DE3856546D1 - Bilderzeugungssystem mittels magnetischer Resonanz - Google Patents

Bilderzeugungssystem mittels magnetischer Resonanz

Info

Publication number
DE3856546D1
DE3856546D1 DE3856546T DE3856546T DE3856546D1 DE 3856546 D1 DE3856546 D1 DE 3856546D1 DE 3856546 T DE3856546 T DE 3856546T DE 3856546 T DE3856546 T DE 3856546T DE 3856546 D1 DE3856546 D1 DE 3856546D1
Authority
DE
Germany
Prior art keywords
imaging system
magnetic resonance
resonance imaging
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
Application number
DE3856546T
Other languages
English (en)
Other versions
DE3856546T2 (de
Inventor
Shigehide Kuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3856546D1 publication Critical patent/DE3856546D1/de
Publication of DE3856546T2 publication Critical patent/DE3856546T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE3856546T 1987-09-30 1988-09-30 Bilderzeugungssystem mittels magnetischer Resonanz Expired - Lifetime DE3856546T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62244356A JP2642362B2 (ja) 1987-09-30 1987-09-30 磁気共鳴映像装置

Publications (2)

Publication Number Publication Date
DE3856546D1 true DE3856546D1 (de) 2003-01-02
DE3856546T2 DE3856546T2 (de) 2003-10-02

Family

ID=17117480

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3855944T Expired - Lifetime DE3855944T2 (de) 1987-09-30 1988-09-30 Kernresonanzabbildungssystem
DE3856546T Expired - Lifetime DE3856546T2 (de) 1987-09-30 1988-09-30 Bilderzeugungssystem mittels magnetischer Resonanz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3855944T Expired - Lifetime DE3855944T2 (de) 1987-09-30 1988-09-30 Kernresonanzabbildungssystem

Country Status (4)

Country Link
US (1) US4859946A (de)
EP (2) EP0783113B1 (de)
JP (1) JP2642362B2 (de)
DE (2) DE3855944T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2777155B2 (ja) * 1988-11-30 1998-07-16 株式会社東芝 磁気共鳴映像装置
JP2650371B2 (ja) * 1988-11-30 1997-09-03 株式会社島津製作所 Ｍｒイメージング装置
DE4035410C2 (de) * 1989-11-20 2000-03-16 Siemens Ag Pulssequenz nach dem Echoplanarverfahren
JPH04108427A (ja) * 1990-08-29 1992-04-09 Hitachi Ltd Ｍｒｉ部分領域超高速撮影方法及びこれにもとづく磁気共鳴診断装置
EP0577188B1 (de) * 1992-06-29 1999-09-01 Koninklijke Philips Electronics N.V. Verfahren und Gerät zur Kernresonanzabbildung
DE69326202T2 (de) * 1992-06-29 2000-04-13 Koninkl Philips Electronics Nv Verfahren und Gerät zur Kernresonanzabbildung
KR950002714A (ko) 1993-07-22 1995-02-16 모리시타 요이찌 카오스응용기기
DE4432575C2 (de) * 1993-09-14 2003-04-10 Toshiba Kawasaki Kk Verfahren zur Bildgebung der Gehirnfunktion mittels einer Kernspinresonanz-Vorrichtung und hieran angepasste Kernspinresonanz-Vorrichtung
US5621321A (en) * 1995-11-06 1997-04-15 Picker International, Inc. Magnetic resonance scan calibration method for ultra-fast image acquisition
US5672969A (en) * 1996-04-25 1997-09-30 General Electric Company Reduction of Nyquist ghost artifacts in oblique echo planar imaging
JP2001095775A (ja) * 1999-10-01 2001-04-10 Hitachi Medical Corp 核磁気共鳴イメージング装置および方法
US6933720B2 (en) * 2001-12-11 2005-08-23 Toshiba America Mri, Inc. Sequence preconditioning for ultra-fast magnetic resonance imaging
US6995559B2 (en) * 2003-10-30 2006-02-07 Ge Medical Systems Global Technology Company, Llc Method and system for optimized pre-saturation in MR with corrected transmitter frequency of pre-pulses
US7075299B1 (en) * 2003-12-12 2006-07-11 General Electric Company Method and apparatus to correct amplitude modulation in multi-echo magnetic resonance imaging
JP7106252B2 (ja) 2017-06-26 2022-07-26 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596160A (en) * 1976-12-15 1981-08-19 Nat Res Dev Nuclear magnetic resonance apparatus and methods
WO1981002788A1 (en) * 1980-03-14 1981-10-01 Nat Res Dev Methods of producing image information from objects
JPS5938636A (ja) * 1982-08-28 1984-03-02 Toshiba Corp 核磁気共鳴装置
JPS59200947A (ja) * 1983-04-30 1984-11-14 Toshiba Corp Ｍｒｉ装置における静磁場強度調整方法
JPS6031069A (ja) * 1983-08-01 1985-02-16 Hitachi Ltd 核磁気共鳴を用いた検査装置
US4649346A (en) * 1983-11-09 1987-03-10 Technicare Corporation Complex quotient nuclear magnetic resonance imaging
JPS60222044A (ja) * 1984-04-20 1985-11-06 横河電機株式会社 核磁気共鳴による診断方法および装置
JPS6126847A (ja) * 1984-07-17 1986-02-06 Mitsubishi Electric Corp 核磁気共鳴装置
JPS6148752A (ja) * 1984-08-17 1986-03-10 Hitachi Ltd 核磁気共鳴を用いた検査装置
JPH0714386B2 (ja) * 1985-04-10 1995-02-22 株式会社日立製作所 核磁気共鳴を用いた検査装置
US4724388A (en) * 1985-06-07 1988-02-09 Hitachi, Ltd. Magnetic resonance imaging method
US4647858A (en) * 1985-07-29 1987-03-03 General Electric Company Methods for overcoming transient magnetic field inhomogeneity in nuclear magnetic resonance imaging
JPH0755219B2 (ja) * 1985-10-28 1995-06-14 株式会社島津製作所 Ｍｒｉ装置
JPH0732763B2 (ja) * 1985-11-02 1995-04-12 株式会社東芝 磁気共鳴イメ−ジング装置
US4698591A (en) * 1986-01-03 1987-10-06 General Electric Company Method for magnetic field gradient eddy current compensation

