DE3907927C2 - - Google Patents
Info
- Publication number
 - DE3907927C2 DE3907927C2 DE3907927A DE3907927A DE3907927C2 DE 3907927 C2 DE3907927 C2 DE 3907927C2 DE 3907927 A DE3907927 A DE 3907927A DE 3907927 A DE3907927 A DE 3907927A DE 3907927 C2 DE3907927 C2 DE 3907927C2
 - Authority
 - DE
 - Germany
 - Prior art keywords
 - magnet system
 - field coils
 - coils
 - magnetic field
 - axial distance
 - 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
 - 229910052742 iron Inorganic materials 0.000 claims description 14
 - 230000003068 static effect Effects 0.000 claims description 6
 - 230000004907 flux Effects 0.000 claims description 2
 - 238000004804 winding Methods 0.000 description 48
 - 238000013461 design Methods 0.000 description 6
 - 239000007788 liquid Substances 0.000 description 6
 - IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
 - 238000011835 investigation Methods 0.000 description 3
 - 238000003325 tomography Methods 0.000 description 3
 - 230000000694 effects Effects 0.000 description 2
 - 239000001307 helium Substances 0.000 description 2
 - 229910052734 helium Inorganic materials 0.000 description 2
 - SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
 - 229910052757 nitrogen Inorganic materials 0.000 description 2
 - 206010009244 Claustrophobia Diseases 0.000 description 1
 - RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
 - 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
 - 240000002834 Paulownia tomentosa Species 0.000 description 1
 - XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
 - 229910052782 aluminium Inorganic materials 0.000 description 1
 - 230000000712 assembly Effects 0.000 description 1
 - 238000000429 assembly Methods 0.000 description 1
 - 230000005540 biological transmission Effects 0.000 description 1
 - 238000004891 communication Methods 0.000 description 1
 - 230000000052 comparative effect Effects 0.000 description 1
 - 239000000498 cooling water Substances 0.000 description 1
 - 229910052802 copper Inorganic materials 0.000 description 1
 - 239000010949 copper Substances 0.000 description 1
 - 230000003247 decreasing effect Effects 0.000 description 1
 - 238000011161 development Methods 0.000 description 1
 - 238000003745 diagnosis Methods 0.000 description 1
 - 230000005611 electricity Effects 0.000 description 1
 - 210000003608 fece Anatomy 0.000 description 1
 - 239000000945 filler Substances 0.000 description 1
 - 238000003384 imaging method Methods 0.000 description 1
 - 230000006698 induction Effects 0.000 description 1
 - 230000003993 interaction Effects 0.000 description 1
 - 150000002505 iron Chemical class 0.000 description 1
 - 238000003475 lamination Methods 0.000 description 1
 - 238000012423 maintenance Methods 0.000 description 1
 - 238000004519 manufacturing process Methods 0.000 description 1
 - 238000012986 modification Methods 0.000 description 1
 - 230000004048 modification Effects 0.000 description 1
 - 238000012544 monitoring process Methods 0.000 description 1
 - 238000012856 packing Methods 0.000 description 1
 - 208000019899 phobic disease Diseases 0.000 description 1
 - 108090000623 proteins and genes Proteins 0.000 description 1
 - 230000005855 radiation Effects 0.000 description 1
 - 230000035945 sensitivity Effects 0.000 description 1
 - 229910001220 stainless steel Inorganic materials 0.000 description 1
 - 239000010935 stainless steel Substances 0.000 description 1
 - 239000002887 superconductor Substances 0.000 description 1
 - 238000002560 therapeutic procedure Methods 0.000 description 1
 - 210000001835 viscera Anatomy 0.000 description 1
 
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
 - G01R33/42—Screening
 - G01R33/421—Screening of main or gradient magnetic field
 
 - 
        
- 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
 - G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
 - G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
 
 
Landscapes
- Physics & Mathematics (AREA)
 - Condensed Matter Physics & Semiconductors (AREA)
 - General Physics & Mathematics (AREA)
 - Health & Medical Sciences (AREA)
 - Epidemiology (AREA)
 - Magnetic Resonance Imaging Apparatus (AREA)
 
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE3907927A DE3907927A1 (de) | 1989-03-11 | 1989-03-11 | Magnetsystem | 
| PCT/DE1990/000171 WO1990010877A1 (de) | 1989-03-11 | 1990-03-08 | Magnetsystem | 
| JP2504108A JP2888452B2 (ja) | 1989-03-11 | 1990-03-08 | 磁石装置 | 
| DE90903788T DE59003260D1 (de) | 1989-03-11 | 1990-03-08 | Magnetsystem. | 
| US07/761,736 US5168211A (en) | 1989-03-11 | 1990-03-08 | Magnet system | 
| EP90903788A EP0462131B1 (de) | 1989-03-11 | 1990-03-08 | Magnetsystem | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE3907927A DE3907927A1 (de) | 1989-03-11 | 1989-03-11 | Magnetsystem | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| DE3907927A1 DE3907927A1 (de) | 1990-09-20 | 
| DE3907927C2 true DE3907927C2 (forum.php) | 1993-06-09 | 
Family
ID=6376100
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE3907927A Granted DE3907927A1 (de) | 1989-03-11 | 1989-03-11 | Magnetsystem | 
| DE90903788T Expired - Fee Related DE59003260D1 (de) | 1989-03-11 | 1990-03-08 | Magnetsystem. | 
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE90903788T Expired - Fee Related DE59003260D1 (de) | 1989-03-11 | 1990-03-08 | Magnetsystem. | 
Country Status (5)
| Country | Link | 
|---|---|
| US (1) | US5168211A (forum.php) | 
| EP (1) | EP0462131B1 (forum.php) | 
| JP (1) | JP2888452B2 (forum.php) | 
| DE (2) | DE3907927A1 (forum.php) | 
| WO (1) | WO1990010877A1 (forum.php) | 
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPH03139328A (ja) * | 1989-10-25 | 1991-06-13 | Toshiba Corp | Mri装置用超電導マグネット | 
| JPH04240440A (ja) * | 1991-01-23 | 1992-08-27 | Toshiba Corp | Mri装置用マグネット | 
| DE4230145C2 (de) * | 1992-09-09 | 1996-09-05 | Bruker Analytische Messtechnik | NMR-Meßeinrichtung | 
| DE4324021C2 (de) * | 1993-07-17 | 1996-05-30 | Bruker Analytische Messtechnik | Therapietomograph | 
| US5410287A (en) * | 1994-04-05 | 1995-04-25 | General Electric Company | Open MRI magnet with uniform magnetic field | 
| DE4412755C2 (de) * | 1994-04-13 | 1996-09-05 | Bruker Analytische Messtechnik | Magnetsystem für die NMR-Tomographie | 
| US5463364A (en) * | 1994-04-13 | 1995-10-31 | Bruker Analytische Messtechnik Gmbh | Magnet system for NMR tomography | 
| DE4416907C1 (de) * | 1994-05-13 | 1995-09-07 | Bruker Analytische Messtechnik | Therapietomograph mit Homogenisierungseinrichtung | 
| DE19525322C1 (de) * | 1995-07-12 | 1997-02-06 | Bruker Analytische Messtechnik | Therapietomograph mit Homogenisierungseinrichtung | 
| US5635839A (en) * | 1994-11-04 | 1997-06-03 | Picker International, Inc. | High order passive shimming assembly for MRI magnets | 
| GB2295673B (en) * | 1994-11-29 | 1999-04-28 | Oxford Magnet Tech | Improvements in or relating to cryogenic mri magnets | 
| US5666054A (en) * | 1994-12-21 | 1997-09-09 | Bruker Analytische Messtechnik Gmbh | Gradient coils for therapy tomographs | 
| GB2307046B (en) * | 1995-11-09 | 2000-04-12 | Elscint Ltd | Single former active shield magnets | 
| US5708362A (en) * | 1995-11-16 | 1998-01-13 | Siemens Aktiengesellschaft | Magnet arrangement for a diagnostic magnetic resonance apparatus | 
