Patent ID: 8235039

Claim:
A powder inhalator comprising: a housing having a mouthpiece in its front portion; a supply member containing powdered drug for a large number of doses; a drug carrier which moves back and forth between the supply member and the mouthpiece to convey a dose of the powdered drug from the supply member toward the mouthpiece; a protecting cap which detachably fits onto the housing from the front side of the housing; and an operation member which operates the drug carrier by moving back and forth, and which is shaped like a cap so as to cover the housing from the rear side of the housing; wherein an opening for operation is provided at the rear side of the housing; a connector is inserted into the opening to connect the operation member to the drug carrier; and the protecting cap joins at the rear end thereof with the front end of the operation member to envelope the housing when covering the housing with the protecting cap and to prevent erroneous operation of the operation member.