Patent ID: 7611078
Filing Date: 2009-11-03
Classification: A61M,G01G,Y10T

Abstract:
1. A method of producing a powdered medicine multi-dose administering device which includes a container ( 10 ) capable of storing a multi-dose amount of powdered medicine and having, in the bottom portion thereof, a hole ( 10 a ) for containing a single-dose amount of the medicine and a first filter-fitting portion ( 11 a ), a first filter ( 12 ) fitted into the first filter-fitting portion, a second hole ( 10 b ) and a second filter-fitting portion ( 11 b ) provided in the bottom portion of the container, a second filter ( 13 ) coarser than the first filter ( 12 ) being fitted to the second filter-fitting portion, an inner cylinder ( 15 ) capable of being rotated between a filling position and an administering position while maintaining contact with the inner bottom surface of the container, an inner closure ( 19 ) having a center hole for rotatably supporting an upper part of the inner cylinder and for closing an opening at the upper end of the container being fitted to the inner periphery of the opening at the upper part of the container, and a nozzle ( 20 ) coupled to the upper end of the inner cylinder so as to transmit the rotation, rotatably fitted to the outer periphery of the opening at the upper part of the container and having a medicine discharge passage ( 20 a ), wherein, at the filling position, the powdered medicine in the container is supplied to the medicine-containing hole ( 10 a ) through an opening ( 17 ) in the inner cylinder and the second filter and the second hole are communicated with the medicine passage ( 18 ) in the inner cylinder and, at the administering position, the air is blown into the medicine-containing hole ( 10 a ) through the first filter, so that the medicine in the medicine-containing hole is discharged to the exterior through a medicine passage ( 18 ) of the inner cylinder and the medicine discharge passage ( 20 a ) of the nozzle; said method of producing a powdered medicine multi-dose administering device comprising the steps of: inserting the second filter ( inserting the first filter ( inserting the inner cylinder ( filling the container with the powdered medicine; inserting the inner closure ( fitting the nozzle (