Breath actuated dry powder inhaler and tape dose strip
US7434579B2 · kind B2 · utility
30Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2004 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Nov 10, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dry powder inhaler, including a powder dispersion engine with one or more beads in a dispersion chamber, an airflow path leading into the dispersion chamber, an elongated tape with spaced apart blisters, each blister holding a dose of a dry powder, and blister opening mechanism that sequentially opens the blisters on the elongated tape and releases the dose of each blister into the airflow path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.