NASAL DELIVERY
5 Assignments
0 Petitions
Accused Products
Abstract
A nasal delivery device for and method of delivering substance to a nasal cavity of a subject, the delivery device comprising: a nosepiece unit including a nosepiece for fitting to a nostril of a subject and a nozzle through which substance is in use delivered, preferably substantially axially to a longitudinal axis of the nosepiece, to the respective nasal cavity, wherein at least a tip element of the nosepiece has, at least in one configuration, an elongate lateral section which has a longer dimension in a first, sagittal direction than a second direction orthogonal to the sagittal direction, such that, when the nosepiece is inserted in the nasal cavity of the subject, the longer dimension of the nosepiece acts to engage lower and upper surfaces of the nasal cavity, preferably at the nasal valve, and expand the same in the sagittal plane; and a delivery unit for delivering substance through the nozzle of the nosepiece.
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Citations
26 Claims
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1. (canceled)
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2. A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising:
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a nosepiece unit including a nosepiece for fitting to a nostril of the subject and a nozzle through which substance is delivered to the nasal cavity, wherein a lateral cross section of at least a tip element of the nosepiece has a longer dimension in a first direction than a second direction orthogonal to the first direction, such that, when the nosepiece is inserted in the nasal cavity of the subject, the longer dimension of the tip element of the nosepiece is substantially aligned with the direction of the sagittal plane of the subject and acts to engage lower and upper surfaces of the nasal cavity and expand the same in the sagittal plane; and a delivery unit for delivering substance through the nozzle of the nosepiece.
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3. A method of treating migraine in a subject by delivering an anti-migraine composition to a nasal cavity of the subject, comprising:
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fitting a nosepiece to one nostril of the subject through which the anti-migraine composition is delivered to the nasal cavity, wherein a lateral cross section of at least a tip portion of the nosepiece has a longer dimension in a first direction than a second direction orthogonal to the first direction, such that the longer dimension of the tip portion of the nosepiece is substantially aligned with the direction of the sagittal plane of the subject and engages lower and upper surfaces of the nasal cavity and expands the nasal cavity in the sagittal plane; the subject exhaling through a mouthpiece to close an oropharyngeal velum of the subject; and delivering the anti-migraine composition through the nosepiece and into the nasal cavity of the subject. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of treating nasal polyps in a subject by delivering a topical nasal steroid to a nasal cavity of the subject, comprising:
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fitting a nosepiece to one nostril of the subject through which the nasal steroid is delivered to the nasal cavity, wherein a lateral cross section of at least a tip portion of the nosepiece has a longer dimension in a first direction than a second direction orthogonal to the first direction, such that the longer dimension of the tip portion of the nosepiece is substantially aligned with the direction of the sagittal plane of the subject and engages lower and upper surfaces of the nasal cavity and expands the nasal cavity in the sagittal plane; the subject exhaling through a mouthpiece to close an oropharyngeal velum of the subject; and delivering the nasal steroid through the nosepiece and into the nasal cavity of the subject. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification