DE3431975C2 - - Google Patents
Info
- Publication number
- DE3431975C2 DE3431975C2 DE19843431975 DE3431975A DE3431975C2 DE 3431975 C2 DE3431975 C2 DE 3431975C2 DE 19843431975 DE19843431975 DE 19843431975 DE 3431975 A DE3431975 A DE 3431975A DE 3431975 C2 DE3431975 C2 DE 3431975C2
- Authority
- DE
- Germany
- Prior art keywords
- barium sulfate
- contrast agent
- cmc
- sol
- viscosity
- 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 - Fee Related
Links
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 32
- 239000002872 contrast media Substances 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 238000006266 etherification reaction Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 5
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 10
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- 238000011156 evaluation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000375 suspending agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012267 brine Substances 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 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
- A61K49/04—X-ray contrast preparations
- A61K49/0404—X-ray contrast preparations containing barium sulfate
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843431975 DE3431975A1 (de) | 1984-08-30 | 1984-08-30 | Verfahren zur stabilisierung eines roentgenkontrastmittels, das bariumsulfat umfasst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843431975 DE3431975A1 (de) | 1984-08-30 | 1984-08-30 | Verfahren zur stabilisierung eines roentgenkontrastmittels, das bariumsulfat umfasst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3431975A1 DE3431975A1 (de) | 1986-03-06 |
| DE3431975C2 true DE3431975C2 (cs) | 1993-08-12 |
Family
ID=6244315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843431975 Granted DE3431975A1 (de) | 1984-08-30 | 1984-08-30 | Verfahren zur stabilisierung eines roentgenkontrastmittels, das bariumsulfat umfasst |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3431975A1 (cs) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1201514B (de) * | 1961-03-30 | 1965-09-23 | Apoteckarnes Kemiska Fabriker | Bariumsulfat enthaltendes Roentgenstrahlenkontrastmittel |
| DE2112544A1 (de) * | 1971-03-16 | 1972-10-05 | Fischer Fredi Dr Med | Roentgenkontrastmittel |
-
1984
- 1984-08-30 DE DE19843431975 patent/DE3431975A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3431975A1 (de) | 1986-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |