Delivery device and method
First 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:
- 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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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.
175 Citations
69 Claims
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. 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 for fitting to the mouth of a 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. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 60)
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49-59. -59. (canceled)
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61. 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 for fitting to the mouth of a 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, and at least one reflex-inducing fluid outlet from which a reflex-inducing fluid is in use delivered to the oral cavity of the subject.
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62. A method of delivering substance to a mucosal surface within the oral cavity of a subject, the method comprising the steps of:
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a subject exhaling or attempting to exhale into a mouthpiece unit to develop a pressure in the oral cavity which is such as to close the oropharyngeal velum of the subject; and
delivering substance to a mucosal surface within the oral cavity of the subject. - View Dependent Claims (63, 64, 65, 66, 67, 68)
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69. A method of delivering substance to a mucosal surface within the oral cavity of a subject, the method comprising the steps of:
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providing a delivery device comprising a mouthpiece unit for fitting to the mouth of a subject, and an oral outlet unit including at least one substance outlet from which substance is deliverable;
fitting the mouthpiece unit in the mouth of the subject; and
delivering substance to a mucosal surface within the oral cavity of the subject.
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Specification