JP2009034356A5 - - Google Patents

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JP2009034356A5
JP2009034356A5 JP2007201396A JP2007201396A JP2009034356A5 JP 2009034356 A5 JP2009034356 A5 JP 2009034356A5 JP 2007201396 A JP2007201396 A JP 2007201396A JP 2007201396 A JP2007201396 A JP 2007201396A JP 2009034356 A5 JP2009034356 A5 JP 2009034356A5
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JP
Japan
Prior art keywords
field generating
magnetic field
generating means
current
resonance imaging
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JP2007201396A
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Japanese (ja)
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JP5100242B2 (en
JP2009034356A (en
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Claims (2)

静磁場発生手段と、傾斜磁場発生手段と、前記傾斜磁場発生手段の電流を制御する制御手段と、を備えた磁気共鳴イメージング装置において、
前記制御手段は、撮像の前後において前記静磁場発生手段の温度変化が一方方向となるように、非撮像中の少なくとも一部の期間に前記傾斜磁場発生手段に電流を流すことを特徴とする磁気共鳴イメージング装置。 In a magnetic resonance imaging apparatus comprising a static magnetic field generating means, a gradient magnetic field generating means, and a control means for controlling a current of the gradient magnetic field generating means,
The control means applies a current to the gradient magnetic field generating means during at least a part of the time during non-imaging so that the temperature change of the static magnetic field generating means is one direction before and after imaging. Resonance imaging device. 請求項１記載の磁気共鳴イメージング装置において、The magnetic resonance imaging apparatus according to claim 1.
前記電流は、所定の周期で時間的に変化する電流であることを特徴とする磁気共鳴イメージング装置。The magnetic resonance imaging apparatus according to claim 1, wherein the current is a current that changes with time in a predetermined cycle.
JP2007201396A 2007-08-02 2007-08-02 Magnetic resonance imaging system Active JP5100242B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007201396A JP5100242B2 (en) 2007-08-02 2007-08-02 Magnetic resonance imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007201396A JP5100242B2 (en) 2007-08-02 2007-08-02 Magnetic resonance imaging system

Publications (3)

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JP2009034356A JP2009034356A (en) 2009-02-19
JP2009034356A5 true JP2009034356A5 (en) 2010-09-16
JP5100242B2 JP5100242B2 (en) 2012-12-19

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JP2007201396A Active JP5100242B2 (en) 2007-08-02 2007-08-02 Magnetic resonance imaging system

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0698871A (en) * 1992-09-18 1994-04-12 Hitachi Medical Corp Magnetic resonance imaging apparatus
JP3858191B2 (en) * 2000-10-31 2006-12-13 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー MRI equipment

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