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...http://www.google.com.tw/patents/US7318434?utm_source=gb-gplus-share專利 US7318434 - Synthetic jet based medicament delivery method and apparatus
