Delivery Devices
First Claim
Patent Images
1. A breath-actuated delivery device, comprising:
- a mouthpiece through which a subject in use exhales;
an air channel which is in fluid communication with the mouthpiece; and
a flexible diaphragm which is disposed in the air channel, the diaphragm providing for at least a restricted air flow through the air channel until a predeterminable actuation pressure is developed in the mouthpiece, and, on generation of the predeterminable actuation pressure in the mouthpiece, providing for an air flow through the air channel.
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Accused Products
Abstract
A breath-actuated delivery device includes a mouthpiece through which a subject in use exhales, an air channel which is in fluid communication with the mouthpiece, and a flexible diaphragm which is disposed in the air channel. The diaphragm provides for at least a restricted air flow through the air channel until a predeterminable actuation pressure is developed in the mouthpiece, and, on generation of the predeterminable actuation pressure in the mouthpiece, provides for an air flow through the air channel.
45 Citations
7 Claims
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1. A breath-actuated delivery device, comprising:
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a mouthpiece through which a subject in use exhales; an air channel which is in fluid communication with the mouthpiece; and a flexible diaphragm which is disposed in the air channel, the diaphragm providing for at least a restricted air flow through the air channel until a predeterminable actuation pressure is developed in the mouthpiece, and, on generation of the predeterminable actuation pressure in the mouthpiece, providing for an air flow through the air channel. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification