Unit dose cartridge and dry powder inhaler
US7464706B2 · kind B2 · utility
80Cited by
86References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2003 |
| Grant date | Dec 16, 2008 |
| Priority date | — |
| Expiry date | Apr 15, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dry powder inhaler having improved aerodynamic properties for diluting, dispersing, and metering drug particles for increasing the efficiency of pulmonary drug delivery to a patient is described. The inhaler comprises, in general, a housing having an air intake, an air flow-control/check-valve, a mixing section and a mouthpiece. A cartridge loaded with a single dose of medicament can be installed in the mixing section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.