Nasal delivery devices
AssigneeOptiNose AS
InventorsPer Gisle DJUPESLAND, Colin David Sheldrake
Life of this patent
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Abstract
A nasal delivery device for and a method of delivering substance to a nasal airway of a subject, the nasal delivery device comprising a mouthpiece (519) through which the subject in use exhales to cause closure of the oropharyn-geal velum of the subject, a nosepiece (517) for fitting to a nostril of a subject, the nosepiece including a nozzle (549) through which substance is in use delivered to the nasal airway; and a manually-actuatable substance supply unit (520) for delivering substance through the nozzle of the nosepiece.
Claims24
1-38. (canceled)
A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:
- a mouthpiece through which the subject in use exhales to cause closure of the oropharyngeal velum of the subject;
- a nosepiece for fitting to a nostril of the subject;
- a nozzle through which the substance is delivered to the nasal airway;
- a housing including an inlet in fluid communication with the mouthpiece and an outlet in fluid communication with the nosepiece;
- and
- a manually-actuatable substance supply unit which is operable to deliver the substance through the nozzle wherein the substance supply unit comprises a first position and a second position.
A nasal delivery device for delivering a substance to the nasal airway of a subject, comprising:
- a mouthpiece through which the subject in use exhales to cause closure of the oropharyngeal velum of the subject;
- a nosepiece for fitting to a nostril of the subject;
- a nozzle through which the substance is delivered to the nasal airway;
- a housing including an inlet in fluid communication with the mouthpiece and an outlet in fluid communication with the nosepiece;
- and
- a manually-actuatable substance supply unit which is operable to deliver the substance through the nozzle wherein the substance supply unit comprises a first position and a second position;
- wherein the inlet of the housing is blocked when the substance supply unit is in the first position and opened when the substance supply unit is in the second position.
Dependencies are inferred from the claim text.