NASAL MASK SYSTEM
2 Assignments
0 Petitions
Accused Products
Abstract
A mask system includes a cushion for a mask that seals at its upper extent in a region of the nose that is generally above the tip of the nose or pronasale, and extends across a portion of the cartilaginous framework, alar or flares of the patient'"'"'s nose, e.g., not extending over or across the bone nasal bone of the patient'"'"'s nose.
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Citations
38 Claims
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1-26. -26. (canceled)
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27. A nasal mask for delivery of a supply of air to the entrance of a patient'"'"'s airways comprising:
- a superior sealing portion and an inferior sealing portion wherein the superior sealing portion is constructed and arranged to be substantially located on a portion of the cartilaginous framework of the nose, and to form a seal therewith without exerting a sealing force that would restrict a flow of air through the nasal cavity, and
wherein the inferior sealing portion is constructed and arranged to be located in part on a portion of an upper lip of a patient and to direct a sealing force to a portion of a maxilla bone of the patient. - View Dependent Claims (28)
- a superior sealing portion and an inferior sealing portion wherein the superior sealing portion is constructed and arranged to be substantially located on a portion of the cartilaginous framework of the nose, and to form a seal therewith without exerting a sealing force that would restrict a flow of air through the nasal cavity, and
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29. A nasal mask system, comprising:
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a cushion assembly including a sealing region having a nose ridge region, sides of nose region, corners of nose region, and a top lip region adapted to seal around both nares of the patient'"'"'s nose, the nose ridge region adapted to be positioned and seal along a nasal cartilage region which is above the pronasale and below a nasal bone region of the patient'"'"'s nasal bridge, the sealing region including a membrane seal that extends around an entire perimeter of the sealing region and an undercushion that is only provided in the top lip and corners of nose regions. - View Dependent Claims (30, 31)
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32. A nasal mask system, comprising:
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a cushion assembly including a sealing region adapted to seal around both nares of the patient'"'"'s nose, an attachment region adapted to receive an elbow assembly, and a side wall region extending between the sealing region and the attachment region, the sealing region having a nose ridge region, sides of nose region, corners of nose region, and a top lip region, and the side wall region including an area adjacent the top lip region of the sealing region, said area of the side wall region includes a wall thickness that is less than corresponding wall thicknesses of respective side wall regions adjacent the nose ridge, sides of nose, and corners of nose regions of the sealing region - View Dependent Claims (33)
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34. A nasal mask system, comprising:
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a cushion assembly including a sealing region having a nose ridge region, sides of nose region, corners of nose region, and a top lip region adapted to seal around both nares of the patient'"'"'s nose, the sides of nose region including a portion adapted to be positioned and seal substantially on the cartilaginous framework of the patient'"'"'s nose along a region adjacent the junction between the nasal greater alar cartilage and the lateral nasal cartilage of the patient'"'"'s nose. - View Dependent Claims (35, 36, 37)
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38-72. -72. (canceled)
Specification