Single high dose dry-powder inhaler and method
US10335560B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2014 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | May 6, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dry-powder inhaler comprising a housing comprising at least one air inlet to a first air passage and a second air passage extending from the first air passage and terminating in a mouthpiece; the housing thereby providing a continuous air passage through the at least one air inlet, the first and second air passages, and the mouth piece; a rigid, fixed, powdered-medicament reservoir comprising a base, the reservoir being associated with the first air passage, and together with the first air passage forming a powder chamber; wherein air passing through the powder chamber travels substantially parallel to an upper surface of the reservoir and powdered-medicament positioned on the base in the reservoir, the upper surface of the reservoir having a surface area, and the reservoir having a volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.