Powder dispersion apparatus, method of making and using the apparatus, and components that can be used on the apparatus and other devices

A powder dispensing apparatus, comprising:

• a support for supporting a powder-containing blister, the blister having at least one wall;
• an outlet for communicating a flow of powder to a user of the apparatus;
• a feed tube communicating with the outlet, the feed tube structured and arranged to deliver powder from the blister to the outlet;
• a deoccluding device arranged within the feed tube, the deoccluding device comprising a bent wire for puncturing the wall of the blister so as to allow an air flow from the blister and into the feed tube, and for deoccluding;
• a blister impacting device comprising at least one arm that impacts the blister;
• and a cutting mechanism configured to create at least one air inlet opening in the wall of the blister, whereby air may be drawn into the blister to aerosolize the powder therein.