IL84371A0 - Method and arrangement for determining a nmr distribution in part of a body - Google Patents

Method and arrangement for determining a nmr distribution in part of a body

Info

Publication number
IL84371A0
IL84371A0 IL84371A IL8437187A IL84371A0 IL 84371 A0 IL84371 A0 IL 84371A0 IL 84371 A IL84371 A IL 84371A IL 8437187 A IL8437187 A IL 8437187A IL 84371 A0 IL84371 A0 IL 84371A0
Authority
IL
Israel
Prior art keywords
determining
arrangement
nmr distribution
nmr
distribution
Prior art date
Application number
IL84371A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IL84371A0 publication Critical patent/IL84371A0/xx

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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL84371A 1986-11-07 1987-11-04 Method and arrangement for determining a nmr distribution in part of a body IL84371A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8602821A NL8602821A (nl) 1986-11-07 1986-11-07 Werkwijze en inrichting voor het bepalen van gecorrigeerd mri oppervlaktespoelbeeld.

Publications (1)

Publication Number Publication Date
IL84371A0 true IL84371A0 (en) 1988-04-29

Family

ID=19848801

Family Applications (1)

Application Number Title Priority Date Filing Date
IL84371A IL84371A0 (en) 1986-11-07 1987-11-04 Method and arrangement for determining a nmr distribution in part of a body

Country Status (6)

Country Link
US (1) US4812753A (de)
EP (1) EP0271123B1 (de)
JP (1) JP2677568B2 (de)
DE (1) DE3776517D1 (de)
IL (1) IL84371A0 (de)
NL (1) NL8602821A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02167136A (ja) * 1988-12-20 1990-06-27 Hitachi Ltd Ｍｒイメージング装置
US5208534A (en) * 1989-08-09 1993-05-04 Kabushiki Kaisha Toshiba Magnetic resonance imaging system
US5001428A (en) * 1989-08-21 1991-03-19 General Electric Company Method for mapping the RF transmit and receive field in an NMR system
FR2693801B1 (fr) * 1992-07-16 1994-09-02 Commissariat Energie Atomique Magnétomètre à polarisation lumineuse et à champ de radiofréquence asservis.
JPH0731606A (ja) * 1993-07-22 1995-02-03 Shimadzu Corp 磁気共鳴断層撮影装置
JPH08511716A (ja) * 1994-04-08 1996-12-10 フィリップス エレクトロニクス エヌ ベー 磁気共鳴画像化方法及び装置
DE59509825D1 (de) * 1994-08-03 2001-12-20 Philips Corp Intellectual Pty MR-Verfahren zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung
DE4444061A1 (de) * 1994-12-10 1996-06-13 Philips Patentverwaltung MR-Verfahren zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung
DE19502374A1 (de) 1995-01-26 1996-10-31 Philips Patentverwaltung MR-Verfahren mit induktiv gekoppelten Empfangsspulen-Anordnungen
US5659629A (en) * 1995-04-07 1997-08-19 General Electric Company Visualization of a multi-dimensional data set acquired with a surface receive coil
US6680610B1 (en) 1999-05-24 2004-01-20 Walid E. Kyriakos Apparatus and method for parallel MR data acquisition and parallel image reconstruction from multiple receiver coil arrays for fast MRI
GB2355075A (en) 1999-10-09 2001-04-11 Marconi Electronic Syst Ltd MRI apparatus with additional data correction coil
US6668184B1 (en) * 2000-12-19 2003-12-23 Ge Medical Systems Global Technology Company, Llc System for and method of synchronizing an image data receiver and an MR imaging acquisition slice
US6823205B1 (en) * 2001-02-08 2004-11-23 Boston University Radiology Associates Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation
US6559642B2 (en) * 2001-05-09 2003-05-06 Ge Medical Systems Global Technology Company, Llc Calibration method for use with sensitivity encoding MRI acquisition
WO2003005053A1 (de) * 2001-07-04 2003-01-16 Siemens Aktiengesellschaft Verfahren zur intensitätskorrektur eines magnetresonanzbildes
DE10138705C1 (de) * 2001-08-07 2003-03-27 Siemens Ag Verfahren zur Homogenisierung der Bildaufnahme einer Magnet-resonanzmessung
JP4130405B2 (ja) * 2003-12-22 2008-08-06 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 磁気共鳴撮影装置
CN100444791C (zh) 2004-02-26 2008-12-24 株式会社东芝 磁共振成象装置及其磁共振成象装置的数据处理方法
JP4037385B2 (ja) * 2004-04-23 2008-01-23 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 画像生成方法およびｍｒｉ装置
CN100591269C (zh) * 2006-02-17 2010-02-24 株式会社东芝 数据校正装置、数据校正方法、磁共振成像装置和x射线ct装置
JP2008229277A (ja) * 2007-03-23 2008-10-02 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置、磁気共鳴イメージング方法、および、感度分布計測装置
CN101498773B (zh) * 2008-01-29 2012-05-23 西门子（中国）有限公司 一种提高图像亮度均匀度的方法和装置
JP5283213B2 (ja) * 2008-05-01 2013-09-04 株式会社日立メディコ 磁気共鳴イメージング装置
DE102017201883B4 (de) * 2017-02-07 2019-03-28 Siemens Healthcare Gmbh Gewichtungsmatrix zur Reduzierung von Artefakten bei paralleler Bildgebung
JP7179483B2 (ja) * 2018-04-23 2022-11-29 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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477777A (en) * 1981-06-19 1984-10-16 Oxford Research Systems Limited Analysis of biological material
US4480228A (en) * 1982-10-15 1984-10-30 General Electric Company Selective volume method for performing localized NMR spectroscopy
US4486709A (en) * 1982-11-22 1984-12-04 Bendall Max R Depth and refocusing pulses for use with inhomogeneous radiofrequency coils in nuclear magnetic resonance spectroscopy
JPS60376A (ja) * 1983-06-15 1985-01-05 Yokogawa Medical Syst Ltd 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置
JPS61148358A (ja) * 1984-12-24 1986-07-07 Toshiba Corp 磁気共鳴イメ−ジング装置
JPS61115958U (de) * 1984-12-30 1986-07-22
US4718431A (en) * 1985-10-22 1988-01-12 Siemens Aktiengesellschaft Surface coil with calibration substance for use in a nuclear magnetic resonance apparatus
US4731865A (en) * 1986-03-27 1988-03-15 General Electric Company Digital image correction
JPH0661666A (ja) * 1992-08-07 1994-03-04 Fujitsu Ltd シェルフのバックボード補強構造

Also Published As

Publication number Publication date
JP2677568B2 (ja) 1997-11-17
EP0271123B1 (de) 1992-01-29
NL8602821A (nl) 1988-06-01
US4812753A (en) 1989-03-14
DE3776517D1 (de) 1992-03-12
EP0271123A1 (de) 1988-06-15
JPS63132645A (ja) 1988-06-04

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