Patent ID: 6644309
Filing Date: 2003-11-11
Classification: A61M,B05B

Abstract:
A medicament respiratory delivery device, comprising:a tubular pressure member having a pressure member outlet; a stopper received in said tubular pressure member in sealed relation and reciprocable in said tubular pressure member toward said pressure member outlet; a valve having an outlet and an inlet in fluid communication with said pressure member outlet; a medicament dosing member having a chamber therein including a chamber inlet in fluid communication with said valve outlet and chamber outlet, an aerosolizable medicament in said chamber and membranes sealing said chamber inlet and outlet; whereby movement of said stopper in said tubular pressure member generates fluid under pressure at said pressure member outlet and opening of said valve releases fluid under pressure into said chamber inlet, opening said membranes and expressing said aerosolizable medicament in said chamber through said chamber outlet of said medicament dosing member.