Patent ID: 6938798
Filing Date: 2005-09-06
Classification: A61M,B05B

Abstract:
1. A device for dispensing a substance in fluid or powder form, the device comprising a dispensing orifice ( 10 ), an air blaster ( 20 ) for generating a blast of air when the device is actuated, and at least one reservoir ( 30 ) containing a single dose of substance, said reservoir ( 30 ) having an air inlet ( 31 ) connected to said air blaster ( 20 ), and a substance outlet ( 32 ) connected to said dispensing orifice ( 10 ), said air inlet ( 31 ) being provided with a substance retaining member ( 40 ) for retaining the substance in the reservoir ( 30 ) until it is dispensed, and said substance outlet ( 32 ) being closed off by a closure element ( 50 ), said dispenser device being characterized in that the closure element ( 50 ) is a spherical element force fitted into the substance outlet ( 32 ) of the reservoir ( 30 ), said device further comprising a mechanical opening system ( 60 , 70 , 80 ) having a rigid member engaging said closure element ( 50 ) for ejecting it mechanically from its closure position when the device is actuated.