BRPI0809689A2 - Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido - Google Patents

Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido

Info

Publication number
BRPI0809689A2
BRPI0809689A2 BRPI0809689-9A2A BRPI0809689A BRPI0809689A2 BR PI0809689 A2 BRPI0809689 A2 BR PI0809689A2 BR PI0809689 A BRPI0809689 A BR PI0809689A BR PI0809689 A2 BRPI0809689 A2 BR PI0809689A2
Authority
BR
Brazil
Prior art keywords
scanner
field coil
hybrid
magnetic field
magnetic resonance
Prior art date
Application number
BRPI0809689-9A2A
Other languages
English (en)
Inventor
Johan A Overweg
Volkna Schulz
Torsten J Solf
Gordon D Demeester
Michael A Morich
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BRPI0809689A2 publication Critical patent/BRPI0809689A2/pt
Publication of BRPI0809689B1 publication Critical patent/BRPI0809689B1/pt

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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/481—MR combined with positron emission tomography [PET] or single photon emission computed tomography [SPECT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/0035—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • 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
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Nuclear Medicine (AREA)
BRPI0809689-9A 2007-04-04 2008-01-16 Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido BRPI0809689B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US91003207P 2007-04-04 2007-04-04
US60/910032 2007-04-04
PCT/IB2008/050151 WO2008122899A1 (en) 2007-04-04 2008-01-16 Split gradient coil and pet/mri hybrid system using the same

Publications (2)

Publication Number Publication Date
BRPI0809689A2 true BRPI0809689A2 (pt) 2014-10-07
BRPI0809689B1 BRPI0809689B1 (pt) 2019-03-19

Family

ID=39323653

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0809689-9A BRPI0809689B1 (pt) 2007-04-04 2008-01-16 Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido

Country Status (7)

Country Link
US (3) US8334697B2 (pt)
EP (1) EP2135107B1 (pt)
JP (1) JP5260629B2 (pt)
CN (1) CN101688908B (pt)
BR (1) BRPI0809689B1 (pt)
RU (1) RU2459215C2 (pt)
WO (1) WO2008122899A1 (pt)

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Also Published As

Publication number Publication date
JP2010523191A (ja) 2010-07-15
RU2459215C2 (ru) 2012-08-20
BRPI0809689B1 (pt) 2019-03-19
CN101688908A (zh) 2010-03-31
US20120241631A1 (en) 2012-09-27
US8604795B2 (en) 2013-12-10
JP5260629B2 (ja) 2013-08-14
US9423479B2 (en) 2016-08-23
US20140062486A1 (en) 2014-03-06
RU2009140768A (ru) 2011-05-10
US8334697B2 (en) 2012-12-18
CN101688908B (zh) 2014-02-12
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