| JP3731231B2 (ja) * | 1995-11-30 | 2006-01-05 | 株式会社日立メディコ | 超電導磁石装置 | 
| US5818319A (en) * | 1995-12-21 | 1998-10-06 | The University Of Queensland | Magnets for magnetic resonance systems | 
| DE19548272C1 (de) * | 1995-12-22 | 1997-05-28 | Bruker Analytische Messtechnik | Supraleitende NMR-Magnetanordnung | 
| JPH09190913A (ja) * | 1996-01-10 | 1997-07-22 | Hitachi Medical Corp | 超電導磁石装置及びそれを用いた磁気共鳴イメージング装置 | 
| JP3585141B2 (ja) * | 1996-04-05 | 2004-11-04 | 株式会社日立メディコ | 超電導磁石装置 | 
| JP3699789B2 (ja) * | 1996-09-20 | 2005-09-28 | 株式会社日立製作所 | 超電導磁石装置 | 
| JPH10135027A (ja) * | 1996-10-30 | 1998-05-22 | Hitachi Medical Corp | 超電導磁石装置 | 
| DE19732784C1 (de) * | 1997-07-30 | 1999-03-04 | Bruker Medizintech | Positioniersystem und Verfahren zur exakten Positionsbestimmung eines manuell geführten Manipulators in einem MR-Tomographen | 
| DE19732783C1 (de) * | 1997-07-30 | 1999-03-04 | Bruker Medizintech | HF-Spulensystem für eine MR-Meßeinrichtung | 
| US6493426B2 (en) * | 1997-09-08 | 2002-12-10 | Ultratec, Inc. | Relay for personal interpreter | 
| US5883558A (en) * | 1998-02-19 | 1999-03-16 | General Electric Company | Open superconductive magnet having shielding | 
| EP1051636A1 (en) * | 1998-11-27 | 2000-11-15 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging system | 
| JP2000247946A (ja) | 1999-02-26 | 2000-09-12 | Fuji Photo Film Co Ltd | グアニジン化合物および感熱記録材料 | 
| US6201462B1 (en) * | 1999-11-09 | 2001-03-13 | General Electric Company | Open superconductive magnet having a cryocooler coldhead | 
| US6150912A (en) * | 1999-11-15 | 2000-11-21 | General Electric Company | Open architecture superconducting magnet helium vessel structure | 
| JP4567903B2 (ja) * | 2001-03-22 | 2010-10-27 | 東京電力株式会社 | 超電導コイル装置 | 
| JP2003130937A (ja) * | 2001-10-24 | 2003-05-08 | Hitachi Ltd | 溶液用核磁気共鳴分析装置 | 
| US20040041565A1 (en) * | 2002-05-08 | 2004-03-04 | Shigeru Kakugawa | NMR magnet device for solution analysis and NMR apparatus | 
| JP2003329756A (ja) * | 2002-05-08 | 2003-11-19 | Hitachi Ltd | 超高感度核磁気共鳴イメージング装置 | 
| JP3879584B2 (ja) | 2002-05-08 | 2007-02-14 | 株式会社日立製作所 | Nmr分析装置 | 
| US6822451B2 (en) * | 2002-07-31 | 2004-11-23 | Ge Medical Systems Global Technology Company Llc | Non-coupling magnetic sheilding coil | 
| US7242191B2 (en) * | 2002-11-25 | 2007-07-10 | General Electric Company | Cold mass support structure and helium vessel of actively shielded high field open MRI magnets | 
| JP4030910B2 (ja) | 2003-04-03 | 2008-01-09 | 株式会社日立製作所 | Nmr分析装置用マグネットおよびそれを用いたnmr分析装置 | 
| GB2422905B (en) * | 2005-02-04 | 2007-02-14 | Siemens Magnet Technology Ltd | Material for electrical isolation and vibro-acoustic performance | 
| JP3990410B2 (ja) * | 2005-05-23 | 2007-10-10 | 株式会社日立メディコ | 超電導磁石及び磁気共鳴イメージング装置 | 
| DE502005005693D1 (de) * | 2005-07-08 | 2008-11-27 | Bruker Biospin Gmbh | Unterkühlte Horizontalkryostatanordnung | 
| JP4705528B2 (ja) * | 2006-01-05 | 2011-06-22 | 株式会社日立製作所 | 超伝導磁石装置および磁気共鳴イメージング装置 | 
| JP2007114209A (ja) * | 2006-12-07 | 2007-05-10 | Hitachi Ltd | 溶液用核磁気共鳴分析装置 | 
| JP2007090089A (ja) * | 2006-12-07 | 2007-04-12 | Hitachi Ltd | 超高感度核磁気共鳴イメージング装置 | 
