DE3484160D1 - Magnetisches kernresonanzgeraet. - Google Patents
Magnetisches kernresonanzgeraet.Info
- Publication number
- DE3484160D1 DE3484160D1 DE8484305232T DE3484160T DE3484160D1 DE 3484160 D1 DE3484160 D1 DE 3484160D1 DE 8484305232 T DE8484305232 T DE 8484305232T DE 3484160 T DE3484160 T DE 3484160T DE 3484160 D1 DE3484160 D1 DE 3484160D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic core
- resonance device
- core resonance
- magnetic
- resonance
- 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
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- 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
- G01R33/34069—Saddle 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
- G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
-
- 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
- G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838321770A GB8321770D0 (en) | 1983-08-12 | 1983-08-12 | Nuclear magnetic resonance apparatus |
GB838321769A GB8321769D0 (en) | 1983-08-12 | 1983-08-12 | Nuclear magnetic resonance apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3484160D1 true DE3484160D1 (de) | 1991-04-04 |
Family
ID=26286760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484305232T Expired - Lifetime DE3484160D1 (de) | 1983-08-12 | 1984-08-01 | Magnetisches kernresonanzgeraet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5177443A (de) |
EP (1) | EP0135326B1 (de) |
DE (1) | DE3484160D1 (de) |
GB (1) | GB2145230B (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5274332A (en) * | 1983-11-14 | 1993-12-28 | General Electric Company | Inductively coupled multi-section radio frequency field coil for NMR |
EP0191180B1 (de) * | 1984-12-28 | 1990-03-21 | Siemens Aktiengesellschaft | Gerät zur Bildgebung von gabelförmigen Körperregionen mittels magnetischer Resonanz |
US5045792A (en) * | 1985-08-14 | 1991-09-03 | Picker International, Inc. | Split and non-circular magnetic resonance probes with optimum field uniformity |
GB8615674D0 (en) * | 1986-06-26 | 1986-07-30 | Mansfield P | Electrical coils |
US4841249A (en) * | 1986-10-28 | 1989-06-20 | Siemens Aktiengesellschaft | Truncated cone shaped surface resonator for nuclear magnetic resonance tomography |
JPH0197443A (ja) * | 1987-10-12 | 1989-04-14 | Hitachi Ltd | Nmr用高周波コイル装置 |
GB8727611D0 (en) * | 1987-11-25 | 1987-12-31 | Gen Electric Co Plc | Coil arrangements for magnetic resonance apparatus |
US4897604A (en) * | 1989-02-21 | 1990-01-30 | The Regents Of The University Of California | Method and apparatus for selective adjustment of RF coil size for magnetic resonance imaging |
DE4221759C2 (de) * | 1991-10-11 | 1997-11-20 | Hitachi Medical Corp | Empfangsspulenvorrichtung für ein Kernspintomographiegerät |
US5542424A (en) * | 1993-03-25 | 1996-08-06 | Rochester Institute Of Technology | Resonator for magnetic resonance imaging |
US5457387A (en) * | 1993-07-06 | 1995-10-10 | Picker International, Inc. | Magnetic resonance imager with removable element RF coil |
US6028429A (en) * | 1996-07-17 | 2000-02-22 | Fonar Corporation | Composite MRI antenna with reduced stray capacitance |
US5939883A (en) * | 1996-07-17 | 1999-08-17 | Fonar Corporation | Magnetic resonance imaging excitation and reception methods and apparatus |
AU2003233602A1 (en) * | 2002-05-17 | 2003-12-02 | Mr Instruments, Inc. | A cavity resonator for mr systems |
NO20053093D0 (no) * | 2005-06-23 | 2005-06-23 | Radiumhospitalets Forskningsst | A device for MRI soleniod coils and method for adjusting same. |
US7659719B2 (en) * | 2005-11-25 | 2010-02-09 | Mr Instruments, Inc. | Cavity resonator for magnetic resonance systems |
DE102006050104B4 (de) * | 2006-10-24 | 2010-03-18 | Siemens Ag | MR-Kopfspule |
DE102015211719A1 (de) * | 2015-06-24 | 2016-12-29 | Siemens Healthcare Gmbh | Zusammenschiebbare MR-Spulenvorrichtung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439827A (en) * | 1946-03-12 | 1948-04-20 | Sterenbuch Nathan | Coil |
GB1580787A (en) * | 1976-04-14 | 1980-12-03 | Mansfield P | Nuclear magnetic resonance apparatus and methods |
GB2056086B (en) * | 1979-08-10 | 1983-08-03 | Emi Ltd | Imaging systems |
US4439733A (en) * | 1980-08-29 | 1984-03-27 | Technicare Corporation | Distributed phase RF coil |
EP0047065B1 (de) * | 1980-08-29 | 1986-10-01 | Technicare Corporation | Phasenverteilende RF-Spule |
US4398149A (en) * | 1981-02-02 | 1983-08-09 | Varian Associates, Inc. | NMR Probe coil system |
FI65365C (fi) * | 1982-07-07 | 1984-05-10 | Instrumentarium Oy | Spolanordning |
-
1984
- 1984-07-30 US US06/635,417 patent/US5177443A/en not_active Expired - Lifetime
- 1984-08-01 DE DE8484305232T patent/DE3484160D1/de not_active Expired - Lifetime
- 1984-08-01 GB GB08419566A patent/GB2145230B/en not_active Expired
- 1984-08-01 EP EP84305232A patent/EP0135326B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0135326A2 (de) | 1985-03-27 |
EP0135326B1 (de) | 1991-02-27 |
GB8419566D0 (en) | 1984-09-05 |
GB2145230A (en) | 1985-03-20 |
GB2145230B (en) | 1987-01-14 |
EP0135326A3 (en) | 1987-05-20 |
US5177443A (en) | 1993-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |