Patent 9539404 was granted and assigned to Fisher & Paykel Healthcare on January, 2017 by the United States Patent and Trademark Office.
A mask with cushion that has an outer film is disclosed. The film may be self-skinning or a film formed about or glued to the cushion body. In another form the cushion may be formed with at least a portion having a plurality of adjacent voids having honeycomb-like structure.