Nasal devices
First Claim
Patent Images
1. A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:
- a disposable interface unit, comprising at least one nosepiece unit for fitting to a respective nostril of a subject, each nosepiece unit comprising a nozzle from which substance is in use delivered, a mouthpiece into which the subject in use exhales, and at least one delivery unit comprising a substance supply unit for delivering substance to the nozzle of the at least one nosepiece unit; and
an actuation unit for actuating the at least one delivery unit of the interface unit in response to exhalation by the subject into the mouthpiece;
wherein the interface unit is disposable separately of the actuation unit.
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Abstract
A nasal delivery device and a method of delivering substance to a nasal airway of a subject, can be used for mass treatment, especially mass vaccination. The delivery device can include an interface unit, as a replaceable unit, having at least one nosepiece unit for fitting to a respective nostril of a subject, a nozzle from which substance is in use delivered, and at least one delivery unit having a substance supply unit for delivering substance to the nozzle of the at least one nosepiece unit. The delivery device can also include an actuation unit for actuating the at least one delivery unit of the interface unit.
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Citations
20 Claims
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1. A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:
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a disposable interface unit, comprising at least one nosepiece unit for fitting to a respective nostril of a subject, each nosepiece unit comprising a nozzle from which substance is in use delivered, a mouthpiece into which the subject in use exhales, and at least one delivery unit comprising a substance supply unit for delivering substance to the nozzle of the at least one nosepiece unit; and an actuation unit for actuating the at least one delivery unit of the interface unit in response to exhalation by the subject into the mouthpiece; wherein the interface unit is disposable separately of the actuation unit. - View Dependent Claims (2, 3, 5, 6, 7, 8, 9, 10, 11, 12)
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4. A nasal delivery device for delivering substance to a nasal airway of a subject, comprising:
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a disposable interface unit, comprising (i) first and second nosepiece units for fitting to respective nostrils of a subject, each nosepiece unit comprising a nozzle from which substance is in use delivered, and (ii) first and second delivery units, each delivery unit comprising a substance supply unit for delivering substance to the nozzle of the respective nosepiece unit; and an actuation unit for actuating the delivery units of the interface unit in response to exhalation by the subject; wherein the interface unit is disposable separately of the actuation unit. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification