DELIVERY DEVICE AND METHOD
First Claim
1. A delivery device for delivering substance to a mucosal surface within the oral cavity of a subject, the device comprising:
- a mouthpiece unit to be gripped in the mouth of a subject, wherein the mouthpiece unit is configured such that, on exhalation or attempted exhalation by the subject, a pressure is developed in the oral cavity which is such as to close the oropharyngeal velum of the subject; and
an oral outlet unit including at least one substance outlet from which substance is in use delivered to a mucosal surface within the oral cavity of the subject during the exhalation or attempted exhalation by the subject.
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Accused Products
Abstract
A delivery device for and method of delivering substance, in particular a vaccine, to a mucosal surface within the oral cavity of a subject, the device comprising: a mouthpiece unit to be gripped in the mouth of a subject, wherein the mouthpiece unit is configured such that, on exhalation or attempted exhalation by the subject, a pressure is developed in the oral cavity which is such as to close the oropharyngeal velum of the subject; and an oral outlet unit including at least one outlet from which substance is in use delivered to a mucosal surface within the oral cavity of the subject.
41 Citations
1 Claim
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1. A delivery device for delivering substance to a mucosal surface within the oral cavity of a subject, the device comprising:
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a mouthpiece unit to be gripped in the mouth of a subject, wherein the mouthpiece unit is configured such that, on exhalation or attempted exhalation by the subject, a pressure is developed in the oral cavity which is such as to close the oropharyngeal velum of the subject; and an oral outlet unit including at least one substance outlet from which substance is in use delivered to a mucosal surface within the oral cavity of the subject during the exhalation or attempted exhalation by the subject.
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Specification