CN102540119A - 磁共振天线和具有磁共振天线的磁共振仪 - Google Patents
磁共振天线和具有磁共振天线的磁共振仪 Download PDFInfo
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- CN102540119A CN102540119A CN2011102829400A CN201110282940A CN102540119A CN 102540119 A CN102540119 A CN 102540119A CN 2011102829400 A CN2011102829400 A CN 2011102829400A CN 201110282940 A CN201110282940 A CN 201110282940A CN 102540119 A CN102540119 A CN 102540119A
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- antenna
- magnetic resonance
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Images
Classifications
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- 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
- G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a 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
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
- G01R33/34076—Birdcage 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
- G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
-
- 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
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010041984.2A DE102010041984B4 (de) | 2010-10-05 | 2010-10-05 | Magnetresonanzantenne, sowie eine Magnetresonanzvorrichtung mit einer Magnetresonanzantenne |
DE102010041984.2 | 2010-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102540119A true CN102540119A (zh) | 2012-07-04 |
CN102540119B CN102540119B (zh) | 2016-05-04 |
Family
ID=45832455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110282940.0A Active CN102540119B (zh) | 2010-10-05 | 2011-09-22 | 磁共振天线和具有磁共振天线的磁共振仪 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8779774B2 (zh) |
CN (1) | CN102540119B (zh) |
DE (1) | DE102010041984B4 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10123408B2 (en) * | 2012-03-14 | 2018-11-06 | Nvidia Corporation | Circuit board, current-measuring device, and method of measuring a current of a circuit board |
DE102013223482B4 (de) * | 2013-11-18 | 2017-02-09 | Siemens Healthcare Gmbh | Verfahren zur Auslegung einer in einer kombinierten PET-Magnetresonanzeinrichtung zu nutzenden Lokalspule für die Magnetresonanzbildgebung und Lokalspule |
US10466320B2 (en) * | 2017-08-17 | 2019-11-05 | General Electric Company | Multi-layered radio frequency coil |
JP6887346B2 (ja) * | 2017-08-29 | 2021-06-16 | 株式会社日立製作所 | 高周波コイルユニット及び磁気共鳴イメージング装置 |
EP3796019B1 (de) * | 2019-09-23 | 2023-11-15 | Siemens Healthcare GmbH | Verfahren und vorrichtung zum erkennen von defekten verstimmschaltungen bei einem magnetresonanztomographen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5144240A (en) * | 1985-08-14 | 1992-09-01 | Picker International, Inc. | Nmr spectroscopy and imaging coil |
CN101548193A (zh) * | 2007-04-04 | 2009-09-30 | 西门子公司 | Mri用鸟笼式发射天线 |
CN101625401A (zh) * | 2008-07-09 | 2010-01-13 | 西门子公司 | 组合正电子发射断层成像-磁共振装置、部件和局部线圈 |
CN101750595A (zh) * | 2008-12-05 | 2010-06-23 | 通用电气公司 | 射频(rf)线圈和设备 |
US20100188086A1 (en) * | 2008-12-16 | 2010-07-29 | Razvan Lazar | Magnetic resonance antenna |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6898454B2 (en) * | 1996-04-25 | 2005-05-24 | The Johns Hopkins University | Systems and methods for evaluating the urethra and the periurethral tissues |
US6711430B1 (en) * | 1998-10-09 | 2004-03-23 | Insight Neuroimaging Systems, Inc. | Method and apparatus for performing neuroimaging |
US6873156B2 (en) * | 1998-05-06 | 2005-03-29 | Insight Neuroimaging Systems, Llc | Method and apparatus for performing neuroimaging |
DE10314215B4 (de) | 2003-03-28 | 2006-11-16 | Siemens Ag | Magnetresonanzantenne und Verfahren zur Verstimmung deren Eigenresonanzfrequenz |
DE10353343B3 (de) * | 2003-11-14 | 2005-08-25 | Siemens Ag | Magnetresonanzgerät mit einem auf einem Bezugspotential liegenden Hochfrequenzschirm |
EP1624314A1 (de) * | 2004-08-05 | 2006-02-08 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Helmförmige TEM-Antenne für Magnetresonanzmessungen |
DE102005015070B4 (de) * | 2005-04-01 | 2017-02-02 | Siemens Healthcare Gmbh | Kombiniertes Positronen-Emissions-Tomographie-und Magnetresonanz-Tomographie-Gerät |
EP1898206A1 (en) | 2006-09-06 | 2008-03-12 | DKFZ Deutsches Krebsforschungszentrum | Dual-modality imaging |
DE102007011840B4 (de) * | 2007-03-12 | 2009-01-29 | Siemens Ag | Feldverteilungs-Korrekturelement, Verfahren zur Erzeugung von Magnetresonanzaufnahmen eines Untersuchungsobjekts und Verwendung des Feldverteilungs-Korrekturelements |
US7816918B2 (en) * | 2007-05-24 | 2010-10-19 | The Johns Hopkins University | Optimized MRI strip array detectors and apparatus, systems and methods related thereto |
ATE505736T1 (de) * | 2007-09-28 | 2011-04-15 | Max Planck Gesellschaft | Streifenleiter-antenne und antennenanordnung für ein magnetresonanzgerät |
US7936170B2 (en) * | 2008-08-08 | 2011-05-03 | General Electric Co. | RF coil and apparatus to reduce acoustic noise in an MRI system |
EP2196240A1 (en) * | 2008-12-12 | 2010-06-16 | Koninklijke Philips Electronics N.V. | Therapeutic apparatus |
US8392218B2 (en) * | 2009-03-18 | 2013-03-05 | Siemens Aktiengesellschaft | Sequential control and execution of medical applications at different workstations |
US8063636B2 (en) * | 2009-05-29 | 2011-11-22 | The Invention Science Fund I, Llc | Systems, devices, methods, and compositions including targeted ferromagnetic structures |
-
2010
- 2010-10-05 DE DE102010041984.2A patent/DE102010041984B4/de not_active Expired - Fee Related
-
2011
- 2011-09-22 CN CN201110282940.0A patent/CN102540119B/zh active Active
- 2011-10-05 US US13/253,066 patent/US8779774B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5144240A (en) * | 1985-08-14 | 1992-09-01 | Picker International, Inc. | Nmr spectroscopy and imaging coil |
CN101548193A (zh) * | 2007-04-04 | 2009-09-30 | 西门子公司 | Mri用鸟笼式发射天线 |
CN101625401A (zh) * | 2008-07-09 | 2010-01-13 | 西门子公司 | 组合正电子发射断层成像-磁共振装置、部件和局部线圈 |
CN101750595A (zh) * | 2008-12-05 | 2010-06-23 | 通用电气公司 | 射频(rf)线圈和设备 |
US20100188086A1 (en) * | 2008-12-16 | 2010-07-29 | Razvan Lazar | Magnetic resonance antenna |
Also Published As
Publication number | Publication date |
---|---|
US8779774B2 (en) | 2014-07-15 |
CN102540119B (zh) | 2016-05-04 |
DE102010041984A1 (de) | 2012-04-05 |
DE102010041984B4 (de) | 2014-02-27 |
US20120086451A1 (en) | 2012-04-12 |
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Effective date of registration: 20220125 Address after: Erlangen Patentee after: Siemens Healthineers AG Address before: Munich, Germany Patentee before: SIEMENS AG |
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Effective date of registration: 20240903 Address after: German Phu F Haim Patentee after: Siemens Medical AG Country or region after: Germany Address before: Erlangen Patentee before: Siemens Healthineers AG Country or region before: Germany |
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