Patent ID: 6824080
Filing Date: 2004-11-30
Classification: A61M

Abstract:
A powdered medicine multi-dose administering device comprising:means for defining a medicine storage chamber (5a) capable of storing a multi-dose amount of powdered medicine; a medicine container unit (5b) provided under the bottom surface of said medicine storage chamber (5a) and capable of containing a single-dose amount of powdered medicine; a medicine guiding unit (2) capable of moving between a filling position and an administering position while remaining in 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) communicated with a hole (5c) formed in the bottom surface of said medicine storage chamber (5a) and moves said medicine guiding unit (2) between the filling position and the administering position; and a pump unit (3) capable of blowing the air into said medicine container unit (5b) through a filter (6a) 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 and, at this moment, said hole (5c) is located at a position where said pump unit (3) is communicated with the exterior through said pipe (2g, 2d); and said medicine guiding unit (2), at the administering position, permits the powdery medicine in said medicine container unit (5b) to be ejected out of the device together with the air through said pipe (2g, 2d) while closing said hole (5c) without joining it to said opening means (2f).