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A drug powder inhaler has a cover plate pivotably attached to a lid on an inhaler housing. A lever is pivotably attached to the cover plate. A blister pack disk is rotatably mounted on the housing under the cover plate. A powder duct in the housing extends from a staging chamber underneath one end o

A drug powder inhaler has a cover plate pivotably attached to a lid on an inhaler housing. A lever is pivotably attached to the cover plate. A blister pack disk is rotatably mounted on the housing under the cover plate. A powder duct in the housing extends from a staging chamber underneath one end of the lever to an aerosolizing chamber. An actuator in the housing is pressed to shear open a blister on the blister pack disk and thereby deliver the drug dose contents of the blister into the staging chamber. A switch senses pressure in the mouthpiece and switches on a motor spinning an impeller within the aerosolizing chamber, when inhalation is detected.

대표청구항 ▼

[ We claim:] [1.] An inhaler comprising:a housing;a cover plate pivotably attached to a lid on the housing;a lever pivotably attached to the cover plate, the lever having an actuator end and a blister end;a blister pack disk rotatably mounted on the housing, under the cover plate;a powder duct in th

[ We claim:] [1.] An inhaler comprising:a housing;a cover plate pivotably attached to a lid on the housing;a lever pivotably attached to the cover plate, the lever having an actuator end and a blister end;a blister pack disk rotatably mounted on the housing, under the cover plate;a powder duct in the housing under the blister end of the lever; andan actuator extending through the housing and aligned with the actuator end of the lever.