE3522401A1 (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3839046A1 (de) * | 1988-11-18 | 1990-05-23 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
| DE3923069A1 (de) * | 1989-07-13 | 1991-01-24 | Bruker Medizintech | Verfahren und vorrichtung zum kalibrieren einer hochfrequenz-feldstaerke in einem messraum eines kernspintomographen |
| DE4104079A1 (de) * | 1991-02-11 | 1992-08-13 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
| DE4326516A1 (de) * | 1992-08-06 | 1994-02-10 | Hitachi Ltd | Hochfrequenz-Sonde für kernmagnetische resonanzabbildende (MRI) Vorrichtungen |
| DE4408195A1 (de) * | 1994-03-11 | 1995-09-14 | Bruker Analytische Messtechnik | Resonator für die Kernspinresonanz |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751464A (en) * | 1987-05-04 | 1988-06-14 | Advanced Nmr Systems, Inc. | Cavity resonator with improved magnetic field uniformity for high frequency operation and reduced dielectric heating in NMR imaging devices |
| US5041791A (en) * | 1989-08-07 | 1991-08-20 | Washington University | Magnetic resonance RF probe with electromagnetically isolated transmitter and receiver coils |
| WO1991002261A1 (en) * | 1989-08-11 | 1991-02-21 | British Technology Group Plc | Resonant cavities for nmr |
| US5132621A (en) * | 1990-04-24 | 1992-07-21 | General Electric Company | Radio frequency field coil and power splitter for nmr |
| US5365173A (en) * | 1992-07-24 | 1994-11-15 | Picker International, Inc. | Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling |
| US5372137A (en) * | 1993-01-19 | 1994-12-13 | The Mcw Research Foundation, Inc. | NMR local coil for brain imaging |
| DE4301557C2 (de) * | 1993-01-21 | 1995-07-06 | Siemens Ag | Antennenanordnung mit Abschirmung für ein Kernspintomographiegerät |
| US5347221A (en) * | 1993-03-09 | 1994-09-13 | Rubinson Kenneth A | Truncated nuclear magnetic imaging probe |
| US5432450A (en) * | 1993-03-09 | 1995-07-11 | The Five Oaks Research Institute | Truncated nuclear magnetic imaging probe |
| US5483163A (en) * | 1993-08-12 | 1996-01-09 | The United States Of America As Represented By The Department Of Health And Human Services | MRI coil using inductively coupled individually tuned elements arranged as free-pivoting components |
| DE19732783C1 (de) * | 1997-07-30 | 1999-03-04 | Bruker Medizintech | HF-Spulensystem für eine MR-Meßeinrichtung |
| US6236206B1 (en) | 1999-04-23 | 2001-05-22 | Varian, Inc. | Globally tunable birdcage coil and method for using same |
| CA2373526A1 (en) | 1999-05-21 | 2000-11-30 | The General Hospital Corporation | Tem resonator for magnetic resonance imaging |
| US7598739B2 (en) * | 1999-05-21 | 2009-10-06 | Regents Of The University Of Minnesota | Radio frequency gradient, shim and parallel imaging coil |
| US6232779B1 (en) * | 1999-08-25 | 2001-05-15 | General Electric Company | NMR RF coil with improved resonant tuning and field containment |
| US6788056B2 (en) | 2000-07-31 | 2004-09-07 | Regents Of The University Of Minnesota | Radio frequency magnetic field unit with aperature |
| EP1687651A1 (en) * | 2003-11-18 | 2006-08-09 | Koninklijke Philips Electronics N.V. | Hybrid tem/birdcage coil for mri |
| CA2565248C (en) * | 2004-05-07 | 2014-07-08 | Regents Of The University Of Minnesota | Multi-current elements for magnetic resonance radio frequency coils |
| CN101171526B (zh) * | 2005-05-06 | 2012-07-18 | 皇家飞利浦电子股份有限公司 | 用于高场mri线圈的电磁屏蔽 |
| DE102006045399A1 (de) * | 2006-09-26 | 2008-04-10 | Siemens Ag | Detektionseinheit, enthaltend ein HF-Sende-Empfangssystem und einen PET-Detektor |
| US7613578B2 (en) * | 2007-05-01 | 2009-11-03 | Hagmann Mark J | Method for noninvasive determination of a distribution of electrical current and apparatus for the same |
| EP2249699B1 (en) * | 2008-01-25 | 2013-11-20 | Agilent Technologies, Inc. | Differential tuning of quadrature modes of a magnetic resonance coil |
| DE102008009376B4 (de) * | 2008-02-14 | 2011-02-03 | Bruker Biospin Gmbh | Resonatoranordnung für Messungen an einer Probe in einem konstanten Magnetfeld mittels magnetischer Resonanz |
