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...http://www.google.de/patents/US6814071?utm_source=gb-gplus-sharePatent US6814071 - Methods and apparatus for aerosolizing a substance
