Unobtrusive nasal mask

  • US 10,974,009 B2
  • Filed: 07/07/2020
  • Issued: 04/13/2021
  • Est. Priority Date: 06/02/2009
  • Status: Active Grant
First Claim
Patent Images

1. A positive airway pressure system for treatment of sleep disordered breathing, comprising:

  • a mask with a seal portion that is shaped to seal with a face of a patient around nares of the patient when the mask is worn by the patient, the seal portion defining a first aperture to provide pressurized air from an interior of the mask to a nose of the patient, the seal portion comprising a hanging flexible membrane that surrounds the first aperture and includes;

    a nose tip engagement portion shaped to contact a tip of the nose of the patient when the mask is worn by the patient and being flexible toward a distal portion of the mask when the nose tip engagement portion contacts the nose of the patient;

    an upper lip engagement portion shaped to contact an upper lip region of the patient, a base of the nose of the patient, or both the upper lip region of the patient and the base of the nose of the patient;

    a first nostril engagement flap portion located between the nose tip engagement portion and the upper lip engagement portion on a first side of the mask, the first nostril engagement flap portion including a first stiffer portion integrally formed with the first nostril engagement flap portion, the first stiffer portion being more stiff than each of the nose tip engagement portion and the upper lip engagement portion; and

    a second nostril engagement flap portion located between the nose tip engagement portion and the upper lip engagement portion on a second side of the mask opposite from the first side of the mask, the second nostril engagement flap portion including a second stiffer portion integrally formed with the second nostril engagement flap portion, the second stiffer portion being more stiff than each of the nose tip engagement portion and the upper lip engagement portion; and

    headgear structured to maintain the mask in position on the face of the patient when the mask is worn by the patient, the headgear including;

    a first side headgear portion attachable to the mask at the first side of the mask so that the first side headgear portion extends between a first eye of the patient and a first ear of the patient on a first side of a head of the patient when the mask is worn by the patient; and

    a second side headgear portion attachable to the mask at the second side of the mask so that the second side headgear portion extends between a second eye of the patient and a second ear of the patient on a second side of the head of the patient opposite from the first side of the head of the patient when the mask is worn by the patient.

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