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US 2014/0109912 A1Published application
Cushion for a patient interface
AssigneeRIC Investments, LLC
InventorsPETER CHI FAI HO, DERRICK ANDREWS
Life of this patent
Estimating the term…
Abstract
A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has at least one pleat disposed in the cushion in order to provide varying degrees of flexibility and support about the cushion.
Claims1
A patient interface comprising:
- (a) a shell;
- and
- (b) a cushion operatively coupled to the shell, the cushion comprising:
- an apex region;
- a first side region;
- a second side region, wherein the first side region and the second side region extend from the apex region;
- a bottom region disposed between the first e region and the second side region;
- a flap portion;
- a middle portion adjacent the flap portion;
- a connection portion adjacent the middle portion;
- and
- a pleat extending about at least a portion of an outer periphery of the cushion, the pleat including a first pleat portion located at a first position along the outer periphery and a second pleat portion located at a second position along the outer periphery spaced apart from the first position, wherein a greatest depth of the first pleat portion relative to an interior of the cushion is greater than a greatest depth of the second pleat portion relative to an interior of the cushion, and wherein the first pleat portion or the second pleat portion has a generally concave shape.
9 more elements
Dependencies are inferred from the claim text.