Patent ID: 9119929
Filing Date: 2015-09-01
Classification: A61M

Abstract:
1. A cushion for a patient interface adapted to supply gas to a patient comprising: an inner cushion body having at least one outer surface and a cutout at a nasal region of said inner cushion body; an outer cover or film that is applied on to or adhered to all outer surfaces of said inner cushion body, said outer cover or film reinforcing said inner cushion body to reduce the possibility of tearing of said inner cushion body; and an outer sealing sheath in use adapted to engage around or adjacent said inner cushion body to retain said inner cushion body adjacent a mask hollow body, wherein said outer sealing sheath deforms substantially independently of said inner cushion body, and wherein said cutout defines a gap between said nasal region of said inner cushion body and said mask hollow body when said inner cushion body is retained adjacent said mask hollow body by said outer sealing sheath.