Continuous dry powder inhaler
US6422236B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2000 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Oct 17, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/6045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An continuous dry powder inhaler arrangement is disclosed, the arrangement being provided with electrostatically dosed medical powder onto an exchangeable dosing member like a cassette or the like for respiratory administration of medicaments into the deep or upper lung airways. The inhaler presents a compact integrated device (8) with a case having a sliding lid (17), which can be set in an open position exposing a mouthpiece (19) or in a closed position. The arrangement further provides dose (18b/18c) counters and a cassette counter (34). In the state with open lid (17) the device is ready to deliver a prepared pre-metered dose of medical powder upon an inhalation via the exposed mouthpiece (19). Medical drugs are in advance dosed as medical powder and carried by an exchangeable dosing means and constitute dry powder substances or dry powder medical formulations prepared for continuous dosing during a preset period of operation. The exchangeable dosing member carries a number of sequentially accessible doses, which are sealed to preserve a controlled storing of powder during the total lifetime of the dosing member. The sealing is cut open during an inhalation process after that t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.