Patent ID: 7434579
Filing Date: 2008-10-14
Classification: A61M,B65D

Abstract:
1. A dry powder inhaler comprising: a powder dispersion chamber including one or more beads moveable around within the dispersion chamber; an airflow path leading into the dispersion chamber; an elongated tape containing a plurality of spaced apart blisters, with each blister holding a dose of a dry powder pharmaceutical; and blister opening means for sequentially opening the blisters on the elongated tape and releasing the dose of each blister into the airflow path; and a mouthpiece connecting into the dispersion chamber, and a breath trigger that automatically actuates the blister opening means to open a blister when a user of the inhaler inhales on the mouthpiece; wherein the mouthpiece at an open position allows the breath trigger to hold the blister opening means against movement wherein at least one of the one or more beads comes into contact with the powder pharmaceutical as the powder pharmaceutical travels through the dispersion chamber.