| DE102008053845B4 (de) * | 2008-10-30 | 2011-01-20 | Siemens Aktiengesellschaft | Profilrahmenstruktur für eine Magnetresonanzeinrichtung | 
| JP2015123161A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社神戸製鋼所 | 超電導マグネット装置 | 
| US10894174B2 (en) | 2015-12-02 | 2021-01-19 | Koninklijke Philips N.V. | Rotatable magnet for proton therapy | 
| DE102018109505A1 (de) * | 2018-04-20 | 2019-10-24 | Stl Systems Ag | Polyederförmige Spulensysteme mit großem Homogenitätsvolumen und großem Zugangsbereich | 
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| FR2475281A1 (fr) * | 1980-02-05 | 1981-08-07 | Radiologie Cie Gle | Aimant sans circuit magnetique, a haute homogeneite, notamment pour imagerie par resonance magnetique nucleaire | 
| DE3123493A1 (de) * | 1981-06-13 | 1982-12-30 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Elektromagnet fuer die nmr-tomographie | 
| DE3245944A1 (de) * | 1982-12-11 | 1984-06-14 | Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten | Elektromagnet fuer die nmr-tomographie | 
| DE3333755A1 (de) * | 1983-09-19 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Magneteinrichtung einer anlage der kernspin-tomographie mit einer abschirmvorrichtung | 
| JPS60229311A (ja) * | 1984-04-26 | 1985-11-14 | Yokogawa Hokushin Electric Corp | 磁場発生用コイル | 
| GB8410972D0 (en) * | 1984-04-30 | 1984-06-06 | Oxford Magnet Tech | Magnet assembly | 
| US4721914A (en) * | 1984-05-01 | 1988-01-26 | The United States Of America As Represented By The United States Department Of Energy | Apparatus for unilateral generation of a homogeneous magnetic field | 
| JPS61115958U (forum.php) * | 1984-12-30 | 1986-07-22 | ||
| GB8500248D0 (en) * | 1985-01-04 | 1985-02-13 | Oxford Magnet Tech | Solenoids | 
| GB8530295D0 (en) * | 1985-12-09 | 1986-01-22 | Picker Int Ltd | Electromagnet arrangements | 
| JPS6458247A (en) * | 1987-08-29 | 1989-03-06 | Fuji Electric Co Ltd | Uniform magnetic field coil | 
| US4829252A (en) * | 1987-10-28 | 1989-05-09 | The Regents Of The University Of California | MRI system with open access to patient image volume | 
- 
        1989
        
- 1989-03-11 DE DE3907927A patent/DE3907927A1/de active Granted
 
 - 
        1990
        
- 1990-03-08 DE DE90903788T patent/DE59003260D1/de not_active Expired - Fee Related
 - 1990-03-08 WO PCT/DE1990/000171 patent/WO1990010877A1/de active IP Right Grant
 - 1990-03-08 JP JP2504108A patent/JP2888452B2/ja not_active Expired - Fee Related
 - 1990-03-08 US US07/761,736 patent/US5168211A/en not_active Expired - Lifetime
 - 1990-03-08 EP EP90903788A patent/EP0462131B1/de not_active Expired - Lifetime
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| JP2888452B2 (ja) | 1999-05-10 | 
| EP0462131B1 (de) | 1993-10-27 | 
| DE59003260D1 (de) | 1993-12-02 | 
| US5168211A (en) | 1992-12-01 | 
| EP0462131A1 (de) | 1991-12-27 | 
| JPH04504067A (ja) | 1992-07-23 | 
| WO1990010877A1 (de) | 1990-09-20 | 
| DE3907927A1 (de) | 1990-09-20 | 
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| DE3852957T2 (de) | Magnetischer zusammenbau. | 
Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |