Patent ID: 8646446
Filing Date: 2014-02-11
Classification: A61M

Abstract:
1. A dry powder inhaler, comprising: a housing; a dose container disk rotatably secured within the housing, wherein the dose container disk comprises opposing upper and lower primary surfaces, a first row of circumferentially spaced apart through apertures associated with dose containers at a first radius and a second row of circumferentially spaced apart apertures associated with dose containers at a second radius; a first flexible sealant residing over the apertures in the upper surface, and a second flexible sealant residing over the apertures in the lower surface, and wherein the dose containers have dry powder therein; and a piercing mechanism configured to serially alternate between rows to pierce the sealants of a respective dose container in the first row, then pierce the sealants of a respective dose container in the second row, wherein the piercing mechanism comprises: