Patent ID: 6805118
Filing Date: 2004-10-19
Classification: A61M

Abstract:
A pulmonary dosing system for supplying to a patient capable of normal breathing without mechanical assistance a predetermined amount of respirable therapeutically active material, said system comprising a patient interface connected to a flexible inhalation tube and a flexible exhalation tube; a check valve provided in association with said exhalation tube to prevent inhalation therethrough; a first filter having an inlet and an outlet; said exhalation tube being connected to said inlet of said first filter; said outlet of said first filter being in fluid communication with the atmosphere; an apparatus for providing pulsed amounts of said therapeutically active material aerosolized in filtered atmospheric air; said inhalation tube being connected to said apparatus; and a means for pulsing air to entrain said therapeutically active material in a cycle which is triggered by and is synchronous with said patient's unassisted exhalations, for inhalation in conjunction with patient's natural breathing; said pulmonary dosing system designed solely for use independent of a respirator or ventilator.