designed by glaxosmithkline, powdered drug inhaler.the diskus® container is covered by a two piece polypropylene case, a polypropylene cover case, a mouthpiece and a lever.this mechanism has a two piece long foil ribbon with each unit dose held in a small caplet along the entire ribbon length. once the lever is activated the dose is advanced by peeling away the flat outermost layer exposing the medication that is ready to be breathed in. the empty strip is separated in a compartment where it is collected by a base wheel. these wheels helps to activate the dose wheel indicator, which tells the user how many doses are left.  
