Synthetic jet based medicament delivery method and apparatus
First Claim
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1. A dry powder inhaler comprising:
- a first chamber for holding a dry powder;
a second chamber connected to the first chamber by a passageway, for receiving an aerosolized form of the dry powder and communicating the aerosolized dry powder to a user; and
a vibrator for driving the dry powder from the first chamber to the second chamber, wherein the dry powder is introduced into the second chamber by synthetic jetting.
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Abstract
A dry powder inhaler consisting of first chamber having an orifice for holding a dry powder and a gas, and a second chamber for receiving a deaggregated form of the dry powder and for communicating the deaggregated dry powder to a user. A synthetic jet drives the dry powder from the first chamber to the second chamber.
70 Citations
44 Claims
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1. A dry powder inhaler comprising:
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a first chamber for holding a dry powder;
a second chamber connected to the first chamber by a passageway, for receiving an aerosolized form of the dry powder and communicating the aerosolized dry powder to a user; and
a vibrator for driving the dry powder from the first chamber to the second chamber, wherein the dry powder is introduced into the second chamber by synthetic jetting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10-29. -29. (canceled)
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30. A dry powder inhaler comprising:
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a first chamber for holding a dry powder;
a second chamber connected to the first chamber by a passageway, for receiving an aerosolized form of the dry powder and communicating the aerosolized dry powder to a user; and
a vibrator for aerosolizing the dry powder, wherein the passageway has an aspect ratio such that dry powder is moved from the first chamber to the second chamber by impulses of gas created by said vibrator. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification