JPS6249840A - 核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツド - Google Patents
核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツドInfo
- Publication number
- JPS6249840A JPS6249840A JP61143095A JP14309586A JPS6249840A JP S6249840 A JPS6249840 A JP S6249840A JP 61143095 A JP61143095 A JP 61143095A JP 14309586 A JP14309586 A JP 14309586A JP S6249840 A JPS6249840 A JP S6249840A
- Authority
- JP
- Japan
- Prior art keywords
- jacket
- inspection head
- inspection
- conductor
- 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.)
- Granted
Links
- 238000005481 NMR spectroscopy Methods 0.000 title claims description 8
- 238000003325 tomography Methods 0.000 title claims description 8
- 239000004020 conductor Substances 0.000 claims description 56
- 238000007689 inspection Methods 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 229920002994 synthetic fiber Polymers 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005311 nuclear magnetism Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000011282 treatment 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3522401.0 | 1985-06-22 | ||
| DE19853522401 DE3522401A1 (de) | 1985-06-22 | 1985-06-22 | Probenkopf fuer die nmr-tomographie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6249840A true JPS6249840A (ja) | 1987-03-04 |
| JPH0351174B2 JPH0351174B2 (https=) | 1991-08-06 |
Family
ID=6273926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61143095A Granted 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 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4939465A (https=) |
| EP (1) | EP0206057B1 (https=) |
| JP (1) | JPS6249840A (https=) |
| DE (2) | DE3522401A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429102A (en) * | 1987-05-04 | 1989-01-31 | Advanced N M R Syst Inc | Cavity resonator for generating and inducing radio frequency magnetic field |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3839046A1 (de) * | 1988-11-18 | 1990-05-23 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
| DE3923069C3 (de) * | 1989-07-13 | 1996-11-21 | Bruker Medizintech | Verfahren und Vorrichtung zum Kalibrieren einer Hochfrequenz-Feldstärke in einem Meßraum eines Kernspintomographen |
| 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 |
| DE4104079C2 (de) * | 1991-02-11 | 1994-12-08 | Bruker Medizintech | Probenkopf für die NMR-Tomographie |
| 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 |
| US5453692A (en) * | 1992-08-06 | 1995-09-26 | Hitachi, Ltd. | RF probe for nuclear magnetic resonance imaging (MRI) devices |
| 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 |
| DE4408195C2 (de) * | 1994-03-11 | 1996-09-05 | Bruker Analytische Messtechnik | Resonator für die Kernspinresonanz |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839939A (ja) * | 1981-08-24 | 1983-03-08 | シ−メンス・アクチエンゲゼルシヤフト | 核スピン共鳴装置用の高周波発生又は受信装置 |
| JPS61742A (ja) * | 1984-02-27 | 1986-01-06 | ピカ− インタ−ナシヨナル リミテツド | 核磁気共鳴（ｎｍｒ）写像装置用高周波コイル装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0047065B1 (en) * | 1980-08-29 | 1986-10-01 | Technicare Corporation | Distributed phase rf coil |
| US4439733A (en) * | 1980-08-29 | 1984-03-27 | Technicare Corporation | Distributed phase RF coil |
| 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 |
| US4694255A (en) * | 1983-11-04 | 1987-09-15 | General Electric Company | Radio frequency field coil for NMR |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839939A (ja) * | 1981-08-24 | 1983-03-08 | シ−メンス・アクチエンゲゼルシヤフト | 核スピン共鳴装置用の高周波発生又は受信装置 |
| JPS61742A (ja) * | 1984-02-27 | 1986-01-06 | ピカ− インタ−ナシヨナル リミテツド | 核磁気共鳴（ｎｍｒ）写像装置用高周波コイル装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6429102A (en) * | 1987-05-04 | 1989-01-31 | Advanced N M R Syst Inc | Cavity resonator for generating and inducing radio frequency magnetic field |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0206057A3 (en) | 1987-08-05 |
| US4939465A (en) | 1990-07-03 |
| JPH0351174B2 (https=) | 1991-08-06 |
| EP0206057A2 (de) | 1986-12-30 |
| EP0206057B1 (de) | 1990-05-02 |
| DE3522401A1 (de) | 1987-01-02 |
| DE3670913D1 (de) | 1990-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |