Method and apparatus for providing a constant medicine dose for an inhalic application at low inhalic flow
US6463929B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2000 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Mar 17, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0233
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a method of and a device for providing a predetermined constant medicament dose for an inhalational administration at a low inhalation flow rate, a closed container 11 is provided which is reducible in terms of volume and comprises a mouthpiece 12 for receiving a predetermined volume of a quantity of medicated aerosol, which is preferably inhalable in one breath, wherein the container 11 is compressed under air-flow control in a direction towards the mouthpiece 12 for preparation of the filling operation, subsequently a means for powder aerosol production is connected to the mouthpiece 12, and finally the container is filled at a high flow rate by air-flow controlled expansion of the container for the introduction of air through the powder aerosol generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.