IL99076A - Radio frequency resonator for magnetic nuclear resonance - Google Patents
Radio frequency resonator for magnetic nuclear resonanceInfo
- Publication number
- IL99076A IL99076A IL9907691A IL9907691A IL99076A IL 99076 A IL99076 A IL 99076A IL 9907691 A IL9907691 A IL 9907691A IL 9907691 A IL9907691 A IL 9907691A IL 99076 A IL99076 A IL 99076A
- Authority
- IL
- Israel
- Prior art keywords
- resonator
- current paths
- ring
- frequency
- capacitors
- Prior art date
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
- G01R33/3628—Tuning/matching of the transmit/receive coil
- G01R33/3635—Multi-frequency operation
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/561,898 US5194811A (en) | 1990-08-02 | 1990-08-02 | Radio frequency volume resonator for nuclear magnetic resonance |
Publications (2)
Publication Number | Publication Date |
---|---|
IL99076A0 IL99076A0 (en) | 1992-07-15 |
IL99076A true IL99076A (en) | 1996-06-18 |
Family
ID=24243962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL9907691A IL99076A (en) | 1990-08-02 | 1991-08-04 | Radio frequency resonator for magnetic nuclear resonance |
Country Status (6)
Country | Link |
---|---|
US (1) | US5194811A (de) |
EP (1) | EP0541696A4 (de) |
JP (1) | JPH06500631A (de) |
CA (1) | CA2088595A1 (de) |
IL (1) | IL99076A (de) |
WO (1) | WO1992002835A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB9511101D0 (en) * | 1995-06-01 | 1995-07-26 | British Tech Group | Magnetic coil |
US5680047A (en) * | 1995-08-11 | 1997-10-21 | Picker International, Inc. | Multipl-tuned radio frequency coil for simultaneous magnetic resonance imaging and spectroscopy |
US6150816A (en) * | 1997-02-25 | 2000-11-21 | Advanced Imaging Research, Inc. | Radio-frequency coil array for resonance analysis |
US6404199B1 (en) * | 1998-11-25 | 2002-06-11 | Philips Medical Systems (Cleveland), Inc. | Quadrature RF coil for vertical field MRI systems |
US6100694A (en) * | 1999-02-24 | 2000-08-08 | Varian, Inc. | Multiple-tuned bird cage coils |
US6850064B1 (en) * | 1999-11-24 | 2005-02-01 | Advanced Imaging Research, Inc. | Radio-frequency coil array for resonance imaging analysis |
US6871086B2 (en) * | 2001-02-15 | 2005-03-22 | Robin Medical Inc. | Endoscopic examining apparatus particularly useful in MRI, a probe useful in such apparatus, and a method of making such probe |
US6788058B1 (en) | 2001-03-08 | 2004-09-07 | General Electric Company | Asymmetric ring dome radio frequency coil |
US7123012B2 (en) * | 2002-11-29 | 2006-10-17 | Advanced Imaging Research, Inc. | Multiple tuned radio frequency coil for resonance imaging and spectroscopic analysis |
DE10316557B4 (de) * | 2003-04-10 | 2007-12-27 | Siemens Ag | Antennenelement für Magnetresonanzanwendungen und Antennenanordnung mit mehreren derartigen Antennenelementen |
WO2005020793A2 (en) * | 2003-08-21 | 2005-03-10 | Insight Neuroimaging Systems, Llc | Microstrip coil design for mri apparatus |
US7688070B2 (en) * | 2003-11-18 | 2010-03-30 | General Electric Company | Elevated endring birdcage antenna for MRI applications |
DE102004053777B4 (de) * | 2003-11-19 | 2010-09-02 | Siemens Ag | Verfahren zum Bestimmen eines Einstellparameters einer Hochfrequenzsendeanordnung für eine Magnetresonanzanlage |
US7119541B2 (en) * | 2004-03-03 | 2006-10-10 | Xlr Imaging Inc. | Multiply-tuned volume resonator for magnetic resonance imaging and spectroscopy |
US7227360B2 (en) * | 2005-01-14 | 2007-06-05 | Invivo Corporation | Phased array MRI coil with controllable coupled ring resonator |
EP1859292A1 (de) * | 2005-03-10 | 2007-11-28 | Koninklijke Philips Electronics N.V. | Ultrakurze mri-körperspule |
US7427861B2 (en) * | 2005-04-11 | 2008-09-23 | Insight Neuroimaging Systems, Llc | Dual-tuned microstrip resonator volume coil |
US7642781B2 (en) * | 2005-04-15 | 2010-01-05 | Cornell Research Foundation, Inc. | High-pass two-dimensional ladder network resonator |
