Inhalation device and method
US6138673A · kind A · utility
50Cited by
10References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1997 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Dec 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An inhalation device comprising a chamber having an inlet and an outlet; and an active substance reservoir, wherein the device further includes vacuum means for forming a vacuum in the chamber and valve means arranged to release the vacuum, so that the substance contained in the reservoir is dispersed in the chamber on release of the vacuum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.