Patent ID: 7819119

Claim:
A patient interface for use with a patient, the patient interface comprising: a cushion having a cavity; a shell having an opening in communication with the cavity, the shell having an extension extending from the shell; and a forehead support connected to the extension, the forehead support engaging a forehead of the patient, the forehead support having at least one hinge so that the forehead support may be deformed, wherein the at least one hinge is constructed and arranged such that deformation of the forehead support via the at least one hinge causes a shape of the forehead support to conform to a shape of the patient's forehead, wherein the forehead support is slidably connected to the extension for sliding movement of the forehead support relative to the extension and shell toward and away from the shell into a plurality of forehead support positions, and wherein the patient interface further comprises a forehead support lock that selectively locks the forehead support in a selected one of the plurality of forehead support positions.