Delivery Device and Method
5 Assignments
0 Petitions
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.
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Citations
23 Claims
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1. (canceled)
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2. A delivery device for delivering a substance into an oral cavity of a subject, the device comprising:
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a mouthpiece unit configured such that exhalation or attempted exhalation by the subject into the mouthpiece unit closes the oropharyngeal velum of the subject; an oral outlet unit including at least one substance outlet from which the substance is delivered into the oral cavity of the subject; and a substance supply unit which is actuatable to deliver the substance from the at least one substance outlet. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A delivery device for delivering a substance into the oral cavity of a subject, the device comprising:
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a mouthpiece unit configured to be gripped in a mouth of the subject such that exhalation or attempted exhalation by the subject into the mouthpiece unit closes the oropharyngeal velum of the subject; an oral outlet unit including at least one substance outlet from which the substance is delivered into the oral cavity of the subject; an oral outlet unit positioner comprising a tongue depressor for depressing the tongue of the subject when the mouthpiece unit is gripped in the mouth of the subject. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification