A unit dose dry powder inhaler (20) includes a chamber housing (100) containing a powder dispersion chamber (45). A chamber tube (40) extends from the dispersion chamber into the mouthpiece (32). A cover or cup (26) is rotatably .attached to chamber housing. A dose of a dry powder (92) is contained at a powder locat...

A unit dose dry powder inhaler (10) has a dose unit (36) within an inhaleer housing (15). As the dose unit is pushed into the inhaler housing, a container (46) on the dose unil is opened, releasing a pharmaceutical powder (47) into the housing. The user inhales on a mouthpiece (16). drawing the powder and air into a...