Nasal Devices
First Claim
Patent Images
1. A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:
- a nosepiece for insertion into a nostril of a subject;
a substance supply unit operable to supply a substance for delivery through the nosepiece; and
a delivery prevention mechanism operable by insertion of the nosepiece into the nostril of the subject and being configured to prevent operation of the substance supply unit until the nosepiece is a sealing fit with the nostril of the subject.
6 Assignments
0 Petitions
Accused Products
Abstract
A nasal delivery device for and a method of delivering a substance to a nasal cavity of a subject, the delivery device including: a nosepiece for fitting to a nostril of a subject; a substance supply unit for supplying a substance for delivery through the nosepiece; and a delivery prevention mechanism for preventing delivery of a substance through the nosepiece until the nosepiece is properly fitted to the nostril of the subject.
110 Citations
45 Claims
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1. A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:
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a nosepiece for insertion into a nostril of a subject; a substance supply unit operable to supply a substance for delivery through the nosepiece; and a delivery prevention mechanism operable by insertion of the nosepiece into the nostril of the subject and being configured to prevent operation of the substance supply unit until the nosepiece is a sealing fit with the nostril of the subject. - View Dependent Claims (2, 3, 4, 7, 11, 13, 17, 19, 21, 22, 24, 31, 32)
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38. A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:
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a nosepiece for fitting to a nostril of a subject through which a gas flow is in use delivered; and a substance supply unit for supplying a substance to the nosepiece for delivery to the nasal cavity of the subject, the substance supply unit including a trigger mechanism for actuating the same on detection of the gas flow having both a predeterminable pressure and a predeterminable flow rate. - View Dependent Claims (39)
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40. (canceled)
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41. A nasal delivery device for delivering a substance to a nasal cavity of a subject, including:
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a nosepiece for insertion into a nostril of a subject; and a flow path fluidly connected to the nosepiece; wherein the nosepiece is expandable and configured such as to expand on generation of a pressure in the flow path, thereby sealing with the nostril of the subject and providing for expansion of the nasal cavity of the subject. - View Dependent Claims (42)
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Specification