ATE132758T1 - Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mitteln - Google Patents

Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mitteln

Info

Publication number
ATE132758T1
ATE132758T1 AT92109168T AT92109168T ATE132758T1 AT E132758 T1 ATE132758 T1 AT E132758T1 AT 92109168 T AT92109168 T AT 92109168T AT 92109168 T AT92109168 T AT 92109168T AT E132758 T1 ATE132758 T1 AT E132758T1
Authority
AT
Austria
Prior art keywords
dispersions
magneto
mri contrast
application
contrast agents
Prior art date
Application number
AT92109168T
Other languages
English (en)
Inventor
Claudius Dr Kormann
Michel Robert Prof Dr Anseau
Robert Nicolas Henry Pr Muller
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of ATE132758T1 publication Critical patent/ATE132758T1/de

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
    • A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1806—Suspensions, emulsions, colloids, dispersions

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (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)
  • Soft Magnetic Materials (AREA)
AT92109168T 1992-06-01 1992-06-01 Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mitteln ATE132758T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92109168A EP0580878B1 (de) 1992-06-01 1992-06-01 Anwendung von Dispersionen von magneto-ionischen Partikeln in MRI-Kontrast-Mitteln

Publications (1)

Publication Number Publication Date
ATE132758T1 true ATE132758T1 (de) 1996-01-15

Family

ID=8209666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92109168T ATE132758T1 (de) 1992-06-01 1992-06-01 Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mitteln

Country Status (7)

Country Link
US (1) US6251366B1 (de)
EP (1) EP0580878B1 (de)
JP (1) JPH0647024A (de)
AT (1) ATE132758T1 (de)
DE (1) DE69207589T2 (de)
DK (1) DK0580878T3 (de)
NO (1) NO305012B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071580C (zh) * 1994-09-27 2001-09-26 尼科梅德成像有限公司 造影剂
ATE187079T1 (de) 1994-09-27 1999-12-15 Nycomed Imaging As Kontrastmittel
GB9600427D0 (en) * 1996-01-10 1996-03-13 Nycomed Imaging As Contrast media
US6423296B1 (en) 1996-01-10 2002-07-23 Amersham Health As Constrast media
DE19612001A1 (de) 1996-03-18 1997-09-25 Silica Gel Gmbh Adsorptions Te Superparamagnetische Teilchen mit vergrößerter R¶1¶-Relaxivität, Verfahren zur Herstellung und deren Verwendung
US5855868A (en) * 1996-04-01 1999-01-05 Nycomed Imaging As Method of T1 -weighted resonance imaging of RES organs
US6355224B1 (en) * 1998-09-17 2002-03-12 Massachusetts Institute Of Technology Conductive polymer contrast agent compositions and uses therefor
DE10137515A1 (de) * 2001-07-26 2003-02-13 Diagnostikforschung Inst Verfahren zur Herstellung pharmazeutischer Zubereitungen
WO2003087234A1 (en) * 2002-04-12 2003-10-23 Biolocus Aps Antifouling composition comprising an enzyme in the absence of its substrate
US20070031339A1 (en) * 2003-11-28 2007-02-08 Oskar Axelsson Contrast agents
US7165839B2 (en) * 2003-12-19 2007-01-23 Novartis Ag Method for producing tinted contact lenses
CN102515283A (zh) * 2011-12-08 2012-06-27 桂林理工大学 一种能稳定分散于水中的磁性氧化铁纳米粒子的制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330801A1 (de) * 1983-02-08 1989-09-06 Schering Aktiengesellschaft Ferromagnetische, diamagnetische oder paramagnetische Partikel, die in der Diagnose und Behandlung von Krankheiten nützlich sind
FR2550449B1 (fr) * 1983-08-12 1986-01-31 Commissariat Energie Atomique Agents de relaxation specifiques d'organes ou de pathologies, utilisables pour modifier les contrastes en imagerie medicale par resonance magnetique nucleaire
GB8408127D0 (en) * 1984-03-29 1984-05-10 Nyegaard & Co As Contrast agents
EP0184899B1 (de) * 1984-11-01 1990-04-18 Nycomed As Paramagnetische Kontrastmittel für die Anwendung in "in vivo" NMR-diagnostischen Methoden und die Herstellung davon
US4675173A (en) * 1985-05-08 1987-06-23 Molecular Biosystems, Inc. Method of magnetic resonance imaging of the liver and spleen
DE3619746A1 (de) * 1986-06-12 1987-12-17 Basf Ag Superparamagnetische feststoffteilchen
US4888248A (en) * 1986-07-01 1989-12-19 Hidefumi Hirai Colloidal metal dispersion, and a colloidal metal complex
US4827945A (en) * 1986-07-03 1989-05-09 Advanced Magnetics, Incorporated Biologically degradable superparamagnetic materials for use in clinical applications
US5055288A (en) 1987-06-26 1991-10-08 Advanced Magnetics, Inc. Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides
DE3709851A1 (de) * 1987-03-24 1988-10-06 Silica Gel Gmbh Adsorptions Te Nmr-diagnostische fluessigkeitszusammensetzungen
GB8813144D0 (en) * 1988-06-03 1988-07-06 Nycomed As Compositions
US5023072A (en) * 1988-08-10 1991-06-11 University Of New Mexico Paramagnetic/superparamagnetic/ferromagnetic sucrose sulfate compositions for magnetic resonance imaging of the gastrointestinal tract
ATE131042T1 (de) * 1990-04-25 1995-12-15 Hoechst Ag Pharmakologische zubereitung, enthaltend polyelektrolytkomplexe in mikropartikulärer form und mindestens einen wirkstoff.
US5143716A (en) * 1991-02-01 1992-09-01 Unger Evan C Phosphorylated sugar alcohols, Mono- and Di-Saccharides as contrast agents for use in magnetic resonance imaging of the gastrointestinal region
US5370901A (en) * 1991-02-15 1994-12-06 Bracco International B.V. Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients
DE4117782C2 (de) * 1991-05-28 1997-07-17 Diagnostikforschung Inst Nanokristalline magnetische Eisenoxid-Partikel, Verfahren zu ihrer Herstellung sowie diagnostische und/oder therapeutische Mittel

Also Published As

Publication number Publication date
DE69207589D1 (de) 1996-02-22
DK0580878T3 (da) 1996-02-12
NO305012B1 (no) 1999-03-22
EP0580878A1 (de) 1994-02-02
JPH0647024A (ja) 1994-02-22
DE69207589T2 (de) 1996-05-23
NO931968D0 (no) 1993-05-28
NO931968L (no) 1993-12-02
EP0580878B1 (de) 1996-01-10
US6251366B1 (en) 2001-06-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee