Patent ID: 8944061
Filing Date: 2015-02-03
Classification: A61M

Abstract:
1. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising: a cushion adapted to form a seal by abutting a patient's face around the patient's nose and mouth, the cushion comprising a face contacting portion with a membrane that contacts the patient's face around the patient's nose and mouth and a support cushion underlying at least a portion of the membrane; a frame integrally molded to the cushion, the frame comprising an annular wall surrounding an opening that allows fluid communication of the pressurized gas to an interior of the frame and a second wall surrounding the annular wall and connected to the cushion; and a skeleton frame removably attached to the frame, the skeleton frame comprising an upper support member adapted to receive a forehead support, a lower frame member comprising headgear attachment locations adapted to receive clips for straps of a headgear assembly, an annular hole adapted to align with the opening, and two frame members interconnecting the upper support member and the lower frame member and forming a substantially triangular open space between the two frame members and the lower frame member, wherein the frame is at least partially accessible through the substantially triangular space.