Nasal devices
US8146589B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2003 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Dec 4, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal delivery device (11) for delivering substance to a nasal airway (1) of a subject, comprising: first and second nosepiece units (17, 19), each including a nosepiece (21, 23) for fitting to respective nostrils of a subject; at least one substance supply unit (13, 15) for supplying substance for delivery to the nasal airway (1) of the subject; and a valve unit (35, 37) for selectively fluidly connecting the at least one substance supply unit (13, 15) alternately to respective ones of the nosepiece units (17, 19).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.