Methods and apparatus for aerosolizing a substance
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United States of America Patent
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Nov 9, 2004
Issued Date -
N/A
app pub date -
Jul 22, 2002
filing date -
Apr 5, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for aerosolizing a liquid includes a chamber having a deformable wall which expands and contracts as fluid is delivered and expelled from a fluid chamber. The chamber is partially bounded by a vibrating structure having holes therein for expelling the fluid. In another aspect, the invention provides exemplary aerosolization apparatus and methods for aerosolizing a substance. A liquid is transferred from a first chamber into a second chamber having a substance that is in a dry state to form a solution. The solution is then transferred from the second chamber and onto an atomization member. The atomization member is operated to aerosolize the solution.
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