HUP9903207A2 - Medicament carrier with agglomerated large medicament particles and related method of manufacture thereof - Google Patents
Medicament carrier with agglomerated large medicament particles and related method of manufacture thereofInfo
- Publication number
- HUP9903207A2 HUP9903207A2 HU9903207A HUP9903207A HUP9903207A2 HU P9903207 A2 HUP9903207 A2 HU P9903207A2 HU 9903207 A HU9903207 A HU 9903207A HU P9903207 A HUP9903207 A HU P9903207A HU P9903207 A2 HUP9903207 A2 HU P9903207A2
- Authority
- HU
- Hungary
- Prior art keywords
- screen
- interstices
- particles
- medicament
- fibres
- Prior art date
Links
- 239000002245 particle Substances 0.000 title abstract 6
- 239000003814 drug Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
Landscapes
- Medicinal Preparation (AREA)
Abstract
Medicament carrier used in an inhaler comprises a first screen (12) having a surface defining interstices. The screen acts as a carrier and is loaded with \- 1 dose of dry, powdered, agglomerated medicament particles (SM) loaded onto the screen so that the interstices are partially open and free of the particles. The second screen (14) is spaced from the first (12) and also has a surface defining interstices. In use, an air flow entrains and causes initial disintegration of the particles and impacts them onto the second screen where they are further disaggregated into particles of respirable size that move through the interstices of the second screen. The agglomerated particles preferably have a size of 0.05-3.0 mm. The screens are spaced by a similar distance. Each screen may be formed of woven or nonwoven materials. Woven materials include natural fibres, polymeric synthetic fibres, metal fibres or ceramic fibres, which may be surface plasma-treated or metal coated. Nonwoven materials include punched blanks, stamped blanks and photoacid etched materials. The interstices of both screens may be square, round, oval, hexagonal, octagonal, rhomboid or diamond shaped. The interstices of the two screens may be the same or different sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU9903207A HUP9903207A3 (en) | 1997-07-30 | 1997-07-30 | Medicament carrier with agglomerated large medicament particles and related method of manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU9903207A HUP9903207A3 (en) | 1997-07-30 | 1997-07-30 | Medicament carrier with agglomerated large medicament particles and related method of manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUP9903207A2 true HUP9903207A2 (en) | 2000-02-28 |
| HUP9903207A3 HUP9903207A3 (en) | 2000-04-28 |
Family
ID=89999406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU9903207A HUP9903207A3 (en) | 1997-07-30 | 1997-07-30 | Medicament carrier with agglomerated large medicament particles and related method of manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| HU (1) | HUP9903207A3 (en) |
-
1997
- 1997-07-30 HU HU9903207A patent/HUP9903207A3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9903207A3 (en) | 2000-04-28 |
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