Device for the administration of powders
US3980074A · kind A · utility
74Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1975 |
| Grant date | Sep 14, 1976 |
| Priority date | — |
| Expiry date | Oct 16, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for the oral inhalation of large quantities of finely divided powders for bronchoradiography has an elongate housing attached to a container and having air vents situated so that the intake of breath by the user of the device causes a vortex of air within the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.