DE3685805D1 - Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet. - Google Patents
Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet.Info
- Publication number
- DE3685805D1 DE3685805D1 DE8686201904T DE3685805T DE3685805D1 DE 3685805 D1 DE3685805 D1 DE 3685805D1 DE 8686201904 T DE8686201904 T DE 8686201904T DE 3685805 T DE3685805 T DE 3685805T DE 3685805 D1 DE3685805 D1 DE 3685805D1
- Authority
- DE
- Germany
- Prior art keywords
- coil arrangement
- nuclear spin
- reson
- frequency coil
- outer conductor
- 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 - Lifetime
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
- G01R33/28—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
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface 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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised 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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
- G01R33/34061—Helmholtz 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8686201904T DE3685805D1 (de) | 1985-11-02 | 1986-10-31 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853538952 DE3538952A1 (de) | 1985-11-02 | 1985-11-02 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet |
DE8686201904T DE3685805D1 (de) | 1985-11-02 | 1986-10-31 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3685805D1 true DE3685805D1 (de) | 1992-07-30 |
Family
ID=6285043
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853538952 Withdrawn DE3538952A1 (de) | 1985-11-02 | 1985-11-02 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet |
DE8686201904T Expired - Lifetime DE3685805D1 (de) | 1985-11-02 | 1986-10-31 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853538952 Withdrawn DE3538952A1 (de) | 1985-11-02 | 1985-11-02 | Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet |
Country Status (4)
Country | Link |
---|---|
US (1) | US4746866A (de) |
EP (1) | EP0223284B1 (de) |
JP (1) | JPH0712353B2 (de) |
DE (2) | DE3538952A1 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4918388A (en) * | 1985-08-14 | 1990-04-17 | Picker International, Inc. | Quadrature surface coils for magnetic resonance imaging |
US4839594A (en) * | 1987-08-17 | 1989-06-13 | Picker International, Inc. | Faraday shield localized coil for magnetic resonance imaging |
WO1988009926A1 (fr) * | 1987-06-02 | 1988-12-15 | Thomson-Cgr | Antenne de reception pour appareil d'imagerie par resonance magnetique nucleaire |
DE3725718A1 (de) * | 1987-08-04 | 1989-02-16 | Bruker Analytische Messtechnik | Probenkopf fuer nmr-spektrometer |
IL85786A (en) * | 1988-03-18 | 1991-06-10 | Elscint Ltd | Hybrid surface coil |
FR2629335B1 (fr) * | 1988-03-30 | 1990-12-21 | Magnetech | Antenne pour dispositif d'imagerie par resonance magnetique nucleaire |
DE3938167A1 (de) * | 1988-11-28 | 1990-05-31 | Siemens Ag | Gradientenspulen-system fuer einen kernspintomographen |
DE4038107C2 (de) * | 1989-12-12 | 2000-02-10 | Siemens Ag | Resonator für einen Kernspintomographen |
DE4038106C2 (de) * | 1989-12-12 | 2002-04-18 | Siemens Ag | Oberflächenresonator für einen Kernspintomographen |
US5432450A (en) * | 1993-03-09 | 1995-07-11 | The Five Oaks Research Institute | Truncated nuclear magnetic imaging probe |
US5347221A (en) * | 1993-03-09 | 1994-09-13 | Rubinson Kenneth A | Truncated nuclear magnetic imaging probe |
US5557247A (en) * | 1993-08-06 | 1996-09-17 | Uab Research Foundation | Radio frequency volume coils for imaging and spectroscopy |
US5886596A (en) * | 1993-08-06 | 1999-03-23 | Uab Research Foundation | Radio frequency volume coils for imaging and spectroscopy |
US5744957A (en) * | 1995-08-15 | 1998-04-28 | Uab Research Foundation | Cavity resonator for NMR systems |
EP0930511B1 (de) * | 1998-01-15 | 2006-06-21 | Varian, Inc. | Einstellbare externe Kapazität für NMR-Sonde |
DE19838951C1 (de) * | 1998-08-27 | 2000-05-04 | Schroff Gmbh | HF-dichte Durchführung |
US6255816B1 (en) | 1998-10-20 | 2001-07-03 | The Ohio State University | Electromagnetic resonator devices and systems incorporating same, resonance and imaging methods |
EP1230559A2 (de) * | 1999-05-21 | 2002-08-14 | The General Hospital Corporation | Tem resonator für die bildgebung mittels magnetischer resonanz |
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 |
US6501274B1 (en) | 1999-10-15 | 2002-12-31 | Nova Medical, Inc. | Magnetic resonance imaging system using coils having paraxially distributed transmission line elements with outer and inner conductors |
US6535084B1 (en) | 2000-01-15 | 2003-03-18 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for designing an RF coil assembly |
JP2004504906A (ja) * | 2000-07-31 | 2004-02-19 | リージェンツ オブ ザ ユニバーシティ オブ ミネソタ | 高周波磁界ユニット |
EP1514140A4 (de) * | 2002-05-17 | 2006-01-25 | Mr Instr Inc | Hohlraumresonator für mr-systeme |
US6727701B1 (en) * | 2003-03-05 | 2004-04-27 | Igc Medical Advances, Inc. | Loop MRI coil with improved homogeneity |
