Patent ID: 6647982
Filing Date: 2003-11-18
Classification: A61M,A62B,F16K,G05D,Y10T

Abstract:
A gas flow device for delivering a flow of medical oxygen at a prescribed dosage from a pressurized supply vessel to a patient, comprising:an outer body formed from a unitary piece of a first material, the first material having a first burning point in the presence of pressured pure oxygen, the outer body having an integrated yoke matable to a pressurized supply vessel and an inner cavity formed in the outer body, the outer body and the inner cavity bounded by an inner wall of the outer body; an inner core having a pressure reducing element and an oxygen flow path from the pressured supply vessel through the pressure reducing element, the flow path bounded by a second material, the second material having a second burning point in the presence of pressurized pure oxygen that is higher than the first burning point, the inner core substantially enclosed within the inner cavity; and a securing mechanism to secure the inner core within the outer body.