Nasal devices
US7543581B2 · kind B2 · utility
106Cited by
5References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Sep 25, 2023 |
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 at least one substance to a nasal cavity of a subject. The nasal delivery device and method includes a delivery unit comprising: a nosepiece for fitting to a nostril of a subject; a mouthpiece through which the subject in use exhales; a breath analyzer for analyzing the concentration of at least one component in exhaled air from an exhalation breath; and a substance supply unit for supply at least one substance, the substance supply unit including a control unit for controlling the same to control supply of at least one substance in response to the detected concentration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.