Device for use with the inhalation of powdered materials contained in rod-shaped capsules
US5320095A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1992 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Sep 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a device for use with the inhalation of powdered materials contained in rod-shaped capsules, having two parts (2, 3) which may be pivoted one relative to the other, and provided with a mixing chamber (7) having substantially tangentially directed air inlet openings, said mixing chamber having one end in communication with a mouth piece (6) and the other end in communication with a capsule receiving cavity (26), the latter being formed in conformity with the longitudinal sectional shape of a capsule and having at at least one longitudinal end a passage opening (27) for a transversely (=in the longitudinal direction of the capsule receiving cavity) reciprocating piercing needle, and wherein the part (2) of the device comprising the mouth piece (6) is mounted to pivot relative to the capsule receiving cavity comprising part (3) of the device between a closed ready for use-position and an opened position permitting the insertion of a capsule. In accordance with the invention the mouth piece (6) is integrally formed with the mixing chamber (7), whereas the capsule receiving cavity (26) is provided in a bottom section (25) which closes the mixing chamber (7) in t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.