RESPIRATORY APPARATUS

  • US 20170128689A1
  • Filed: 11/16/2016
  • Published: 05/11/2017
  • Est. Priority Date: 02/04/2013
  • Status: Active Grant
First Claim
Patent Images

1. A foam cushion assembly for a patient interface for providing a pressurised air to a user'"'"'s airway, the foam cushion assembly comprising:

  • a foam cushion portion configured to, in use, seal around at least a portion of the user'"'"'s nose in use; and

    a flexible supporting portion extending along a periphery of the foam cushion portion so as to support the foam cushion portion,wherein the foam cushion portion comprises a sealing surface, at least a portion of the sealing surface including a radially flat region, wherein the sealing surface has a three-dimensional surface contour arranged so that the radially flat region in at least a portion of the sealing surface'"'"'s periphery is inwardly inclined, with respect to a mid-contact plane of the patient interface, for embracing and conforming to a shape of the user'"'"'s face in use, andwherein the sealing surface includes a portion for sealing above a pronasale portion of the user'"'"'s nose in use.

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