NO303483B1 - Kontrastmediumblanding, anvendelse og diagnostisk kontrastmiddelsett - Google Patents
Kontrastmediumblanding, anvendelse og diagnostisk kontrastmiddelsett Download PDFInfo
- Publication number
- NO303483B1 NO303483B1 NO920263A NO920263A NO303483B1 NO 303483 B1 NO303483 B1 NO 303483B1 NO 920263 A NO920263 A NO 920263A NO 920263 A NO920263 A NO 920263A NO 303483 B1 NO303483 B1 NO 303483B1
- Authority
- NO
- Norway
- Prior art keywords
- viscosity
- contrast medium
- increasing agent
- contrast
- particles
- Prior art date
Links
- 239000002872 contrast media Substances 0.000 title claims abstract description 64
- 239000000203 mixture Substances 0.000 title claims abstract description 58
- 239000002245 particle Substances 0.000 claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 47
- 238000003384 imaging method Methods 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 11
- 230000001965 increasing effect Effects 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000005293 ferrimagnetic effect Effects 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 210000004051 gastric juice Anatomy 0.000 claims description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000013268 sustained release Methods 0.000 claims 1
- 239000012730 sustained-release form Substances 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 229940039231 contrast media Drugs 0.000 description 17
- 239000008187 granular material Substances 0.000 description 16
- 239000002609 medium Substances 0.000 description 14
- 210000000936 intestine Anatomy 0.000 description 12
- 238000002595 magnetic resonance imaging Methods 0.000 description 12
- 230000002496 gastric effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000012736 aqueous medium Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000005291 magnetic effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 210000005095 gastrointestinal system Anatomy 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 210000000683 abdominal cavity Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 239000002616 MRI contrast agent Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000037406 food intake Effects 0.000 description 3
- 210000003736 gastrointestinal content Anatomy 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 239000008365 aqueous carrier Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 210000001198 duodenum Anatomy 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 239000000825 pharmaceutical preparation Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000004291 uterus Anatomy 0.000 description 2
- 239000000230 xanthan gum Substances 0.000 description 2
- 235000010493 xanthan gum Nutrition 0.000 description 2
- 229920001285 xanthan gum Polymers 0.000 description 2
- 229940082509 xanthan gum Drugs 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 206010010774 Constipation Diseases 0.000 description 1
- 229920003134 Eudragit® polymer Polymers 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 244000134552 Plantago ovata Species 0.000 description 1
- 235000003421 Plantago ovata Nutrition 0.000 description 1
- 239000009223 Psyllium Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920001615 Tragacanth Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000000305 astragalus gummifer gum Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000005308 ferrimagnetism Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003232 mucoadhesive effect Effects 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229940070687 psyllium Drugs 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000005258 radioactive decay Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 210000003932 urinary bladder Anatomy 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 239000007966 viscous suspension Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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
