Patent ID: 9446209
Filing Date: 2016-09-20
CPC Classification: A61M

Claim Text:
1. A single-dose, disposable inhalation device for inhalation of a pre-metered dry powder drug by a patient, comprising: a body having an upper portion and a lower portion, the body defining a toroidal disaggregation chamber, the upper portion including an air intake passage and an exit passageway, a bottom portion of the toroidal disaggregation chamber being within the lower portion and containing the dry powder; and a removable partition disposed between the upper portion and the lower portion, the partition retaining the dry powder within the bottom portion of the toroidal disaggregation chamber when the upper portion and lower portion are coupled together, the air intake passage configured to place an external volume in fluid communication with the toroidal disaggregation chamber when the partition is removed; and the exit passageway configured to place the external volume in fluid communication with the toroidal disaggregation chamber when the partition is removed such that upon the inhalation by the patient on the exit passageway, air is drawn from the air intake passage to the toroidal disaggregation chamber and on to the exit passageway to convey the dry powder via the exit passageway to the patient.