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US 11,077,277 B2Granted
Interface including a foam cushioning element
AssigneeResMed Pty Ltd
InventorsLee James Veliss, Renee Frances Doherty, Scott Alexander Howard, Alicia Kristianne Wells, Fiona Catherine Carroll, David Mark Gilliver, Brett Thomas Lindsay
Life of this patent
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Abstract
A respiratory mask assembly includes a frame having a channel and a cushioning element including a clip portion adapted for interference seal and removable retention in the channel. The cushioning element includes an interfacing portion constructed from foam and adapted to contact the patient's face in use. The interfacing portion may have a wider width than the clip portion.
Claims29
A respiratory mask system, comprising:
- a frame;
- and
- an interfacing structure comprising:
- a full-face foam cushioning element having a foam material configured to directly contact a patient's face to form a seal therewith in use;
- and
- an attachment portion formed as a separate component distinct from and directly attached to the foam cushioning element and arranged to be removably attachable to the frame, the attachment portion being configured to retain the interfacing structure to the frame and form a seal with an entire perimeter of the frame,
- wherein the attachment portion includes an attachment surface that is directly attached to the foam cushioning element,
- wherein the foam cushioning element is attached to the attachment portion only along the attachment surface of the attachment portion,
- wherein the attachment surface forms a continuous attachment strip around a periphery of the foam cushioning element, and wherein respective inner perimeter surfaces of the foam cushioning element and attachment portion are offset.
6 more elements
Dependencies are inferred from the claim text.