Delivery devices
First Claim
1. A delivery device for delivering a substance in response to exhalation by a user, the delivery device comprising:
- a mouthpiece adapted for the user to exhale through;
an outlet from which the substance is delivered; and
a dispensing unit operable to dispense a metered amount of the substance through the outlet in response to exhalation by the user through the mouthpiece, wherein the dispensing unit comprises a body member, the body member including a cavity containing the substance, an outlet nozzle fluidly connected to the cavity from which the substance is delivered, and a dispensing member movably disposed in the cavity and configured to be driven through the cavity by a driving pressure created by the exhalation of the user, causing the metered amount of the substance to be delivered from the outlet nozzle;
whereby the exhalation by the user creates an exhalation flow adapted to directly act on the dispensing member.
3 Assignments
0 Petitions
Accused Products
Abstract
A delivery device for delivering a metered amount of substance (L) in response to exhalation by a user, the delivery device comprising: a mouthpiece (5) through which the user in use exhales; an outlet (45) from which substance Is delivered; and a dispensing unit (35) which is operable to dispense a metered amount of substance through the outlet in response to exhalation by the user through the mouthpiece, wherein the dispensing unit comprises a body member (37) which includes a cavity (39) for containing a metered amount of substance, an outlet nozzle (43) which is fluidly connected to the cavity from which substance is in use delivered, and a dispensing (41) member which is movably disposed in the cavity and configured to be driven through the cavity by a driving pressure created by exhalation of the user, such as to cause substance to be delivered from the outlet nozzle.
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Citations
23 Claims
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1. A delivery device for delivering a substance in response to exhalation by a user, the delivery device comprising:
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a mouthpiece adapted for the user to exhale through; an outlet from which the substance is delivered; and a dispensing unit operable to dispense a metered amount of the substance through the outlet in response to exhalation by the user through the mouthpiece, wherein the dispensing unit comprises a body member, the body member including a cavity containing the substance, an outlet nozzle fluidly connected to the cavity from which the substance is delivered, and a dispensing member movably disposed in the cavity and configured to be driven through the cavity by a driving pressure created by the exhalation of the user, causing the metered amount of the substance to be delivered from the outlet nozzle; whereby the exhalation by the user creates an exhalation flow adapted to directly act on the dispensing member. - 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)
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Specification