Patent ID: 8875703
Filing Date: 2014-11-04
Classification: A61M

Abstract:
1. A powder inhaler comprising: a housing having an admission port; a storage member provided in the housing for storing a powder medicament; a medicament-delivery member provided in the housing, the medicament-delivery member comprising at least one concave portion for receiving a predetermined amount of the powder medicament, said at least one concave portion being capable of moving into, relative to the storage member, a receiving position in which the at least one concave portion receives the predetermined amount of powder medicament from the storage member, and an inhalation position in which the powder medicament can be inhaled through the admission port; a stirring member rotatably provided in the storage member for stirring the powder medicament stored in the storage member by the rotation thereof; and an operation button provided in the housing and being capable of moving between an initial position and a depressed position, while the operation button reciprocates between the initial position and the depressed position, the at least one concave portion in the medicament-delivery member moves from the receiving position to the inhalation position and the stirring member operates, wherein the shift of the operation button from the initial position to the depressed position causes the stirring member to rotate, and the shift of the operation button from the depressed position to the initial position causes the at least one concave portion in the medicament-delivery member to move from the receiving position to the inhalation position.