- A61K49/06—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
- A61K49/1887—Agglomerates, clusters, i.e. more than one (super)(para)magnetic microparticle or nanoparticle are aggregated or entrapped in the same maxtrix
-
- 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
- A61K49/1803—Semi-solid preparations, e.g. ointments, gels, hydrogels
-
- 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
- A61K49/1821—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 coated or functionalised microparticles or nanoparticles
- A61K49/1824—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 coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
- A61K49/1827—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 coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
- A61K49/1851—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 coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule
- A61K49/1857—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 coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule the organic macromolecular compound being obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. PLGA
Landscapes
- Health & Medical Sciences (AREA)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Liquid Crystal Substances (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898916780A GB8916780D0 (en) | 1989-07-21 | 1989-07-21 | Compositions |
PCT/EP1990/001196 WO1991001148A1 (en) | 1989-07-21 | 1990-07-19 | Contrast medium composition |
Publications (3)
Publication Number | Publication Date |
---|---|
NO920263D0 NO920263D0 (no) | 1992-01-20 |
NO920263L NO920263L (no) | 1992-01-20 |
NO303483B1 true NO303483B1 (no) | 1998-07-20 |
Family
ID=10660459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO920263A NO303483B1 (no) | 1989-07-21 | 1992-01-20 | Kontrastmediumblanding, anvendelse og diagnostisk kontrastmiddelsett |
Country Status (16)
Country | Link |
---|---|
EP (2) | EP0409351B1 (ja) |
JP (1) | JP2962521B2 (ja) |
AT (1) | ATE101047T1 (ja) |
AU (1) | AU640401B2 (ja) |
CA (1) | CA2059279A1 (ja) |
DE (1) | DE69006415T2 (ja) |
DK (1) | DK0409351T3 (ja) |
ES (1) | ES2048958T3 (ja) |
FI (1) | FI98987C (ja) |
GB (1) | GB8916780D0 (ja) |
HK (1) | HK1003562A1 (ja) |
IE (1) | IE65463B1 (ja) |
NO (1) | NO303483B1 (ja) |
NZ (1) | NZ234574A (ja) |
WO (1) | WO1991001148A1 (ja) |
ZA (1) | ZA905725B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5114703A (en) * | 1989-05-30 | 1992-05-19 | Alliance Pharmaceutical Corp. | Percutaneous lymphography using particulate fluorocarbon emulsions |
US5368840A (en) * | 1990-04-10 | 1994-11-29 | Imarx Pharmaceutical Corp. | Natural polymers as contrast media for magnetic resonance imaging |
ATE153860T1 (de) * | 1990-04-10 | 1997-06-15 | Imarx Pharmaceutical Corp | Polymere und ihre verwendung als kontrastmittel bei der bilderzeugung mit magnetischer resonanz |
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 |
US5179955A (en) * | 1991-02-22 | 1993-01-19 | Molecular Biosystems, Inc. | Method of abdominal ultrasound imaging |
US5455308A (en) * | 1991-08-01 | 1995-10-03 | Dsm N.V. | Endless objects from epoxy resin or unsaturated polyester and thermoplastic polymer |
JPH06157355A (ja) * | 1992-11-13 | 1994-06-03 | Dai Ichi Seiyaku Co Ltd | Mri用粒状製剤 |
FR2703250A1 (fr) * | 1993-03-30 | 1994-10-07 | Chicouri Marcel | Nouvelles compositions pharmaceutiques à base de bismuth et leur procédé de préparation. |
DE4426204C2 (de) * | 1993-07-24 | 2001-05-23 | Infai Inst Fuer Biomedizinisch | Diagnostikum und seine Verwendung |
JP2909876B2 (ja) * | 1994-01-24 | 1999-06-23 | 恭弘 小川 | 造影剤 |
CA2182213A1 (en) * | 1994-01-28 | 1995-08-03 | William George Gorman | Oral magnetic particle formulation |
EP1031354A3 (en) | 1999-01-19 | 2003-02-05 | Rohm And Haas Company | Polymeric MRI Contrast agents |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3316703A1 (de) * | 1983-05-04 | 1984-11-08 | Schering AG, 1000 Berlin und 4709 Bergkamen | Orales kontrastmittel fuer die kernspintomographie und dessen herstellung |
