CA1244082A - Methode pour ameliorer l'image obtenue par rmn et application au diagnostic - Google Patents

Methode pour ameliorer l'image obtenue par rmn et application au diagnostic

Info

Publication number
CA1244082A
CA1244082A CA000444984A CA444984A CA1244082A CA 1244082 A CA1244082 A CA 1244082A CA 000444984 A CA000444984 A CA 000444984A CA 444984 A CA444984 A CA 444984A CA 1244082 A CA1244082 A CA 1244082A
Authority
CA
Canada
Prior art keywords
particles
area
magnetic resonance
ferromagnetic
paramagnetic
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
Application number
CA000444984A
Other languages
English (en)
Inventor
Robert T. Gordon
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1244082A publication Critical patent/CA1244082A/fr
Expired 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
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent

Landscapes

  • 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)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA000444984A 1983-01-10 1984-01-10 Methode pour ameliorer l'image obtenue par rmn et application au diagnostic Expired CA1244082A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US45655583A 1983-01-10 1983-01-10
US456,555 1983-01-10
US46088983A 1983-01-25 1983-01-25
US460,889 1983-01-25

Publications (1)

Publication Number Publication Date
CA1244082A true CA1244082A (fr) 1988-11-01

Family

ID=27038279

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000444984A Expired CA1244082A (fr) 1983-01-10 1984-01-10 Methode pour ameliorer l'image obtenue par rmn et application au diagnostic

Country Status (3)

Country Link
EP (1) EP0148184A1 (fr)
CA (1) CA1244082A (fr)
WO (1) WO1984002643A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731239A (en) * 1983-01-10 1988-03-15 Gordon Robert T Method for enhancing NMR imaging; and diagnostic use
US5720939A (en) * 1985-08-15 1998-02-24 Nycomed Imaging As Method of contrast enhanced magnetic resonance imaging using magnetically responsive-particles
US5618514A (en) 1983-12-21 1997-04-08 Nycomed Imaging As Diagnostic and contrast agent
GB8408127D0 (en) * 1984-03-29 1984-05-10 Nyegaard & Co As Contrast agents
EP0184899B1 (fr) * 1984-11-01 1990-04-18 Nycomed As Agents de contraste paramagnétiques pour utilisation dans les méthodes de diagnostic par RMN "in vivo" et leur préparation
SE465907B (sv) * 1984-11-01 1991-11-18 Nyegaard & Co As Diagnosticeringsmedel innehaallande en paramagnetisk metall
US5223242A (en) * 1985-11-05 1993-06-29 The General Hospital Corporation Negatively charged specific affinity reagents
US4951675A (en) * 1986-07-03 1990-08-28 Advanced Magnetics, Incorporated Biodegradable superparamagnetic metal oxides as contrast agents for MR imaging
US4770183A (en) * 1986-07-03 1988-09-13 Advanced Magnetics Incorporated Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents
GB8718515D0 (en) * 1987-08-05 1987-09-09 Nat Res Dev Obtaining images
DE4309333A1 (de) * 1993-03-17 1994-09-22 Silica Gel Gmbh Superparamagnetische Teilchen, Verfahren zu ihrer Herstellung und Verwendung derselben

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3489522A (en) * 1965-10-15 1970-01-13 Synvar Ass Electron spin resonance labeling of biomolecules
US4303636A (en) * 1974-08-20 1981-12-01 Gordon Robert T Cancer treatment
US4335427A (en) * 1980-04-21 1982-06-15 Technicare Corporation Method of selecting a preferred difference image

Also Published As

Publication number Publication date
WO1984002643A1 (fr) 1984-07-19
EP0148184A1 (fr) 1985-07-17

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20051101