JP4347590B2 - 磁気共鳴装置用の高周波アンテナ - Google Patents
磁気共鳴装置用の高周波アンテナ Download PDFInfo
- Publication number
- JP4347590B2 JP4347590B2 JP2003079851A JP2003079851A JP4347590B2 JP 4347590 B2 JP4347590 B2 JP 4347590B2 JP 2003079851 A JP2003079851 A JP 2003079851A JP 2003079851 A JP2003079851 A JP 2003079851A JP 4347590 B2 JP4347590 B2 JP 4347590B2
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- antenna
- conductors
- phase
- frequency
- 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 - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims description 178
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10213565A DE10213565B3 (de) | 2002-03-26 | 2002-03-26 | Hochfrequenzantenne für eine Magnetresonanzanlage |
| DE10213565.7 | 2002-03-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003299632A JP2003299632A (ja) | 2003-10-21 |
| JP2003299632A5 JP2003299632A5 (enExample) | 2006-04-06 |
| JP4347590B2 true JP4347590B2 (ja) | 2009-10-21 |
Family
ID=28050878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003079851A Expired - Fee Related JP4347590B2 (ja) | 2002-03-26 | 2003-03-24 | 磁気共鳴装置用の高周波アンテナ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6842003B2 (enExample) |
| JP (1) | JP4347590B2 (enExample) |
| CN (1) | CN100386644C (enExample) |
| DE (1) | DE10213565B3 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10211567C1 (de) * | 2002-03-15 | 2003-10-23 | Siemens Ag | Hochfrequenzantenne für eine Magnetresonanzanlage |
| DE10213565B3 (de) * | 2002-03-26 | 2004-01-08 | Siemens Ag | Hochfrequenzantenne für eine Magnetresonanzanlage |
| US7511497B2 (en) * | 2002-10-24 | 2009-03-31 | The University Of Houston System | Superconducting array of surface MRI probes |
| DE10316557B4 (de) * | 2003-04-10 | 2007-12-27 | Siemens Ag | Antennenelement für Magnetresonanzanwendungen und Antennenanordnung mit mehreren derartigen Antennenelementen |
| DE10345767B4 (de) * | 2003-10-01 | 2006-05-18 | Siemens Ag | Magnetresonanzgerät mit einer Höhlung und mit einem in der Höhlung angeordneten Gradientenspulensystem |
| DE10345766B3 (de) * | 2003-10-01 | 2005-08-11 | Siemens Ag | Erzeuger zeitvariabler Magnetfelder eines Magnetresonanzgeräts und Magnetresonanzgerät mit dem Erzeuger |
| DE10353343B3 (de) * | 2003-11-14 | 2005-08-25 | Siemens Ag | Magnetresonanzgerät mit einem auf einem Bezugspotential liegenden Hochfrequenzschirm |
| US7345482B2 (en) * | 2005-01-14 | 2008-03-18 | Invivo Corporation | High-field mode-stable resonator for magnetic resonance imaging |
| DE102005008048B4 (de) * | 2005-02-22 | 2009-08-27 | Siemens Ag | Antennenanordnung für eine Magnetresonanzanlage |
| WO2006122202A1 (en) * | 2005-05-11 | 2006-11-16 | The University Of Houston System | An intraluminal mutlifunctional sensor system and method of use |
| WO2006122278A2 (en) * | 2005-05-11 | 2006-11-16 | The University Of Houston System | A magneto sensor system and method of use |
| WO2006122203A1 (en) * | 2005-05-11 | 2006-11-16 | The University Of Houston System | An intraluminal magneto sensor system and method of use |
| DE102006050069B4 (de) * | 2006-10-24 | 2011-07-07 | Siemens AG, 80333 | Birdcage-Resonator mit Koppelringen zusätzlich zu den Endringen |
| DE102006055386B4 (de) * | 2006-11-22 | 2011-08-25 | Siemens AG, 80333 | Ganzkörperantenne für eine Magnetresonanzanlage und Magnetresonanzanlage mit einer solchen Ganzkörperantenne |
| DE102006059137B3 (de) * | 2006-12-14 | 2008-07-31 | Siemens Ag | Arrayantenne für Magnetresonanzanwendungen |
