Patent ID: 6595209
Filing Date: 2003-07-22
Classification: A24F,A61K,A61M,Y10T

Abstract:
A dry powder delivery system comprising:(a) an elongated tubular housing having proximal and distal ends and a passageway for air flow between the end, the housing being adapted to be connected to a mouth of a user; (b) the distal end having at last one inlet opening through which air can be introduced into the passageway; (c) the proximal end forming a mouth piece with at least one end outlet opening through which air can be withdrawn through the passageway; (d) a resistance member that creates a controlled pressure drop between the distal and proximal ends and a resistance to the drawing of air through the mouth piece, said resistance being such that particles are drawn into the mouth of the user to simulate the action of puffing on a cigarette; and (e) a matrix with a plurality of passageways containing a dry powder being positioned in the flow path, for introducing an amount of particles of the dry powder compound having a therapeutic capability into the flow path in the passageway so that said particles will travel downstream from the resistance member whereby suction created at the proximal end causes air to flow in the passageway and into contact with particles of said dry powder for discharge through the outlet at a low velocity.