DE60225125D1 - Magnetische resonanz-akustografie - Google Patents

Magnetische resonanz-akustografie

Info

Publication number
DE60225125D1
DE60225125D1 DE60225125T DE60225125T DE60225125D1 DE 60225125 D1 DE60225125 D1 DE 60225125D1 DE 60225125 T DE60225125 T DE 60225125T DE 60225125 T DE60225125 T DE 60225125T DE 60225125 D1 DE60225125 D1 DE 60225125D1
Authority
DE
Germany
Prior art keywords
acoustography
magnetic resonance
resonance
magnetic
resonance acoustography
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
DE60225125T
Other languages
English (en)
Other versions
DE60225125T2 (de
Inventor
Richard L Ehman
Philip J Rossman
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.)
Mayo Foundation for Medical Education and Research
Original Assignee
Mayo Foundation for Medical Education and Research
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 Mayo Foundation for Medical Education and Research filed Critical Mayo Foundation for Medical Education and Research
Application granted granted Critical
Publication of DE60225125D1 publication Critical patent/DE60225125D1/de
Publication of DE60225125T2 publication Critical patent/DE60225125T2/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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56358—Elastography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0051—Detecting, measuring or recording by applying mechanical forces or stimuli by applying vibrations
    • 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
    • G01R33/44—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
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56316—Characterization of motion or flow; Dynamic imaging involving phase contrast techniques

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60225125T 2001-04-11 2002-04-08 Magnetische resonanz-akustografie Expired - Lifetime DE60225125T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28323301P 2001-04-11 2001-04-11
US283233P 2001-04-11
PCT/US2002/011068 WO2002084308A1 (en) 2001-04-11 2002-04-08 Magnetic resonance acoustography

Publications (2)

Publication Number Publication Date
DE60225125D1 true DE60225125D1 (de) 2008-04-03
DE60225125T2 DE60225125T2 (de) 2009-02-12

Family

ID=23085123

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60225125T Expired - Lifetime DE60225125T2 (de) 2001-04-11 2002-04-08 Magnetische resonanz-akustografie

Country Status (4)

Country Link
EP (1) EP1379890B1 (de)
JP (1) JP4125134B2 (de)
DE (1) DE60225125T2 (de)
WO (1) WO2002084308A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1379890B1 (de) * 2001-04-11 2008-02-20 Mayo Foundation For Medical Education And Research Magnetische resonanz-akustografie
GB0427686D0 (en) 2004-12-17 2005-02-02 Univ Basel Method for detection and imaging of synchronous spin and charged particle motion
BR112015000245A8 (pt) 2012-07-09 2018-02-06 Koninklijke Philips Nv Equipamento médico, produto de programa de computador e método de operar um equipamento médico

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309099A (en) * 1992-08-07 1994-05-03 The Board Of Trustees Of The Leland Stanford Junior University Method of determining real-time spatially localized velocity distribution using magnetic resonance measurements
US5825186A (en) * 1994-10-19 1998-10-20 Mayo Foundation For Medical Education And Research Method for producing stiffness-weighted MR images
US5592085A (en) * 1994-10-19 1997-01-07 Mayo Foundation For Medical Education And Research MR imaging of synchronous spin motion and strain waves
US5517992A (en) * 1994-12-27 1996-05-21 General Electric Company Magnetic resonance imaging of shear-rate within mechanically vibrated materials
WO2000070362A1 (en) * 1999-05-14 2000-11-23 Koninklijke Philips Electronics N.V. Mr elastography method
EP1379890B1 (de) * 2001-04-11 2008-02-20 Mayo Foundation For Medical Education And Research Magnetische resonanz-akustografie

Also Published As

Publication number Publication date
EP1379890A1 (de) 2004-01-14
DE60225125T2 (de) 2009-02-12
WO2002084308A1 (en) 2002-10-24
JP4125134B2 (ja) 2008-07-30
EP1379890B1 (de) 2008-02-20
JP2004524129A (ja) 2004-08-12

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