Powder inhaler with centrifugal force used to meter powder
US5615670A · kind A · utility
52Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for the administration by inhalation of a medicament in dry powder form comprises a medicament reservoir (9) and a medicament metering system (10) including a metering chamber (23) communicable with the reservoir (9), characterized in that the reservoir (9) is mounted in a housing (1) for rotation about an axis and the metering chamber (23) is located radially of the axis, the arrangement being such that the metering chamber (23) is charged with medicament during a charging rotation of the reservoir (9) about the axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.