Breath actuated dry powder inhaler and tape dose strip

A method for operating a dry powder inhaler, providing a dry powder inhaler, said dry powder inhaler comprising a dose tape having spaced apart doses of a powder pharmaceutical, each dose being in a respective sealed blister, said inhaler comprising a blister opening system which sequentially opens a blister on the tape, said blister opening system being breath actuated, the method comprising the steps of:

• routing the dose tape between first and second rotating elements;
• spring biasing the first rotating element to turn in a first direction;
• holding the first rotating element from rotating against the spring biasing;
• and
• triggering the release of the first rotating element by inhaling through the inhaler.

A method for operating a dry powder inhaler, comprising the steps of:

• providing the dry powder inhaler, which comprises a dose tape having spaced apart doses of a powder pharmaceutical, each dose being in a separately sealed blister, the inhaler comprising a blister opening mechanism for sequentially opening each sealed blister on the tape, wherein the blister opening mechanism is breath actuated;
• routing the dose tape between first and second rotating elements;
• spring biasing the first rotating element to turn in a first direction;
• holding the first rotating element from rotating against the spring biasing;
• and
• actuating the blister opening mechanism and triggering the release of the first rotating element by inhaling through the inhaler.