| DE102007054744B4 (de) * | 2007-11-16 | 2009-09-10 | Universitätsklinikum Freiburg | NMR-Tomographieverfahren auf Basis von NBSEM mit 2D-Ortskodierung durch zwei gegeneinander verdrehte Multipol-Gradientenfelder |
| JP5225472B2 (ja) * | 2009-11-30 | 2013-07-03 | 株式会社日立メディコ | 高周波コイルユニット及び磁気共鳴撮像装置 |
| US8598877B2 (en) * | 2009-12-14 | 2013-12-03 | General Electric Company | System and method for coil disabling in magnetic resonance imaging |
| JP5368641B2 (ja) * | 2010-08-17 | 2013-12-18 | 株式会社日立メディコ | 高周波コイルおよびそれを用いた磁気共鳴撮像装置 |
| JP5685476B2 (ja) * | 2011-04-11 | 2015-03-18 | 株式会社日立製作所 | 磁気共鳴イメージング装置 |
| DE102014201118A1 (de) * | 2014-01-22 | 2015-07-23 | Siemens Aktiengesellschaft | Duales Antennensystem zum Laden eines oder mehrerer Hörgeräte |
| JP6709230B2 (ja) | 2015-03-27 | 2020-06-10 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 複数の独立な送受信チャネルをもつ磁気共鳴体積コイルおよびその動作方法 |
| DE102016225793B3 (de) * | 2016-12-21 | 2018-02-08 | Siemens Healthcare Gmbh | Kalibrierung einer Magnetresonanzvorrichtung |
| EP3382410A1 (en) * | 2017-03-30 | 2018-10-03 | Koninklijke Philips N.V. | Mri system with optimized rf transmit and receive capabilities |
| EP3685177A1 (en) | 2017-09-22 | 2020-07-29 | Advanced Imaging Research, Inc. | Advanced safe infant mri system comprising mri compatible infant warming mattress |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE342745C (enExample) * | ||||
| US4638253A (en) * | 1984-10-29 | 1987-01-20 | General Electric Company | Mutual inductance NMR RF coil matching device |
| DE3816831A1 (de) * | 1988-05-18 | 1989-11-30 | Philips Patentverwaltung | Kernspinuntersuchungsgeraet mit einer hochfrequenzspulenanordnung |
| DE4024599C2 (de) * | 1989-08-16 | 1996-08-14 | Siemens Ag | Hochfrequenz-Antenne eines Kernspintomographen |
| DE4035844A1 (de) * | 1990-11-10 | 1992-05-14 | Philips Patentverwaltung | Quadraturspulenanordnung |
| US5585721A (en) * | 1991-06-24 | 1996-12-17 | Fonar Corporation | Inductively coupled dedicated RF coils for MRI |
| DE4226814A1 (de) * | 1992-08-13 | 1994-02-17 | Philips Patentverwaltung | Spulenanordnung für MR-Untersuchungen der Mamma |
| DE19515586A1 (de) * | 1995-04-27 | 1996-10-31 | Siemens Ag | Hochfrequenz-Antennensystem eines Gerätes zur magnetischen Kernresonanz |
| DE19702256A1 (de) * | 1997-01-23 | 1998-07-30 | Philips Patentverwaltung | MR-Gerät mit einer MR-Spulenanordnung |
| EP1230559A2 (en) * | 1999-05-21 | 2002-08-14 | The General Hospital Corporation | Rf coil for imaging system |
| US6522143B1 (en) * | 1999-09-17 | 2003-02-18 | Koninklijke Philips Electronics, N. V. | Birdcage RF coil employing an end ring resonance mode for quadrature operation in magnetic resonance imaging |
| US6316941B1 (en) * | 2000-02-24 | 2001-11-13 | Marconi Medical Systems, Inc. | Open view quadrature birdcage coil |
| DE10211567C1 (de) * | 2002-03-15 | 2003-10-23 | Siemens Ag | Hochfrequenzantenne für eine Magnetresonanzanlage |
| DE10213565B3 (de) * | 2002-03-26 | 2004-01-08 | Siemens Ag | Hochfrequenzantenne für eine Magnetresonanzanlage |
-
2002
- 2002-03-26 DE DE10213565A patent/DE10213565B3/de not_active Expired - Fee Related
-
2003
- 2003-03-21 US US10/394,925 patent/US6842003B2/en not_active Expired - Lifetime
- 2003-03-24 CN CNB031076629A patent/CN100386644C/zh not_active Expired - Fee Related
- 2003-03-24 JP JP2003079851A patent/JP4347590B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6842003B2 (en) | 2005-01-11 |
| DE10213565B3 (de) | 2004-01-08 |
| CN1447126A (zh) | 2003-10-08 |
| JP2003299632A (ja) | 2003-10-21 |
| US20030184298A1 (en) | 2003-10-02 |
| CN100386644C (zh) | 2008-05-07 |
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