Device for use with medicinal inhalation devices
US4174712A · kind A · utility
37Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1977 |
| Grant date | Nov 20, 1979 |
| Priority date | — |
| Expiry date | Nov 7, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for use with a medicinal inhalation device comprises a rotationally symmetrical chamber having an opening to be connected to a spray nozzle and a mouthpiece. The chamber diverges conically from the opening and converges towards the mouthpiece. During passage through the chamber, an aerosol mist will lose propellant by evaporation, and smaller particles will be generated which can more readily follow the path of inhalation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.