SE463651B (sv) | 1983-12-21 | 1991-01-07 | Nycomed As | Diagnostikum och kontrastmedel |
GB8408127D0 (en) | 1984-03-29 | 1984-05-10 | Nyegaard & Co As | Contrast agents |
US4610870A (en) * | 1984-10-05 | 1986-09-09 | E. R. Squibb & Sons, Inc. | Controlled release formulation |
SE465907B (sv) * | 1984-11-01 | 1991-11-18 | Nyegaard & Co As | Diagnosticeringsmedel innehaallande en paramagnetisk metall |
EP0184899B1 (en) * | 1984-11-01 | 1990-04-18 | Nycomed As | Paramagnetic contrast agents for use in "in vivo" diagnostic methods using nmr, and their preparation |
DE3443252A1 (de) | 1984-11-23 | 1986-05-28 | Schering AG, 1000 Berlin und 4709 Bergkamen | Dextran-magnetit-komplexe fuer die nmr-diagnostik |
US4675173A (en) | 1985-05-08 | 1987-06-23 | Molecular Biosystems, Inc. | Method of magnetic resonance imaging of the liver and spleen |
US4729892A (en) * | 1986-03-21 | 1988-03-08 | Ciba-Geigy Corporation | Use of cross-linked hydrogel materials as image contrast agents in proton nuclear magnetic resonance tomography and tissue phantom kits containing such materials |
US4770183A (en) | 1986-07-03 | 1988-09-13 | Advanced Magnetics Incorporated | Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents |
DE3709851A1 (de) * | 1987-03-24 | 1988-10-06 | Silica Gel Gmbh Adsorptions Te | Nmr-diagnostische fluessigkeitszusammensetzungen |
SE8704157L (sv) | 1987-10-26 | 1989-04-27 | Carbomatrix Ab C O Ulf Schroed | Superparamagnetiska partiklar och foerfarande foer framstaellning daerav samt anvaendning |
-
1989
- 1989-07-21 GB GB898916780A patent/GB8916780D0/en active Pending
-
1990
- 1990-07-19 AT AT90201962T patent/ATE101047T1/de not_active IP Right Cessation
- 1990-07-19 DE DE90201962T patent/DE69006415T2/de not_active Expired - Fee Related
- 1990-07-19 WO PCT/EP1990/001196 patent/WO1991001148A1/en active IP Right Grant
- 1990-07-19 AU AU61475/90A patent/AU640401B2/en not_active Ceased
- 1990-07-19 CA CA002059279A patent/CA2059279A1/en not_active Abandoned
- 1990-07-19 EP EP90201962A patent/EP0409351B1/en not_active Expired - Lifetime
- 1990-07-19 DK DK90201962.9T patent/DK0409351T3/da active
- 1990-07-19 EP EP90911450A patent/EP0485429A1/en active Pending
- 1990-07-19 ES ES90201962T patent/ES2048958T3/es not_active Expired - Lifetime
- 1990-07-19 JP JP2510853A patent/JP2962521B2/ja not_active Expired - Lifetime
- 1990-07-19 NZ NZ234574A patent/NZ234574A/xx unknown
- 1990-07-20 IE IE265890A patent/IE65463B1/en not_active IP Right Cessation
- 1990-07-20 ZA ZA905725A patent/ZA905725B/xx unknown
-
1992
- 1992-01-20 FI FI920237A patent/FI98987C/fi active
- 1992-01-20 NO NO920263A patent/NO303483B1/no not_active IP Right Cessation
-
1998
- 1998-03-27 HK HK98102621A patent/HK1003562A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2962521B2 (ja) | 1999-10-12 |
WO1991001148A1 (en) | 1991-02-07 |
FI920237A0 (fi) | 1992-01-20 |
FI98987C (fi) | 1997-09-25 |
NZ234574A (en) | 1992-11-25 |
NO920263D0 (no) | 1992-01-20 |
CA2059279A1 (en) | 1991-01-22 |
DK0409351T3 (da) | 1994-03-07 |
ATE101047T1 (de) | 1994-02-15 |
FI98987B (fi) | 1997-06-13 |
HK1003562A1 (en) | 1998-10-30 |
EP0409351A1 (en) | 1991-01-23 |
AU6147590A (en) | 1991-02-22 |
IE902658A1 (en) | 1991-02-27 |
NO920263L (no) | 1992-01-20 |
IE65463B1 (en) | 1995-11-01 |
AU640401B2 (en) | 1993-08-26 |
EP0485429A1 (en) | 1992-05-20 |
DE69006415T2 (de) | 1994-05-11 |
ES2048958T3 (es) | 1994-04-01 |
ZA905725B (en) | 1991-04-24 |
GB8916780D0 (en) | 1989-09-06 |
DE69006415D1 (de) | 1994-03-17 |
EP0409351B1 (en) | 1994-02-02 |
JPH04506806A (ja) | 1992-11-26 |
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Giovagnoni et al. | Oral contrast agents in MRI of the gastrointestinal tract | |
DK171526B1 (da) | Anvendelse af ferromagnetiske partikler til fremstilling af et partikkelformigt diagnostisk kontrastmiddel til NMR-billeddannelse | |
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