Unobtrusive nasal mask
First Claim
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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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Accused Products
Abstract
A patient interface for delivering breathable gas to a patient includes 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. The nose tip engagement portion, the upper lip engagement portion, and the nostril engagement flaps are all structured to extend or curve outwardly from a supporting wall defining an air path.
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Citations
40 Claims
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1. A patient interface for delivering breathable gas to a patient, the patient interface comprising:
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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, and wherein a free end of each of said nostril engagement flaps curves outwardly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A patient interface for delivering breathable gas to a patient, the patient interface comprising:
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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 pinch the patient'"'"'s nose to form a seal with the patient'"'"'s nares; and a supporting portion supporting the sealing portion, the sealing portion being connected to the supporting portion on side portions of the sealing portion, and the sealing portion being spaced apart from the supporting portion on front and rear portions of the sealing portion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A patient interface for delivering breathable gas to a patient, the patient interface comprising:
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a sealing portion including a nose tip engagement portion adapted to engage with the patient'"'"'s nose tip; and a supporting portion supporting the sealing portion, the supporting portion being connected to the sealing portion on two side portions of the sealing portion, and the supporting portion being spaced apart by a gap from the sealing portion at the nose tip engagement portion, the nose tip engagement portion including a front stretch portion adapted to stretch to fit and seal with the patient'"'"'s nose tip, wherein the front stretch portion is between cantilever portions adapted to provide a reactive force against the flares of the patient'"'"'s nose. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification