Nasal devices
US8596278B2 · kind B2 · utility
62Cited by
19References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Mar 3, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal delivery device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device comprising: a delivery unit for delivering a flow entraining a substance to one nostril of a subject, the delivery unit including a nosepiece for fitting to a nostril of the subject; and a flow resistor unit for fitting to the other nostril of the subject, the flow resistor unit including a progressive resistor for progressively providing an increasing flow resistance to the delivered flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.