Dry powder inhalation device

Details Dry powder inhalation device Dry powder inhalation device

A - Human Necessities

61

M

A61M 15/00 (2006.01) A61M 15/02 (2006.01) A61M 16/00 (2006.01)

Patent

CA 2050298

A dry powder inhalation device comprising a housing defining a chamber in communication with a patient port in the form of a mouthpiece or nasal adaptor, and an elongate carrier bearing a powdered medicament, the device being constructed and arranged such that areas of predetermined size of the elongate carrier may sequentially be exposed within the chamber, the device comprising one or more air inlets such that when a patient inhales through the patient port an air flow is established from the air inlet (s) to the patient port through the chamber such that particles of the powdered medicament of respirable size from said exposed area of the elongate carrier are entrained within the air flow. The elongate carrier conveniently comprises a tape having a surface releasably bearing micronised medicament. The tape may be mounted in a removable cassette in a similar manner to a magnetic tape cassette.

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