Patent ID: 8146588

Claim:
A dry powder inhaler comprising: an intake section; a mixing section; and a mouthpiece portion; wherein the intake section and mouthpiece portion each have a longitudinal axis, and air flows through a passage extending from the intake section through the mixing section through the mouthpiece portion, and wherein the mouthpiece portion is structurally configured to engage with the intake section and the mouthpiece portion is movable relative to the intake section, and wherein the inhaler further comprises a joint engaging the mouthpiece portion to the intake section, wherein the mixing section is a chamber which comprises a holder for a capsule having a top keying portion, and the holder is nested inside the chamber, wherein the holder grips the bottom portion of the capsule, and the holder opens the capsule when an angle defined by the longitudinal axis of the intake section and the longitudinal axis of the mouthpiece portion and the joint vertex is a first fixed number of degrees and closes the capsule when the angle defined by the longitudinal axis of the intake section and the longitudinal axis of the mouthpiece and the joint vertex is a second fixed number of degrees.