DE69317327T2 - Asymmetrische Hochfrequenzspulenanordnung für Bilderzeugung mittels magnetischer Resonanz - Google Patents
Asymmetrische Hochfrequenzspulenanordnung für Bilderzeugung mittels magnetischer ResonanzInfo
- Publication number
- DE69317327T2 DE69317327T2 DE69317327T DE69317327T DE69317327T2 DE 69317327 T2 DE69317327 T2 DE 69317327T2 DE 69317327 T DE69317327 T DE 69317327T DE 69317327 T DE69317327 T DE 69317327T DE 69317327 T2 DE69317327 T2 DE 69317327T2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- resonance imaging
- frequency coil
- coil arrangement
- asymmetric high
- 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
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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
-
- 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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3628—Tuning/matching of the transmit/receive coil
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/887,634 US5309104A (en) | 1992-05-22 | 1992-05-22 | Asymmetric radio frequency coil for magnetic resonance imaging |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69317327D1 DE69317327D1 (de) | 1998-04-16 |
DE69317327T2 true DE69317327T2 (de) | 1998-10-08 |
Family
ID=25391557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69317327T Expired - Fee Related DE69317327T2 (de) | 1992-05-22 | 1993-05-20 | Asymmetrische Hochfrequenzspulenanordnung für Bilderzeugung mittels magnetischer Resonanz |
Country Status (5)
Country | Link |
---|---|
US (1) | US5309104A (de) |
EP (1) | EP0571211B1 (de) |
JP (1) | JP3340791B2 (de) |
DE (1) | DE69317327T2 (de) |
IL (1) | IL105664A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10143614B4 (de) * | 2000-09-11 | 2013-02-21 | Nmr Holdings No. 2 Pty Limited | Asymmetrische Hochfrequenzspulen für Magnetresonanz |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9511101D0 (en) * | 1995-06-01 | 1995-07-26 | British Tech Group | Magnetic coil |
DE19535257A1 (de) * | 1995-09-22 | 1997-03-27 | Philips Patentverwaltung | MR-Anordnung zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung |
US5998999A (en) * | 1996-12-12 | 1999-12-07 | Picker International, Inc. | Volume RF coils with integrated high resolution focus coils for magnetic resonance imaging |
US6169401B1 (en) | 1998-11-25 | 2001-01-02 | Picker International, Inc. | Flexible open quadrature highpass ladder structure RF surface coil in magnetic resonance imaging |
US6313633B1 (en) * | 1999-12-27 | 2001-11-06 | General Electric Company | Magnetic resonance imaging head coil |
DE10109489B4 (de) * | 2000-03-31 | 2009-03-05 | RAPID Biomedizinische Geräte RAPID Biomedical GmbH | Spinresonanzmeßgerät mit einem statischen Magnetfeld |
US6946836B2 (en) * | 2000-04-25 | 2005-09-20 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging involving movement of patient's couch |
AU783991B2 (en) * | 2000-09-11 | 2006-01-12 | Nmr Holdings No. 2 Pty Limited | Asymmetric radio frequency coils for magnetic resonance |
US8022705B2 (en) | 2006-03-09 | 2011-09-20 | Insight Neuroimaging Systems, Llc | Microstrip coil designs for MRI devices |
JP4879811B2 (ja) * | 2007-04-23 | 2012-02-22 | 株式会社日立製作所 | コイル装置及びそれを用いた磁気共鳴検査装置 |
KR102277899B1 (ko) | 2014-08-11 | 2021-07-15 | 삼성전자주식회사 | Rf 코일부 및 이를 포함하는 자기공명영상 시스템 |
BR112021016350B1 (pt) | 2019-02-22 | 2023-12-26 | Promaxo, Inc | Bobina para aparelho de ressonância magnética unilateral com ajuste variável e método para operar uma bobina para uso em um aparelho de ressonância magnética nuclear ou de ressonância magnética fundamentos |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4817612A (en) * | 1983-08-14 | 1989-04-04 | University Of Florida | Cross-coupled double loop receiver coil for NMR imaging of cardiac and thoraco-abdominal regions of the human body |
US4694255A (en) * | 1983-11-04 | 1987-09-15 | General Electric Company | Radio frequency field coil for NMR |
US4692705A (en) * | 1983-12-23 | 1987-09-08 | General Electric Company | Radio frequency field coil for NMR |
US4680548A (en) * | 1984-10-09 | 1987-07-14 | General Electric Company | Radio frequency field coil for NMR |
US5144240A (en) * | 1985-08-14 | 1992-09-01 | Picker International, Inc. | Nmr spectroscopy and imaging coil |
NL8502273A (nl) * | 1985-08-19 | 1987-03-16 | Philips Nv | Magnetisch resonantie apparaat met bird cage r.f. spoel. |
US4820985A (en) * | 1988-04-06 | 1989-04-11 | General Electric Company | Apparatus for tuning an NMR field coil |
NL8802609A (nl) * | 1988-10-24 | 1990-05-16 | Philips Nv | Magnetisch resonantie apparaat met geoptimaliseerd detectieveld. |
US4992736A (en) * | 1989-08-04 | 1991-02-12 | General Electric Company | Radio frequency receiver for a NMR instrument |
US4952877A (en) * | 1989-08-11 | 1990-08-28 | General Electric Company | RF synthesizer or an NMR instrument |
US5196797A (en) * | 1990-10-31 | 1993-03-23 | Toshiba America Mri, Inc. | Method of correcting an asymmetry in an NMR radio frequency coil and an improved radio frequency coil having N-fold symmetry and reduced eddy current |
DE4035844A1 (de) * | 1990-11-10 | 1992-05-14 | Philips Patentverwaltung | Quadraturspulenanordnung |
DE69221835T2 (de) * | 1991-12-11 | 1998-03-05 | Philips Electronics Nv | Magnetresonanzgerät mit einer Vogelkäfig-RF-Spule |
-
1992
- 1992-05-22 US US07/887,634 patent/US5309104A/en not_active Expired - Lifetime
-
1993
- 1993-05-11 IL IL10566493A patent/IL105664A/en not_active IP Right Cessation
- 1993-05-20 JP JP11751193A patent/JP3340791B2/ja not_active Expired - Fee Related
- 1993-05-20 DE DE69317327T patent/DE69317327T2/de not_active Expired - Fee Related
- 1993-05-20 EP EP93303931A patent/EP0571211B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10143614B4 (de) * | 2000-09-11 | 2013-02-21 | Nmr Holdings No. 2 Pty Limited | Asymmetrische Hochfrequenzspulen für Magnetresonanz |
Also Published As
Publication number | Publication date |
---|---|
DE69317327D1 (de) | 1998-04-16 |
EP0571211B1 (de) | 1998-03-11 |
JPH0654822A (ja) | 1994-03-01 |
US5309104A (en) | 1994-05-03 |
IL105664A0 (en) | 1993-09-22 |
JP3340791B2 (ja) | 2002-11-05 |
IL105664A (en) | 1995-03-15 |
EP0571211A1 (de) | 1993-11-24 |
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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 |