Patent ID: 6488648
Filing Date: 2002-12-03
Classification: A61M

Abstract:
A powdered medicine multi-dose administering device comprising:means for defining a stationary medicine storage chamber (5a) capable of storing a multi-dose amount of powdered medicine; a stationary medicine container unit (5b), formed integrally with said medicine storage chamber (5a) to form a unitary body (1) of the device, provided under the bottom surface of said medicine storage chamber (5a), and capable of containing a single-dose amount of powdered medicine; a movable medicine guiding unit (2) capable of moving between a filling position and an administering position while maintaining contact with the bottom surface of said medicine storage chamber (5a), and, when moved to the filling position, causes said medicine container unit (5b) to be opened to said medicine storage chamber (5a) through opening means (2f) and, when moved to the administering position, causes said medicine container unit (5b) to be closed with respect to said medicine storage chamber (5a) and causes said medicine container unit (5b) to be communicated with the exterior of the device through a pipe (2g, 2d); means (13) operated from the outer side of the device to move said medicine guiding unit (2) between the filling position and the administering position; and a pump unit (3) capable of blowing air into said medicine container unit through a filter (6) provided in the bottom of said medicine container unit (5b); wherein said medicine guiding unit (2), at the filling position, enables said medicine container unit (5b) to be filled with the powdered medicine from said medicine storage chamber (5a) through said opening means, sweeps and meters the powdery medicine in said medicine container unit (5b) into the amount of one time of administering operation as it moves from the filling position to the administering position, and, at the administering position, permits the powdery medicine in said medicine container unit (5b) to be injected out of the device together with the air through said pipe (2g, 2d, 2c) when said pump unit (3) is operated.