DE102005039686B3 (de) * | 2005-08-22 | 2007-05-10 | Siemens Ag | Magnetresonanzbildgebungsverfahren für die Erzeugung homogener MR-Bilder und Magnetresonanztomograph sowie CP-Spulen zur Anwendung dieses Verfahrens |
WO2008021767A1 (en) * | 2006-08-08 | 2008-02-21 | Shell Oil Company | Method for improving the precision of time domain low field h-nmr analysis |
CN201035129Y (zh) * | 2007-04-30 | 2008-03-12 | 西门子(中国)有限公司 | 一种应用于磁共振成像装置的体线圈 |
US8598877B2 (en) * | 2009-12-14 | 2013-12-03 | General Electric Company | System and method for coil disabling in magnetic resonance imaging |
WO2011101767A1 (en) | 2010-02-22 | 2011-08-25 | Koninklijke Philips Electronics N.V. | Rf antenna arrangement and method for multi nuclei mr image reconstruction involving parallel mri |
DE102011006157B4 (de) | 2011-03-25 | 2016-06-16 | Bruker Biospin Ag | Doppelt abgestimmter HF-Resonator |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4646024A (en) * | 1983-11-02 | 1987-02-24 | General Electric Company | Transverse gradient field coils for nuclear magnetic resonance imaging |
US4694255A (en) * | 1983-11-04 | 1987-09-15 | 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 |
NL8502273A (nl) * | 1985-08-19 | 1987-03-16 | Philips Nv | Magnetisch resonantie apparaat met bird cage r.f. spoel. |
US4740752A (en) * | 1986-08-06 | 1988-04-26 | The Regents Of The University Of California | Non-overlapping qd MRI RF coil |
JPS63293387A (ja) * | 1987-05-25 | 1988-11-30 | 株式会社 大金製作所 | エア回転継手のシ−ル装置 |
US4825163A (en) * | 1987-07-31 | 1989-04-25 | Hitachi, Ltd. | Quadrature probe for nuclear magnetic resonance |
US4783641A (en) * | 1987-08-13 | 1988-11-08 | General Electric Company | NMR radio frequecny field coil with distributed current |
EP0303880B1 (de) * | 1987-08-14 | 1991-11-06 | Siemens Aktiengesellschaft | Elektrischer Magnet für Kernspin-Thomographen |
DE3816831A1 (de) * | 1988-05-18 | 1989-11-30 | Philips Patentverwaltung | Kernspinuntersuchungsgeraet mit einer hochfrequenzspulenanordnung |
JPH01299542A (ja) * | 1988-05-27 | 1989-12-04 | Hitachi Ltd | 核磁気共鳴を用いた検査装置 |
US4885539A (en) * | 1988-06-06 | 1989-12-05 | General Electric Company | Volume NMR coil for optimum signal-to-noise ratio |
DE3839046A1 (de) * | 1988-11-18 | 1990-05-23 | Bruker Medizintech | Probenkopf fuer die nmr-tomographie |
US4887039A (en) * | 1988-12-22 | 1989-12-12 | General Electric Company | Method for providing multiple coaxial cable connections to a radio-frequency antenna without baluns |
US4879515A (en) * | 1988-12-22 | 1989-11-07 | General Electric Company | Double-sided RF shield for RF coil contained within gradient coils of NMR imaging device |
US4956608A (en) * | 1989-05-01 | 1990-09-11 | General Electric Company | Apparatus for propagating a quench in a superconducting magnet |
US5041790A (en) * | 1990-01-16 | 1991-08-20 | Toshiba America Mri, Inc. | Dual-tuned RF coil for MRI spectroscopy |
US5053711A (en) * | 1990-01-19 | 1991-10-01 | General Electric Company | Nmr radio frequency coil with improved axial field homogeneity |
-
1990
- 1990-08-02 US US07/561,898 patent/US5194811A/en not_active Expired - Fee Related
-
1991
- 1991-07-31 CA CA002088595A patent/CA2088595A1/en not_active Abandoned
- 1991-07-31 EP EP19910915052 patent/EP0541696A4/en not_active Withdrawn
- 1991-07-31 JP JP3514491A patent/JPH06500631A/ja active Pending
- 1991-07-31 WO PCT/US1991/005437 patent/WO1992002835A1/en not_active Application Discontinuation
- 1991-08-04 IL IL9907691A patent/IL99076A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0541696A1 (de) | 1993-05-19 |
WO1992002835A1 (en) | 1992-02-20 |
US5194811A (en) | 1993-03-16 |
JPH06500631A (ja) | 1994-01-20 |
CA2088595A1 (en) | 1992-02-03 |
EP0541696A4 (en) | 1993-12-15 |
IL99076A0 (en) | 1992-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
RH | Patent void |