US6980000B2 (en) * | 2003-04-29 | 2005-12-27 | Varian, Inc. | Coils for high frequency MRI |
JP2007511315A (ja) * | 2003-11-18 | 2007-05-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Mri用のハイブリッドtem/バードケージコイル |
CN100554993C (zh) * | 2003-11-18 | 2009-10-28 | 皇家飞利浦电子股份有限公司 | 用于超高场(shf)mri的rf线圈系统 |
FR2866120B1 (fr) | 2004-02-06 | 2006-11-17 | Commissariat Energie Atomique | Ligne de transmission et cavite resonante de haute frequence utilisant de telles lignes de transmission, notamment pour la resonance magnetique nucleaire |
US20050264291A1 (en) * | 2004-05-07 | 2005-12-01 | Vaughan J T | Multi-current elements for magnetic resonance radio frequency coils |
DE602006016068D1 (de) * | 2005-01-24 | 2010-09-23 | Koninkl Philips Electronics Nv | Orthogonale spule zur kernspintomographie |
US7659719B2 (en) * | 2005-11-25 | 2010-02-09 | Mr Instruments, Inc. | Cavity resonator for magnetic resonance systems |
US7714581B2 (en) * | 2006-04-19 | 2010-05-11 | Wisconsin Alumni Research Foundation | RF coil assembly for magnetic resonance imaging and spectroscopy systems |
DE102006045427A1 (de) * | 2006-09-26 | 2008-04-10 | Siemens Ag | Detektionseinheit zur Anordnung in einer Felderzeugungseinheit eines MR-Geräts |
US7508212B2 (en) | 2007-03-22 | 2009-03-24 | Wisconsin Alumni Research Foundation | RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems |
FR2956214B1 (fr) | 2010-02-09 | 2012-02-24 | Commissariat Energie Atomique | Resonateur lineaire d'une antenne haute frequence pour appareil d'imagerie par resonance magnetique nucleaire |
FR2956744B1 (fr) | 2010-02-24 | 2012-03-09 | Commissariat Energie Atomique | Procede de realisation d'un module de pilotage d'une antenne haute frequence pour appareil d'imagerie par resonnance magnetique nucleaire |
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 |
FR2978250B1 (fr) | 2011-07-20 | 2014-11-21 | Commissariat Energie Atomique | Procede de realisation d’un module compact de pilotage d’une antenne haute frequence pour appareil d’imagerie par resonnance magnetique nucleaire |
WO2013013680A1 (de) | 2011-07-22 | 2013-01-31 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Antenne und antennenanordnung für magnetresonanz-anwendungen |
US10324145B2 (en) | 2011-10-10 | 2019-06-18 | Koninklijke Philips N.V. | Transverse-electromagnetic (TEM) radio-frequency coil for magnetic resonance |
KR102145001B1 (ko) * | 2014-01-03 | 2020-08-14 | 삼성전자주식회사 | 알에프 코일 구조물 |
DE102014211316A1 (de) * | 2014-06-13 | 2015-12-17 | Siemens Aktiengesellschaft | Elektrische Spuleneinrichtung mit wenigstens zwei Teilspulen und Herstellungsverfahren dazu |
KR102237827B1 (ko) * | 2014-09-01 | 2021-04-08 | 삼성전자주식회사 | 유전 구조체를 포함하는 rf 코일부 및 이를 포함하는 자기공명영상 시스템 |
CN109642931B (zh) * | 2016-08-18 | 2022-01-25 | 皇家飞利浦有限公司 | 用于磁共振成像的可调谐rf线圈 |
DE102018201476A1 (de) | 2018-01-31 | 2019-08-01 | Siemens Healthcare Gmbh | Lokalspule für Magnetresonanztomograph |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492404A (en) * | 1945-11-10 | 1949-12-27 | Rca Corp | Construction of ultra high frequency broad-band antennas |
US3795855A (en) * | 1971-12-08 | 1974-03-05 | Cyclotron Corp | Magnetic resonance probe system |
CA1062344A (en) * | 1976-04-19 | 1979-09-11 | Keith G. Gerrish | Non-contacting radio frequency power coupler for relative linear motion |
DE2750589A1 (de) * | 1977-11-11 | 1979-05-17 | Siemens Ag | Anpassungsnetzwerk fuer sehr kurze elektromagnetische wellen |
US4439733A (en) * | 1980-08-29 | 1984-03-27 | Technicare Corporation | Distributed phase RF coil |
DE3347597A1 (de) * | 1983-12-30 | 1985-07-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern |
NL8400327A (nl) * | 1984-02-03 | 1985-09-02 | Philips Nv | Spoel voor kernspinresonantie apparaat. |
DE3410215A1 (de) * | 1984-03-20 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Hochfrequenz-antenneneinrichtung in einer kernspintomographie-apparatur und verfahren zu ihrem betrieb |
US4607224A (en) * | 1984-06-22 | 1986-08-19 | Varian Associates, Inc. | Double post reentrant cavity for NMR probes |
US4634980A (en) * | 1984-08-16 | 1987-01-06 | Picker International, Inc. | Nuclear magnetic resonance radio frequency antenna |
-
1985
- 1985-11-02 DE DE19853538952 patent/DE3538952A1/de not_active Withdrawn
-
1986
- 1986-10-31 EP EP86201904A patent/EP0223284B1/de not_active Expired - Lifetime
- 1986-10-31 DE DE8686201904T patent/DE3685805D1/de not_active Expired - Lifetime
- 1986-11-03 US US06/926,475 patent/US4746866A/en not_active Expired - Fee Related
- 1986-11-04 JP JP61260828A patent/JPH0712353B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4746866A (en) | 1988-05-24 |
EP0223284B1 (de) | 1992-06-24 |
EP0223284A3 (en) | 1989-07-26 |
DE3538952A1 (de) | 1987-05-14 |
JPS62112542A (ja) | 1987-05-23 |
EP0223284A2 (de) | 1987-05-27 |
JPH0712353B2 (ja) | 1995-02-15 |
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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 |