JPH0317488B2 - - Google Patents

Info

Publication number
JPH0317488B2
JPH0317488B2 JP57171358A JP17135882A JPH0317488B2 JP H0317488 B2 JPH0317488 B2 JP H0317488B2 JP 57171358 A JP57171358 A JP 57171358A JP 17135882 A JP17135882 A JP 17135882A JP H0317488 B2 JPH0317488 B2 JP H0317488B2
Authority
JP
Japan
Prior art keywords
magnetic field
coil
uniformity
gradient magnetic
gradient
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
JP57171358A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5960346A (ja
Inventor
Hiroshi Sugimoto
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
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP57171358A priority Critical patent/JPS5960346A/ja
Publication of JPS5960346A publication Critical patent/JPS5960346A/ja
Publication of JPH0317488B2 publication Critical patent/JPH0317488B2/ja
Granted 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
    • G01R33/28—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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP57171358A 1982-09-30 1982-09-30 磁気共鳴イメージング装置用傾斜磁場コイルユニット Granted JPS5960346A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57171358A JPS5960346A (ja) 1982-09-30 1982-09-30 磁気共鳴イメージング装置用傾斜磁場コイルユニット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57171358A JPS5960346A (ja) 1982-09-30 1982-09-30 磁気共鳴イメージング装置用傾斜磁場コイルユニット

Publications (2)

Publication Number Publication Date
JPS5960346A JPS5960346A (ja) 1984-04-06
JPH0317488B2 true JPH0317488B2 (en]) 1991-03-08

Family

ID=15921701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57171358A Granted JPS5960346A (ja) 1982-09-30 1982-09-30 磁気共鳴イメージング装置用傾斜磁場コイルユニット

Country Status (1)

Country Link
JP (1) JPS5960346A (en])

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640869B2 (ja) * 1984-01-18 1994-06-01 株式会社日立メディコ Νｍｒイメ−ジング装置
DE8419763U1 (de) * 1984-07-02 1986-03-20 Siemens AG, 1000 Berlin und 8000 München Kernspin-Tomographiegerät
NL8502340A (nl) * 1985-08-26 1987-03-16 Philips Nv Magnetisch resonantie apparaat met veld homogeniserende magnetische elementen.
FR2598809B1 (fr) * 1986-05-13 1988-07-22 Thomson Cgr Bloc correcteur d'homogeneite de champ magnetique et aimant muni de tels blocs
US4879538A (en) * 1987-08-14 1989-11-07 Siemens Aktiengesellschaft Magnet system for nuclear magnetic resonance tomography devices
FR2623324A1 (fr) * 1987-11-13 1989-05-19 Thomson Cgr Dispositif d'imagerie rmn, procede de correction d'inhomogeneite et procede de realisation d'aimants mis en oeuvre dans le dispositif
JPH01280447A (ja) * 1988-05-02 1989-11-10 Hitachi Ltd 核スピン共鳴断層撮影装置
US4853663A (en) * 1988-12-22 1989-08-01 General Electric Company Passive shims for correction of (3,2) and (3,-2) harmonic terms in magnetic resonance magnets
GB2276946B (en) * 1993-04-08 1997-04-02 Oxford Magnet Tech Improvements in or relating to MRI magnets
JP5984405B2 (ja) * 2012-02-01 2016-09-06 株式会社日立製作所 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
JPS5960346A (ja) 1984-04-06

Similar Documents

Publication Publication Date Title
US6933722B2 (en) Magnetic resonance imaging device and gradient magnetic field coil used for it
US4486711A (en) Gradient field coil system for nuclear spin tomography
US4590452A (en) Magnetic device of apparatus in nuclear spin tomography with a shielding device
US4591789A (en) Method for correcting image distortion due to gradient nonuniformity
US5574417A (en) Open MRI magnet with homogeneous imaging volume
EP0701700A1 (en) An acoustic screen
US6342787B1 (en) Real-time multi-axis gradient distortion correction using an interactive shim set
JPS63272335A (ja) 磁気共鳴イメ−ジング装置
US6100780A (en) Cryogenic-fluid-cooled open MRI magnet with uniform magnetic field
GB2289343A (en) A side-access MRI magnet having both active and passive shims
JP3682627B2 (ja) 磁気共鳴撮像装置
JPH0436012B2 (en])
JPH0317488B2 (en])
JPH0785445B2 (ja) 補正コイル
KR101630634B1 (ko) 자기 공명 장치의 로컬 코일을 위한 기울임에 무관한 심 코일
US5799653A (en) Magnetic resonance imaging apparatus with decreased patient claustrophobia and increased access to patient
US6812700B2 (en) Correction of local field inhomogeneity in magnetic resonance imaging apparatus
JPS62252110A (ja) 核磁気共鳴ｃｔ設備の磁石システム用枠構造
US4633179A (en) Magnetic resonance imaging apparatus using shim coil correction
US6278275B1 (en) Gradient coil set with non-zero first gradient field vector derivative
US20150048827A1 (en) Gradient coil supporting implement and magnetic resonance imaging apparatus
Chapman et al. Quiet gradient coils: active acoustically and magnetically screened distributed transverse gradient designs
JPH042643Y2 (en])
JPH0236482Y2 (en])
JPH0422337A (ja) 磁界発生装置