DE3581871D1 - Verwendung ferromagnetischer teilchen in kontrastmitteln fuer nmr-bild- und kontrastmittel. - Google Patents

Verwendung ferromagnetischer teilchen in kontrastmitteln fuer nmr-bild- und kontrastmittel.

Info

Publication number
DE3581871D1
DE3581871D1 DE8585901609T DE3581871T DE3581871D1 DE 3581871 D1 DE3581871 D1 DE 3581871D1 DE 8585901609 T DE8585901609 T DE 8585901609T DE 3581871 T DE3581871 T DE 3581871T DE 3581871 D1 DE3581871 D1 DE 3581871D1
Authority
DE
Germany
Prior art keywords
pct
contrasting agents
ferromagnetic particles
nmr
contrast agents
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
DE8585901609T
Other languages
English (en)
Inventor
Trond Jacobsen
Jo Klaveness
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.)
GE Healthcare AS
Original Assignee
Nycomed AS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10558866&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3581871(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nycomed AS filed Critical Nycomed AS
Application granted granted Critical
Publication of DE3581871D1 publication Critical patent/DE3581871D1/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
    • G01R33/5601—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
    • 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
    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/806—Electrical property or magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/24—Nuclear magnetic resonance, electron spin resonance or other spin effects or mass spectrometry

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Signal Processing (AREA)
  • Nanotechnology (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)
  • Steroid Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Lubricants (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soft Magnetic Materials (AREA)
DE8585901609T 1984-03-29 1985-03-28 Verwendung ferromagnetischer teilchen in kontrastmitteln fuer nmr-bild- und kontrastmittel. Expired - Lifetime DE3581871D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848408127A GB8408127D0 (en) 1984-03-29 1984-03-29 Contrast agents
PCT/NO1985/000017 WO1985004330A1 (en) 1984-03-29 1985-03-28 Use of ferromagnetic particles in contrast agents for nmr imaging and contrast agents

Publications (1)

Publication Number Publication Date
DE3581871D1 true DE3581871D1 (de) 1991-04-04

Family

ID=10558866

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585901609T Expired - Lifetime DE3581871D1 (de) 1984-03-29 1985-03-28 Verwendung ferromagnetischer teilchen in kontrastmitteln fuer nmr-bild- und kontrastmittel.

Country Status (13)

Country Link
US (1) US4863715A (de)
EP (1) EP0177545B2 (de)
JP (1) JPH066538B2 (de)
AT (1) ATE61001T1 (de)
AU (1) AU568740B2 (de)
DE (1) DE3581871D1 (de)
DK (1) DK171526B1 (de)
FI (1) FI85442C (de)
GB (1) GB8408127D0 (de)
HK (1) HK18094A (de)
NL (1) NL960016I2 (de)
NO (2) NO173429C (de)
WO (1) WO1985004330A1 (de)

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Also Published As

Publication number Publication date
FI85442B (fi) 1992-01-15
NO854765L (no) 1985-11-28
US4863715A (en) 1989-09-05
AU4215185A (en) 1985-11-01
DK528385D0 (da) 1985-11-15
DK528385A (da) 1985-11-15
HK18094A (en) 1994-03-11
NO1994016I1 (no) 1994-09-05
NO173429B (no) 1993-09-06
FI854488A (fi) 1985-11-14
GB8408127D0 (en) 1984-05-10
WO1985004330A1 (en) 1985-10-10
EP0177545B1 (de) 1991-02-27
JPH066538B2 (ja) 1994-01-26
DK171526B1 (da) 1996-12-23
ATE61001T1 (de) 1991-03-15
JPS61501633A (ja) 1986-08-07
FI85442C (fi) 1992-04-27
EP0177545B2 (de) 2002-10-23
FI854488A0 (fi) 1985-11-14
NL960016I1 (nl) 1996-10-01
NO173429C (no) 1993-12-22
AU568740B2 (en) 1988-01-07
NL960016I2 (nl) 1996-12-02
EP0177545A1 (de) 1986-04-16

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