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HU9300422D0 - Method and magnetic resonqnce based apparatus for determining movement inside of a part of examined person without surgical operation - Google Patents

Method and magnetic resonqnce based apparatus for determining movement inside of a part of examined person without surgical operation

Info

Publication number
HU9300422D0
HU9300422D0 HU93422A HU42293A HU9300422D0 HU 9300422 D0 HU9300422 D0 HU 9300422D0 HU 93422 A HU93422 A HU 93422A HU 42293 A HU42293 A HU 42293A HU 9300422 D0 HU9300422 D0 HU 9300422D0
Authority
HU
Hungary
Prior art keywords
resonqnce
magnetic
surgical operation
movement inside
based apparatus
Prior art date
Application number
HU93422A
Other languages
Hungarian (hu)
Other versions
HUT63547A (en
HU213190B (en
Inventor
Leon Axel
Meir Shinnar
Original Assignee
Univ Pennsylvania
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
Priority claimed from US07/685,915 external-priority patent/US5217016A/en
Application filed by Univ Pennsylvania filed Critical Univ Pennsylvania
Publication of HU9300422D0 publication Critical patent/HU9300422D0/en
Publication of HUT63547A publication Critical patent/HUT63547A/en
Publication of HU213190B publication Critical patent/HU213190B/en

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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56333—Involving spatial modulation of the magnetization within an imaged region, e.g. spatial modulation of magnetization [SPAMM] tagging
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring Magnetic Variables (AREA)
HU9300422A 1990-08-17 1991-08-19 Method and magnetic resonance based apparatus for determining movement inside of a part of examined person without surgical operation HU213190B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57020790A 1990-08-17 1990-08-17
US07/685,915 US5217016A (en) 1988-10-06 1991-04-15 Method for generating optimal pulses for magnetic resonance imaging using spatial modulation of magnetization

Publications (3)

Publication Number Publication Date
HU9300422D0 true HU9300422D0 (en) 1993-05-28
HUT63547A HUT63547A (en) 1993-09-28
HU213190B HU213190B (en) 1997-03-28

Family

ID=27075267

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9300422A HU213190B (en) 1990-08-17 1991-08-19 Method and magnetic resonance based apparatus for determining movement inside of a part of examined person without surgical operation

Country Status (6)

Country Link
EP (1) EP0543928A4 (en)
JP (1) JP3179784B2 (en)
AU (1) AU8523291A (en)
CA (1) CA2089764C (en)
HU (1) HU213190B (en)
WO (1) WO1992003089A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275163A (en) * 1991-04-02 1994-01-04 U.S. Philips Corporation Magnetic resonance imaging method and device for monitoring motion of a part of an object
US5379766A (en) * 1991-04-02 1995-01-10 U.S. Philips Corporation Magnetic resonance imaging method and device for monitoring motion of a part of an object based on stimulated echoes
US6453187B1 (en) * 1998-08-10 2002-09-17 The Johns Hopkins University Method of employing angle images for measuring object motion in tagged magnetic resonance imaging
FR2828753A1 (en) * 2001-08-14 2003-02-21 Koninkl Philips Electronics Nv Method for observing the deformation or motion in 3-D of an object, such as a human organ, from subsequent sets of medical image data whereby correspondences between data sets are created and linked by equations
JP2008212634A (en) * 2007-02-06 2008-09-18 Toshiba Corp Magnetic resonance imaging apparatus and image analysis method and image analysis program therefor
JP5167556B2 (en) * 2007-11-12 2013-03-21 株式会社日立メディコ Magnetic resonance imaging system
DE102014225282B4 (en) 2014-12-09 2016-07-21 Siemens Healthcare Gmbh Deformation calculation with cyclical movement of a test object

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777957A (en) * 1985-06-14 1988-10-18 General Electric Company Method for measuring and imaging fluid flow
JPS63317144A (en) * 1987-06-22 1988-12-26 Hitachi Ltd Magnetic resonance image synthesizing system
US4953554A (en) * 1988-03-04 1990-09-04 Resonex, Inc. Magnetic resonance imaging method
JP2646663B2 (en) * 1988-06-07 1997-08-27 株式会社日立製作所 Moving body imaging method and apparatus

Also Published As

Publication number Publication date
CA2089764A1 (en) 1992-02-18
CA2089764C (en) 2001-11-20
EP0543928A1 (en) 1993-06-02
AU8523291A (en) 1992-03-17
HUT63547A (en) 1993-09-28
JPH06500035A (en) 1994-01-06
EP0543928A4 (en) 1993-06-30
WO1992003089A1 (en) 1992-03-05
HU213190B (en) 1997-03-28
JP3179784B2 (en) 2001-06-25

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Legal Events

Date Code Title Description
HPC4 Succession in title of patentee

Owner name: MITSUI CHEMICALS, INC., JP

HMM4 Cancellation of final prot. due to non-payment of fee
HMM4 Cancellation of final prot. due to non-payment of fee