Patent ID: 9027556
Filing Date: 2015-05-12
Classification: A61M

Abstract:
1. A mask system for delivery of a supply of gas at positive pressure to a patient for medical treatment, the mask system comprising: a frame module; a cushion module provided to the frame module and adapted to form a seal with the patient's face; an elbow module rotatably attached to the frame module such that the frame module acts as a carrier and bearing surface for the elbow module, the elbow module being rotatably attached to the frame module such that the elbow module is rotatable 360° relative to the frame module in use, and the elbow module being adapted to be connected to an air delivery tube that delivers breathable gas to the patient; and headgear removably attachable to the frame module to assist in maintaining the mask system in a desired adjusted position on the patient's face, wherein: the cushion module includes a main body and a cushion, the main body at least partly defining a breathing chamber, the frame module and the main body having shapes that prevent relative rotation when the frame module is attached to the main body, an outer portion of the main body is exposed and remains uncovered by the frame module when the frame module and the main body are attached, and the main body and cushion together comprise an integrated component, the main body comprising a molded material that interfaces with the frame module and the cushion comprises a molded silicone material adapted to interface with patient's face, and the molded material of the main body is a more rigid material than the molded silicone material of the cushion.