Nasal delivery devices
US8511303B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2007 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Oct 1, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An exhalation breath-actuated nasal deliver device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device comprising: a nosepiece for fitting to a nostril of a subject; a mouthpiece through which the subject in use exhales; and delivery unit, as one of a mechanical delivery pump or a nebulizer, for delivering a substance to the nosepiece; and an actuation mechanism 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.