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US 2015/0090259 A1Published application
Delivery of gases to the nasal airway
AssigneeOptiNose AS
InventorsPer Gisle DJUPESLAND, Roderick Peter Hafner
Life of this patent
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Abstract
A delivery device for and a method of delivering gases to the nasal airway, in particular therapeutic gases and gases in combination with active substances, either as powders or liquids, for enhanced uptake of the active substances.
Claims8
A delivery device for providing a therapeutic gas to the nasal airway of a subject, the delivery device comprising:
- a nosepiece for fitting to one nostril of the subject;
- a mouthpiece through which the subject in use exhales and which is fluidly connected to the nosepiece;
- and
- a scrubber 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 and provide a gas flow to the nosepiece which has an increased concentration of at least one other, therapeutic gas which provides a therapeutic effect.
1 more element
Dependencies are inferred from the claim text.