Patent ID: 6340023
Filing Date: 2002-01-22
Classification: A61M,F16L

Abstract:
An apparatus for delivering a highly concentrated mixture to a patient comprising:a collapsible membrane defining a chamber therein, said membrane further defining a first opening and a second opening in communication with said chamber; a mask defining an enclosure having a first passageway in communication with said first opening; a nebulizer having a body defining a reservoir for holding a liquid therein, said body including an inlet orifice and an outlet orifice, said outlet orifice in communication with said second opening of said membrane; a pressurized gas source containing a pressurized gas, said pressurized gas source in communication with said inlet orifice for providing said pressurized gas to said nebulizer; wherein when said pressurized gas from said pressurized gas source enters said nebulizer, said pressurized gas mixes to form a mixture with said liquid inside said reservoir of said nebulizer, wherein said mixture is forced from said reservoir to said chamber before freely communicating in either direction between said chamber and said mask.