Patent ID: 8875709

Claim:
A mask assembly adapted for use with a positive airway pressure device, comprising: a mask frame including a neck and a support provided to a free, distal end of the neck; a cushion adapted to contact a patient's face; a forehead support assembly provided to the support of the frame, the forehead support assembly including a forehead pad; and an elbow assembly provided to the frame, the elbow assembly including an elbow and a vent attached thereto, the vent including a plurality of vent holes for gas washout, the neck comprising a first edge and a second edge, wherein the first edge and the second edge comprise a lower converging section wherein the first edge and the second edge converge towards one another in an upward direction and the first edge and second edge comprise an upper converging section wherein the first edge and the second edge converge towards one another in a downward direction, and the mask assembly is configured so that a relatively narrow portion of the neck overlies the bridge of the nose or is between the eyes of a user, the relatively narrow portion being a portion of the neck where a distance between the first edge and second edge is smallest, wherein the forehead support assembly and forehead pad thereof is linearly adjustable with respect to the support such that the forehead support assembly and forehead pad thereof may be adjusted in a number of discrete positions spaced from and relative to a forehead of a user, wherein the frame includes an elbow opening structured to engage with the elbow assembly, and the frame includes an open space above the elbow opening, wherein at least a lower portion of the first edge and the second edge extends below an apex of the cushion, and at least a front side of the open space is provided between the lower portion of the first edge and the second edge extending below the apex of the cushion, and wherein said lower converging section, said relatively narrow portion, and said upper converging section of the neck are positioned (a) above the apex of the cushion and (b) below the support of the frame.