Nasal delivery devices
US7347201B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Oct 9, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An exhalation breath-actuated nasal delivery device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device comprising: a nosepiece (40) for fitting to a nostril of a subject; a mouthpiece (42) through which the subject in use exhales; and delivery unit (64), as one of a mechanical delivery pump (66) or a nebulizer (115), for delivering a substance to the nosepiece (40); and an actuation mechanism (74) for actuating the delivery unit in response to oral exhalation through the mouthpiece, and preferably when at least one or both of the pressure at or the flow rate through the nosepiece exceeds a predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.