| JP5248557B2 (ja) * | 2010-07-29 | 2013-07-31 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0047065A2 (en) * | 1980-08-29 | 1982-03-10 | Technicare Corporation | Distributed phase RF coil |
| DE3133432A1 (de) * | 1981-08-24 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur |
| EP0084946A1 (en) * | 1982-01-18 | 1983-08-03 | Technicare Corporation | Apparatus for generating or detecting field components in a magnetic resonance system |
| EP0141383A2 (en) * | 1983-11-04 | 1985-05-15 | General Electric Company | Radio frequency field coil for NMR |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4398149A (en) * | 1981-02-02 | 1983-08-09 | Varian Associates, Inc. | NMR Probe coil system |
| NL8203934A (nl) * | 1982-10-12 | 1984-05-01 | Philips Nv | Kernspintomograaf. |
| 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 |
| GB8405066D0 (en) * | 1984-02-27 | 1984-04-04 | Picker Int Ltd | Coil arrangements |
| DE3410204A1 (de) * | 1984-03-20 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenz-antenneneinrichtung in einer apparatur zur kernspintomographie und verfahren zum betrieb dieser einrichtung |
| US4649348A (en) * | 1984-08-20 | 1987-03-10 | Technicare Corporation | Radio frequency coils for nuclear magnetic resonance imaging systems |
-
1985
- 1985-06-22 DE DE19853522401 patent/DE3522401A1/de not_active Withdrawn
-
1986
- 1986-06-06 DE DE8686107746T patent/DE3670913D1/de not_active Expired - Lifetime
- 1986-06-06 EP EP86107746A patent/EP0206057B1/de not_active Expired - Lifetime
- 1986-06-18 US US06/875,809 patent/US4939465A/en not_active Expired - Lifetime
- 1986-06-20 JP JP61143095A patent/JPS6249840A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0047065A2 (en) * | 1980-08-29 | 1982-03-10 | Technicare Corporation | Distributed phase RF coil |
| DE3133432A1 (de) * | 1981-08-24 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur |
| EP0084946A1 (en) * | 1982-01-18 | 1983-08-03 | Technicare Corporation | Apparatus for generating or detecting field components in a magnetic resonance system |
| EP0141383A2 (en) * | 1983-11-04 | 1985-05-15 | General Electric Company | Radio frequency field coil for NMR |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3839046A1 (de) * | 1988-11-18 | 1990-05-23 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
| US4992737A (en) * | 1988-11-18 | 1991-02-12 | Bruker Medizintechnik Gmbh | Sample head for NMR tomography |
| DE3923069A1 (de) * | 1989-07-13 | 1991-01-24 | Bruker Medizintech | Verfahren und vorrichtung zum kalibrieren einer hochfrequenz-feldstaerke in einem messraum eines kernspintomographen |
| US5138261A (en) * | 1989-07-13 | 1992-08-11 | Bruker Medizintechnik Gmbh | Nuclear magnetic resonance tomograph |
| DE4104079A1 (de) * | 1991-02-11 | 1992-08-13 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
| US5281918A (en) * | 1991-02-11 | 1994-01-25 | Bruker Medizintechnik Gmbh | Sample head for NMR tomography |
| DE4326516A1 (de) * | 1992-08-06 | 1994-02-10 | Hitachi Ltd | Hochfrequenz-Sonde für kernmagnetische resonanzabbildende (MRI) Vorrichtungen |
| US5453692A (en) * | 1992-08-06 | 1995-09-26 | Hitachi, Ltd. | RF probe for nuclear magnetic resonance imaging (MRI) devices |
| DE4326516C2 (de) * | 1992-08-06 | 1998-02-05 | Hitachi Ltd | Hochfrequenz-Sonde für MRI-Vorrichtungen |
| DE4408195A1 (de) * | 1994-03-11 | 1995-09-14 | Bruker Analytische Messtechnik | Resonator für die Kernspinresonanz |
| US5581186A (en) * | 1994-03-11 | 1996-12-03 | Bruker Analytische Messtechnik Gmbh | Bird cage resonator for high resolution nuclear magnetic resonance |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0206057A3 (en) | 1987-08-05 |
| US4939465A (en) | 1990-07-03 |
| JPH0351174B2 (https=) | 1991-08-06 |
| JPS6249840A (ja) | 1987-03-04 |
| EP0206057A2 (de) | 1986-12-30 |
| EP0206057B1 (de) | 1990-05-02 |
| DE3670913D1 (de) | 1990-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8139 | Disposal/non-payment of the annual fee |