INHALATION DEVICE

摘要

A POWDER INHALER FOR ADMINISTERING POWDER BY INHALATION, COMPRISING: A FLOW PATH DEFINED BY A PLURALITY OF SURFACES THROUGH WHICH A STREAM OF GAS IS IN USE DRAWN ON INHALATION BY A USER; AND DOSING MEANS (18) FOR PROVIDING A DOSE OF POWDER TO THE FLOW PATH FOR ENTRAINMENT IN THE STREAM OF GAS; CHARACTERIZED IN THAT THE INHALER FURTHER COMPRISES DISLODGING MEANS FOR DISLODGING ANY POWDER ACCUMULATED ON A SURFACE OF THE FLOW PATH DOWNSTREAM OF THE DOSING MEANS (18).(FIGURE 13)