Patent ID: 8251059
Filing Date: 2012-08-28
Classification: A61M

Abstract:
1. A powder inhaler, comprising: a housing having an admission port on one end; a supplier having a drug-discharging hole, provided inside the housing with a capacity sufficient to contain plural doses of a fine powder drug; a drug carrier having a measurement concave portion for receiving a single dose of the drug from the drug-discharging hole, the drug carrier being supported inside the housing while being movable between a drug-receiving position for allowing drug supply from the drug-discharging hole to the measurement concave portion, and a drug-inhalation position for allowing drug inhalation from the measurement concave portion through the admission port; a cover cap pivotably mounted to the housing; at least one first engagement section formed on the cover cap; and at least one second engagement section formed on the housing to transmit vibration to the supplier, and that is engaged with the first engagement section by pivoting the cover cap and thereby vibrating the supplier, wherein the supplier and the drug carrier are arranged such that the vibration transmitted to the supplier makes the fine powder drug travel from the supplier to the measurement concave portion; and the first engagement section and the second engagement section each have at least one convex portion, the supplier vibrates as a result of moving the convex portions in contact with each other.