ATE132758T1 - Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mitteln - Google Patents
Anwendung von dispersionen von magneto-ionischen partikeln in mri-kontrast-mittelnInfo
- 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
Links
- 239000002245 particle Substances 0.000 title abstract 3
- 239000006185 dispersion Substances 0.000 title abstract 2
- 239000002616 MRI contrast agent Substances 0.000 title 1
- 239000002872 contrast media Substances 0.000 abstract 1
- 229920000867 polyelectrolyte Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2147243C1 (ru) * | 1994-09-27 | 2000-04-10 | Нюкомед Имагинг А/С | Контрастное средство |
| CN1071580C (zh) * | 1994-09-27 | 2001-09-26 | 尼科梅德成像有限公司 | 造影剂 |
| CA2242647A1 (en) | 1996-01-10 | 1997-07-17 | Amersham Health As | Contrast media |
| GB9600427D0 (en) * | 1996-01-10 | 1996-03-13 | Nycomed Imaging As | Contrast 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 |
| US20050147579A1 (en) * | 2002-04-12 | 2005-07-07 | 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)
| 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 |
| DE3577185D1 (de) * | 1984-11-01 | 1990-05-23 | Nycomed As | Paramagnetische kontrastmittel fuer 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 |
| US5055288A (en) | 1987-06-26 | 1991-10-08 | Advanced Magnetics, Inc. | Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides |
| US4827945A (en) * | 1986-07-03 | 1989-05-09 | Advanced Magnetics, Incorporated | Biologically degradable superparamagnetic materials for use in clinical applications |
| 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 |
| DE59107006D1 (de) * | 1990-04-25 | 1996-01-18 | 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 |
-
1992
- 1992-06-01 EP EP92109168A patent/EP0580878B1/de not_active Expired - Lifetime
- 1992-06-01 AT AT92109168T patent/ATE132758T1/de not_active IP Right Cessation
- 1992-06-01 DK DK92109168.2T patent/DK0580878T3/da active
- 1992-06-01 DE DE69207589T patent/DE69207589T2/de not_active Expired - Fee Related
-
1993
- 1993-05-26 JP JP5123637A patent/JPH0647024A/ja active Pending
- 1993-05-28 NO NO931968A patent/NO305012B1/no not_active IP Right Cessation
-
1995
- 1995-02-28 US US08/396,340 patent/US6251366B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NO931968L (no) | 1993-12-02 |
| JPH0647024A (ja) | 1994-02-22 |
| US6251366B1 (en) | 2001-06-26 |
| NO305012B1 (no) | 1999-03-22 |
| EP0580878B1 (de) | 1996-01-10 |
| NO931968D0 (no) | 1993-05-28 |
| DK0580878T3 (da) | 1996-02-12 |
| DE69207589T2 (de) | 1996-05-23 |
| EP0580878A1 (de) | 1994-02-02 |
| DE69207589D1 (de) | 1996-02-22 |
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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 |