DRY POWDER INHALER (DPI) DESIGNS FOR PRODUCING AEROSOLS WITH HIGH FINE PARTICLE FRACTIONS
A dry powder inhaler (DPI) device has a flow passage with a three-dimensional (3D) rod array. The rod array includes multiple rows each having multiple unidirectional rods. The rows are spaced apart along a primary direction of air flow and are staggered. A viewing window to the capsule chamber allo...
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