Device for dispensing a plurality of unitary doses of dry powder, and inhaler comprising such device
US9056175B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2011 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Dec 18, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F33/841
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Device for dispensing a plurality of unitary doses (2) of dry powder, includes at least one support comprising conduits each defining a flow path for an airstream carrying one of the unitary dose (2), the support having first (26) and second (27) members secured to one another so that a first conduit portion (29) of the first member faces a second conduit portions (43) of the second member to define one of the conduits, and a first separation portion (30) of the first member faces a second separation portions (45) of the second member, the support comprising a plurality of barrier-forming elements (31, 46) each arranged between corresponding first (30) and second (45) separation portions to prevent dry powder from passing from one of the conduits to one of the adjacent conduits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.