Inhalation device
US5657749A · kind A · utility
34Cited by
0References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to an inhalation device by which powdered material can be inhaled. A plurality of powder containers, each having a powder containing depression therein, may be individually fed to a use station which cooperates with an inhalation means. The inhalation means includes an outlet communicating with the open container by a passage, which passage has a wall means which cooperates with the powder containing depression to define a venturi.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.