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Patient interface

  • US 9,480,809 B2
  • Filed: 07/29/2008
  • Issued: 11/01/2016
  • Est. Priority Date: 07/30/2007
  • Status: Active Grant
First Claim
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1. A patient interface for delivering breathable gas to a patient, the patient interface comprising:

  • a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient'"'"'s nose in use; and

    headgear to maintain the nasal prong assembly in a desired position on the patient'"'"'s face, the headgear including first and second side straps and respective rigidizers provided to respective side straps such that each of the respective rigidizers is coextensive with a respective side strap at least along a portion of the headgear configured to extend along a side of the patient'"'"'s bead, each of the respective rigidizers providing rigidity to a respective one of the first and second side straps,each rigidizer including a first end portion that provides

         1) a connector structured to engage a respective end of the nasal prong, assembly and

         2) a protrusion that curves inwardly of the connector and forms a cheek support, the cheek support adapted to follow a contour of the patient'"'"'s cheek and guide a respective end portion of the side strap into engagement with the patient'"'"'s cheek to provide a stable cheek support.

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