ATE304714T1 - System zur aktiven kompensation von magnetfeldstörungen in der kernspintomographie - Google Patents

System zur aktiven kompensation von magnetfeldstörungen in der kernspintomographie

Info

Publication number
ATE304714T1
ATE304714T1 AT98830463T AT98830463T ATE304714T1 AT E304714 T1 ATE304714 T1 AT E304714T1 AT 98830463 T AT98830463 T AT 98830463T AT 98830463 T AT98830463 T AT 98830463T AT E304714 T1 ATE304714 T1 AT E304714T1
Authority
AT
Austria
Prior art keywords
magnetic field
nuclear spin
bnoise
icorr
active compensation
Prior art date
Application number
AT98830463T
Other languages
English (en)
Inventor
Leonardo Diaferia
Original Assignee
Itel Telecomunicazioni S R L
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Itel Telecomunicazioni S R L filed Critical Itel Telecomunicazioni S R L
Application granted granted Critical
Publication of ATE304714T1 publication Critical patent/ATE304714T1/de

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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT98830463T 1997-08-01 1998-07-30 System zur aktiven kompensation von magnetfeldstörungen in der kernspintomographie ATE304714T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97RM000486A IT1294226B1 (it) 1997-08-01 1997-08-01 Sistema attivo per la compensazione di campi magnetici di disturbo particolarmente adatti per l'uso su tomografi per risonanza magnetica

Publications (1)

Publication Number Publication Date
ATE304714T1 true ATE304714T1 (de) 2005-09-15

Family

ID=11405211

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98830463T ATE304714T1 (de) 1997-08-01 1998-07-30 System zur aktiven kompensation von magnetfeldstörungen in der kernspintomographie

Country Status (5)

Country Link
EP (1) EP0899576B1 (de)
AT (1) ATE304714T1 (de)
DE (1) DE69831538T2 (de)
ES (1) ES2251066T3 (de)
IT (1) IT1294226B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITSV20020014A1 (it) * 2002-04-09 2003-10-09 Esaote Spa Metodo e dispositivo per la compensazione di campi magnetici di disturbo in volumi di spazio e macchina per il rilevamento di immagini in ri
US8488292B2 (en) 2008-04-23 2013-07-16 Gsi Helmholtzzentrum Fuer Schwerionenforschung Gmbh Magnetic field generating means
DE102008020445A1 (de) * 2008-04-23 2009-10-29 Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh Magnetfelderzeugungsvorrichtung
GB2523762A (en) * 2014-03-04 2015-09-09 Siemens Plc Active compensation of magnetic field generated by a recondensing refrigerator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245035A (ja) * 1988-08-05 1990-02-15 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH03151936A (ja) * 1989-11-08 1991-06-28 Shiimensu Asahi Medeitetsuku Kk 核磁気共鳴診断装置
US5214383A (en) * 1990-10-29 1993-05-25 Resonex, Inc. MRI apparatus with external magnetic field compensation
DE4101481C2 (de) * 1991-01-19 1994-01-13 Bruker Analytische Messtechnik Anordnung zum Kompensieren externer Magnetfeldstörungen bei einem Kernresonanzspektrometer mit supraleitender Magnetspule
JP3337712B2 (ja) * 1992-04-24 2002-10-21 株式会社日立メディコ 磁気共鳴イメージング装置
JPH06181903A (ja) * 1992-12-22 1994-07-05 Hitachi Medical Corp 磁気共鳴イメージング装置
DE19510142A1 (de) * 1995-03-21 1996-09-26 Siemens Ag Magnetresonanzgerät mit einer Kompensationseinrichtung für externe magnetische Störfelder

Also Published As

Publication number Publication date
ES2251066T3 (es) 2006-04-16
EP0899576A1 (de) 1999-03-03
DE69831538D1 (de) 2005-10-20
EP0899576B1 (de) 2005-09-14
ITRM970486A1 (it) 1999-02-01
IT1294226B1 (it) 1999-03-24
DE69831538T2 (de) 2006-06-22

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties