Patent ID: 9295805
Filing Date: 2016-03-29
CPC Classification: A61M

Claim Text:
1. An elbow assembly comprising: an elbow with an opening in a sidewall of the elbow, the sidewall defining an air flow passage; the airflow passage extending between a first end of the elbow configured to receive pressurized gas and a second end of the elbow configured to be secured to a mask; an anti-asphyxia valve (AAV) assembly provided to the elbow, the sidewall opening of the elbow being configured to receive at least a portion of the AAV assembly so that at least a portion of the AAV assembly is positioned within the air flow passage; and a support member with an opening to atmosphere in an outer surface of the support member, the support member being configured to be secured to a portion of the elbow and cover the sidewall opening of the elbow, the AAV assembly being secured to the elbow by the support member and adapted to selectively close the opening to atmosphere, wherein the support member is configured so that the outer surface of the support member is substantially flush with an outer surface of the elbow when the support member is secured to the portion of the elbow.