NASAL DELIVERY DEVICES
5 Assignments
0 Petitions
Accused Products
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.
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Citations
61 Claims
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1-38. -38. (canceled)
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39. A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:
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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. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A nasal delivery device for delivering a substance to the nasal airway of a subject, comprising:
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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. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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Specification