Patent ID: 8973581
Filing Date: 2015-03-10
Classification: A61M,Y10S

Abstract:
1. A patient interface for use as part of a system for delivering a supply of gases to a patient comprising: a hollow body adapted to locate onto the face of a user in use, said hollow body including an aperture passing from the inside of said hollow body to the outside, an elbow connector that connects between said aperture and said supply of gases, so that in use the inside of said hollow body is in fluid communication with said supply of gases through said elbow connector, said elbow connector having a funnel located within said elbow connector, and at least one outlet bias hole, said funnel adapted so that in use a substantial portion of gases expired from said patient pass through said funnel and pass out of said patient interface through said at least one outlet bias hole, said funnel extending within said connecting member and shielding said at least one outlet bias hole from gases supplied to said patient by said supply of gases, said funnel molded within the interior of said elbow connector, said funnel located in and extending along that portion of said elbow connector which is substantially vertical when said patient is lying on his or her back wearing said patient interface, said funnel extending from said at least one bias hole to a point at or close to said connection between said elbow connector and said hollow body.