Nasal delivery
First Claim
1. A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising:
- a nosepiece for fitting to a nostril of a subject, wherein the nosepiece comprises a tip element which includes a delivery aperture from which substance is in use delivered into the nasal cavity, and the tip element is at least in part tapered so as to be inclined to a longitudinal axis of the nosepiece, with the delivery aperture extending both laterally across the tip element and along a longitudinal extent of the tip element in relation to the longitudinal axis, wherein the tip element of the nosepiece has differing lengths adjacent forwardmost and rearwardmost sections thereof;
a nozzle through which substance is in use delivered to the respective nasal cavity; and
a delivery unit for delivering substance through the nozzle of the nosepiece.
6 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 for fitting to a nostril of a subject, wherein the nosepiece comprises a tip element which includes a delivery aperture from which substance is in use delivered into the nasal cavity, and the tip element is at least in part tapered such as to be inclined to a longitudinal axis of the nosepiece, with the delivery aperture extending both laterally across the tip element and along a longitudinal extent of the tip element; a nozzle through which substance is in use delivered, preferably substantially axially to a longitudinal axis of the nosepiece, to the respective nasal cavity; and a delivery unit for delivering substance through the nozzle of the nosepiece.
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Citations
51 Claims
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1. A nasal delivery device for delivering substance to a nasal cavity of a subject, the delivery device comprising:
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a nosepiece for fitting to a nostril of a subject, wherein the nosepiece comprises a tip element which includes a delivery aperture from which substance is in use delivered into the nasal cavity, and the tip element is at least in part tapered so as to be inclined to a longitudinal axis of the nosepiece, with the delivery aperture extending both laterally across the tip element and along a longitudinal extent of the tip element in relation to the longitudinal axis, wherein the tip element of the nosepiece has differing lengths adjacent forwardmost and rearwardmost sections thereof; a nozzle through which substance is in use delivered to the respective nasal cavity; and a delivery unit for delivering substance through the nozzle of the nosepiece. - 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, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A nosepiece for delivering substance to a nasal cavity of a subject, the nosepiece comprising:
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a tip element which includes a delivery aperture from which substance is in use delivered into the nasal cavity, and the tip element is at least in part tapered so as to be inclined to a longitudinal axis of the nosepiece, with the delivery aperture extending both laterally across the tip element and along a longitudinal extent of the tip element in relation to the longitudinal axis, wherein a length of the tip element of the nosepiece adjacent a forwardmost section thereof is greater than a length of the tip element of the nosepiece adjacent a rearwardmost section thereof. - View Dependent Claims (49, 50, 51)
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Specification