FI893275A - Mri metod och anordning foer snabb bestaemning av tvaerrelaxtionstidkonstanten t2. - Google Patents

Mri metod och anordning foer snabb bestaemning av tvaerrelaxtionstidkonstanten t2. Download PDF

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Publication number
FI893275A
FI893275A FI893275A FI893275A FI893275A FI 893275 A FI893275 A FI 893275A FI 893275 A FI893275 A FI 893275A FI 893275 A FI893275 A FI 893275A FI 893275 A FI893275 A FI 893275A
Authority
FI
Finland
Prior art keywords
tvaerrelaxtionstidkonstanten
laboration
analyzing
mri methods
mri
Prior art date
Application number
FI893275A
Other languages
English (en)
Other versions
FI893275A0 (fi
Inventor
Antoon Frans Mehlkopf
Willem Marten Prins
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 FI893275A0 publication Critical patent/FI893275A0/fi
Publication of FI893275A publication Critical patent/FI893275A/fi

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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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General 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)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI893275A 1988-07-08 1989-07-05 Mri metod och anordning foer snabb bestaemning av tvaerrelaxtionstidkonstanten t2. FI893275A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8801731A NL8801731A (nl) 1988-07-08 1988-07-08 Werkwijze en kernspinresonantie-inrichting om de dwarsrelaxatietijdkonstante t2 snel te bepalen.

Publications (2)

Publication Number Publication Date
FI893275A0 FI893275A0 (fi) 1989-07-05
FI893275A true FI893275A (fi) 1990-01-09

Family

ID=19852593

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893275A FI893275A (fi) 1988-07-08 1989-07-05 Mri metod och anordning foer snabb bestaemning av tvaerrelaxtionstidkonstanten t2.

Country Status (8)

Country Link
US (1) US5068610A (fi)
EP (1) EP0350120B1 (fi)
JP (1) JPH0265843A (fi)
CN (1) CN1039484A (fi)
DE (1) DE58907744D1 (fi)
FI (1) FI893275A (fi)
IL (1) IL90877A0 (fi)
NL (1) NL8801731A (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0525858A2 (en) * 1991-07-17 1993-02-03 Koninklijke Philips Electronics N.V. Method and device for determining variations in the position of a movable object by means of ultrasound
DE19619572A1 (de) * 1996-05-15 1997-12-18 Klaus Lehmann Verfahren zur Detektion von Unstetigkeiten in Meßsignalen
DE19930707C2 (de) * 1999-07-02 2003-04-10 Forschungszentrum Juelich Gmbh Meßverfahren, Meßvorrichtung sowie Auswerteelektronik
US6898455B2 (en) * 1999-10-29 2005-05-24 The Mclean Hospital Corporation Method for providing optimal drug dosage
US6400978B1 (en) 1999-10-29 2002-06-04 The Mclean Hospital Corporation Method and apparatus for detecting mental disorders
US6804384B2 (en) 2001-06-12 2004-10-12 Mclean Hospital Corporation Color magnetic resonance imaging
WO2007051224A1 (en) * 2005-11-01 2007-05-10 Resonance Health Analysis Services Pty Ltd A method of characterising an area of interest within a body
EP1957997B1 (en) * 2005-11-27 2014-04-30 Acuitas Medical Limited Assessment of structures such as bone using spatial-frequency analysis
DE102006012405A1 (de) * 2006-03-17 2007-09-27 Siemens Ag Verfahren und Referenzsignalisierungsanordnung zur Versorgung einer Mehrzahl von Systemkomponenten mit einem gemeinsamen Referenzsignal
EP2548039A1 (en) * 2010-03-18 2013-01-23 Koninklijke Philips Electronics N.V. Simultaneous and dynamic determination of longitudinal and transversal relaxation times of a nuclear spin system
JP6049954B1 (ja) * 2015-08-06 2016-12-21 株式会社日立製作所 磁気共鳴イメージング装置
US11287501B1 (en) * 2021-02-25 2022-03-29 Wisconsin Alumni Research Foundation System and method for multiple contrast encoding with magnetic resonance imaging

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521733A (en) * 1983-05-23 1985-06-04 General Electric Company NMR Imaging of the transverse relaxation time using multiple spin echo sequences
US4573014A (en) * 1983-11-09 1986-02-25 Duke University NMR Imaging method and apparatus
DE3514530A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Kernspinresonanzgeraet
US4720679A (en) * 1985-12-31 1988-01-19 Picker International, Inc. Magnetic resonance imaging with phase encoded chemical shift correction
IL80727A (en) * 1986-11-21 1990-06-10 Elscint Ltd Noise reduction in magnetic resonance images
US4866386A (en) * 1988-04-26 1989-09-12 Picker International, Inc. High signal-to-noise, rapid calibration of RF pulses

Also Published As

Publication number Publication date
FI893275A0 (fi) 1989-07-05
NL8801731A (nl) 1990-02-01
US5068610A (en) 1991-11-26
DE58907744D1 (de) 1994-07-07
CN1039484A (zh) 1990-02-07
EP0350120B1 (de) 1994-06-01
EP0350120A1 (de) 1990-01-10
JPH0265843A (ja) 1990-03-06
IL90877A0 (en) 1990-02-09

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN