Delivery of gases to the nasal airway
US8910629B2 · kind B2 · utility
61Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2007 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Aug 13, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A delivery device for providing therapeutic gas to the nasal airway of a subject, the delivery device comprising: a nosepiece (21) for fitting to one nostril of the subject; a mouthpiece (23) through which the subject in use exhales and which is fluidly connected to the nosepiece (21); and a scrubber (27) which is operative at least to reduce the concentration of at least one gas from an exhaled breath of the subject as delivered through the mouthpiece (23) and provide a gas flow to the nosepiece (21) which has an increased concentration of at least one other,” therapeutic gas which provides a therapeutic effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.