Device for flow rate limitation at low differential pressures
US8684002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2010 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Mar 22, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M15/002
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for the flow rate limitation at low differential pressures, in particular for the limitation of the inhalation volume flow during the inhalation of therapeutic aerosols, comprising a housing with at least an inlet opening, at least an outlet opening and a flow channel arranged therebetween, wherein the flow channel is restricted by a flexible wall extending along the flow channel, characterized in that the flexible wall has a control area of less than 100 mm2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.