Unobtrusive nasal mask

  • US 10,265,490 B2
  • Filed: 06/15/2015
  • Issued: 04/23/2019
  • Est. Priority Date: 06/02/2009
  • Status: Active Grant
First Claim
Patent Images

1. A patient interface for delivering breathable gas to a patient, the patient interface comprising:

  • a sealing portion including a nose tip engagement portion adapted to form a seal with the patient'"'"'s nose tip, an upper lip engagement portion adapted to form a seal with the patient'"'"'s upper lip and/or base of the patient'"'"'s nares, and nostril engagement flaps adapted to form a seal with the patient'"'"'s nares; and

    a supporting portion supporting and adding rigidity to at least one of the nose tip engagement portion, the upper lip engagement portion, and the nostril engagement flaps,wherein the supporting portion provides different degrees of rigidity to each of the nose tip engagement portion, the upper lip engagement portion, and the nostril engagement flaps,wherein the nostril engagement flaps and at least part of the supporting portion are configured to be flexed outwardly by the patient'"'"'s nose when the sealing portion is mounted on the patient'"'"'s face, andwherein a free end of each of said nostril engagement flaps curves outwardly.

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