Also Published As

Publication number Publication date
EP0783113A2 (de) 1997-07-09
JP2642362B2 (ja) 1997-08-20
JPS6486959A (en) 1989-03-31
EP0310434A3 (de) 1990-07-25
EP0310434B1 (de) 1997-06-18
US4859946A (en) 1989-08-22
EP0310434A2 (de) 1989-04-05
DE3856546T2 (de) 2003-10-02
DE3855944D1 (de) 1997-07-24
EP0783113A3 (de) 1997-07-16
EP0783113B1 (de) 2002-11-20
DE3855944T2 (de) 1998-01-08

Similar Documents

Publication Publication Date Title
DE3751909D1 (de) Schnelles Bilderzeugungssystem mittels magnetischer Kernresonanz
DE69130108T2 (de) Abbildung mittels magnetischer Resonanz
DE69029692D1 (de) Magnetresonanzabbildung
DE3772605D1 (de) Bilderzeugungssystem mittels magnetischer resonanz.
FI870009A0 (fi) Itsesuojatut gradienttikelat ydinmagneettista resonanssikuvausta varten
DK239490D0 (da) Kontrastmidler til magnetisk resonansafbildning
DE69025513D1 (de) Anordnung zur Bilderzeugung mittels magnetischer Resonanz
DE69332215D1 (de) Bilderzeugung mittels magnetischer Resonanz
GB2199147B (en) Magnetic field generating system for magnetic resonance imaging system
DE69326379D1 (de) Kinematographische Bilderzeugung mittels magnetischer Resonanz
DE3689873D1 (de) Bilderzeugung mittels magnetischer Kernresonanz.
DE3851496D1 (de) Abbildungsverfahren mittels magnetischer Resonanz und Vorrichtung hierfür.
DE69026552D1 (de) Magnetische Resonanz-Sonden
DE69534049D1 (de) System zur Bildgebung mittels magnetischer Resonanz
DE19775088I2 (de) Dipyridoxyl-phosphat als magnetisches Kernresonanz-Bildgebungsmittel
DE3856546T2 (de) Bilderzeugungssystem mittels magnetischer Resonanz
DE69029827D1 (de) Schnelles Multimode-Magnetresonanz-Abbildungsverfahren
DE69129362D1 (de) Bilderzeugung mittels magnetischer Resonanz
GB8813425D0 (en) Magnetic resonance imaging
DE68927874D1 (de) Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz
DE69317943D1 (de) Diagnostik-Anlage mittels magnetischer Kernresonanz
DE68927418D1 (de) Bilderzeugungssystem mittels magnetischer Kernresonanz
DE3855320D1 (de) Spektroskopie und Bilderzeugung mittels magnetischer Kernresonanz
DE3781869D1 (de) Schnelles abbildungsverfahren mittels magnetischer kernresonanz.
DE68927049D1 (de) Bildformungsanordnung mittels magnetischer resonanz

Legal Events

Date Code Title Description
8364 No opposition during term of opposition