DE2030690C3 - Röntgenkontrastmittel auf der Basis von weichmagnetischem Ferritpulver - Google Patents

Röntgenkontrastmittel auf der Basis von weichmagnetischem Ferritpulver

Info

Publication number
DE2030690C3
DE2030690C3 DE2030690A DE2030690A DE2030690C3 DE 2030690 C3 DE2030690 C3 DE 2030690C3 DE 2030690 A DE2030690 A DE 2030690A DE 2030690 A DE2030690 A DE 2030690A DE 2030690 C3 DE2030690 C3 DE 2030690C3
Authority
DE
Germany
Prior art keywords
ferrite
weight
percent
ray
contrast media
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
DE2030690A
Other languages
German (de)
English (en)
Other versions
DE2030690A1 (de
DE2030690B2 (de
Inventor
Koemon Funaki
Yuzo Saeki
Mitsu Tokio Sugimoto
Noritoshi Watanabe
Tsutomu Sika Watari
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.)
RIKAGAKU KENKYUSHO KITAADACHI SAITAMA (JAPAN)
Original Assignee
RIKAGAKU KENKYUSHO KITAADACHI SAITAMA (JAPAN)
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 JP44048725A external-priority patent/JPS4829124B1/ja
Priority claimed from JP44048724A external-priority patent/JPS4829123B1/ja
Priority claimed from JP44091718A external-priority patent/JPS4829126B1/ja
Priority claimed from JP45040656A external-priority patent/JPS4946055B1/ja
Application filed by RIKAGAKU KENKYUSHO KITAADACHI SAITAMA (JAPAN) filed Critical RIKAGAKU KENKYUSHO KITAADACHI SAITAMA (JAPAN)
Publication of DE2030690A1 publication Critical patent/DE2030690A1/de
Publication of DE2030690B2 publication Critical patent/DE2030690B2/de
Application granted granted Critical
Publication of DE2030690C3 publication Critical patent/DE2030690C3/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0409—Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is not a halogenated organic compound
    • A61K49/0414—Particles, beads, capsules or spheres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0409—Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is not a halogenated organic compound
    • A61K49/0414—Particles, beads, capsules or spheres
    • A61K49/0423—Nanoparticles, nanobeads, nanospheres, nanocapsules, i.e. having a size or diameter smaller than 1 micrometer
    • A61K49/0428—Surface-modified nanoparticles, e.g. immuno-nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/445—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. Fe3O4

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Power Engineering (AREA)
  • Epidemiology (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biophysics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Immunology (AREA)
  • Dispersion Chemistry (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Soft Magnetic Materials (AREA)
DE2030690A 1969-06-20 1970-06-22 Röntgenkontrastmittel auf der Basis von weichmagnetischem Ferritpulver Expired DE2030690C3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP44048725A JPS4829124B1 (enExample) 1969-06-20 1969-06-20
JP44048724A JPS4829123B1 (enExample) 1969-06-20 1969-06-20
JP44091718A JPS4829126B1 (enExample) 1969-11-15 1969-11-15
JP45040656A JPS4946055B1 (enExample) 1970-05-13 1970-05-13

Publications (3)

Publication Number Publication Date
DE2030690A1 DE2030690A1 (de) 1971-01-07
DE2030690B2 DE2030690B2 (de) 1973-11-15
DE2030690C3 true DE2030690C3 (de) 1974-06-12

Family

ID=27460934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2030690A Expired DE2030690C3 (de) 1969-06-20 1970-06-22 Röntgenkontrastmittel auf der Basis von weichmagnetischem Ferritpulver

Country Status (4)

Country Link
US (1) US3832457A (enExample)
DE (1) DE2030690C3 (enExample)
FR (1) FR2053000B1 (enExample)
GB (1) GB1315391A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310507A (en) * 1978-08-02 1982-01-12 Eastman Kodak Company Contrast agent for radiography
FR2508802A1 (fr) * 1981-07-03 1983-01-07 Thomson Csf Procede d'hyperthermie medicale utilisant une poudre magnetique par voie sanguine, et dispositif de mise en oeuvre de ce procede
US4957939A (en) * 1981-07-24 1990-09-18 Schering Aktiengesellschaft Sterile pharmaceutical compositions of gadolinium chelates useful enhancing NMR imaging
US4731239A (en) * 1983-01-10 1988-03-15 Gordon Robert T Method for enhancing NMR imaging; and diagnostic use
DE3316703A1 (de) * 1983-05-04 1984-11-08 Schering AG, 1000 Berlin und 4709 Bergkamen Orales kontrastmittel fuer die kernspintomographie und dessen herstellung
WO1984004888A1 (en) * 1983-06-09 1984-12-20 Field Group Chemicals Radiopaque medium
US5618514A (en) * 1983-12-21 1997-04-08 Nycomed Imaging As Diagnostic and contrast agent
US5720939A (en) * 1985-08-15 1998-02-24 Nycomed Imaging As Method of contrast enhanced magnetic resonance imaging using magnetically responsive-particles
US5746999A (en) * 1984-11-23 1998-05-05 Schering Aktiengesellschaft Magnetic particles for diagnostic purposes
PT81498B (pt) * 1984-11-23 1987-12-30 Schering Ag Processo para a preparacao de composicoes para diagnostico contendo particulas magneticas
JPH07100666B2 (ja) * 1986-04-07 1995-11-01 フランスワ ディエトラン 濃度断層撮影用造影剤
US4770183A (en) * 1986-07-03 1988-09-13 Advanced Magnetics Incorporated Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents
GB9106686D0 (en) * 1991-03-28 1991-05-15 Hafslund Nycomed As Improvements in or relating to contrast agents
AU670029B2 (en) * 1991-08-05 1996-07-04 Mallinckrodt Medical, Inc. Heavy metal clusters for use as imaging agents
GB9200388D0 (en) * 1992-01-09 1992-02-26 Nycomed As Improvements in or relating to contrast agents
US20070258888A1 (en) * 2003-11-17 2007-11-08 Claus Feldmann Contrast Agent for Medical Imaging Techniques and Usage Thereof
JP2006073991A (ja) * 2004-08-02 2006-03-16 Sony Corp 電磁波抑制材料、電磁波抑制デバイス、並びに電子機器
US9155646B2 (en) * 2006-04-27 2015-10-13 Brs Holdings, Llc Composite stent with bioremovable ceramic flakes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US970215A (en) * 1910-06-29 1910-09-13 Oscar Gros Preparation impermeable for roentgen rays.
FR750173A (fr) * 1933-01-31 1933-08-05 Procédé pour la préparation de suspensions aqueuses de sulfate de baryum destinées aux examens aux rayons chi et moyens pour la mise en oeuvre dudit procédé
GB657979A (en) * 1948-07-03 1951-10-03 Miles Lab Improvements in or relating to x-ray contrast mediums
US3592185A (en) * 1967-04-18 1971-07-13 Yeda Res & Dev Ferromagnetic contrast media and method of use

Also Published As

Publication number Publication date
DE2065532A1 (de) 1974-05-16
FR2053000B1 (enExample) 1974-08-30
GB1315391A (en) 1973-05-02
US3832457A (en) 1974-08-27
DE2030690A1 (de) 1971-01-07
DE2065532B2 (de) 1976-07-01
DE2030690B2 (de) 1973-11-15
FR2053000A1 (enExample) 1971-04-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee