Controllable valve and inhalation device
US7891358B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2006 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Oct 27, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3379
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an improved controllable valve, in particular for an inhalation device, which, e.g., comprises a container for a predetermined aerosol volume, a means for disbursing an aerosol from an aerosol dispenser into the container and a control means that keeps the inhalation flow essentially constant during the entire inhalation. The control means comprises an either continuously or gradually controllable valve so as to limit the flow rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.