MASK SYSTEM
First Claim
1. A mask system for providing respiratory therapy to the airways of a person, the mask system being constructed and arranged to be in surrounding sealing relationship with the nose and mouth of the person in use, the mask system being further constructed and arranged to be used on the person without requiring a forehead support, the mask system including a cushion, said cushion adapted to form a seal on the face of the patient in a nasal bridge region of the face, a side of nose region of the face, a mouth corner region of the face, and a lip region of the face, wherein said cushion is further adapted to form a seal on the nasal bone of the nasal bridge region of a face below the nasion and above the cartilage of the nose, and said cushion further including at least one lateral stabilising portion adapted to direct a force against the side of the nose in the region of the nasal bridge
2 Assignments
0 Petitions
Accused Products
Abstract
A mask system includes a cushion adapted to seal with a face of a patient. In one form an unobtrusive full-face masks system is provided which is comfortable and has a wide fit range. The cushion may include a sealing structure (127-10) and a supporting structure (127-20). The supporting structure may include gaps or spacing in a nasal bridge region (NBR) and/or a lip region CHN.
97 Citations
26 Claims
- 1. A mask system for providing respiratory therapy to the airways of a person, the mask system being constructed and arranged to be in surrounding sealing relationship with the nose and mouth of the person in use, the mask system being further constructed and arranged to be used on the person without requiring a forehead support, the mask system including a cushion, said cushion adapted to form a seal on the face of the patient in a nasal bridge region of the face, a side of nose region of the face, a mouth corner region of the face, and a lip region of the face, wherein said cushion is further adapted to form a seal on the nasal bone of the nasal bridge region of a face below the nasion and above the cartilage of the nose, and said cushion further including at least one lateral stabilising portion adapted to direct a force against the side of the nose in the region of the nasal bridge
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14. A cushion for providing a sealed interface between a face and a frame of a respiratory mask system for delivery of a supply of air at positive pressure to the entrance of the airways of a person, the cushion comprising a sealing portion including:
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a nasal bridge portion adapted to form a seal on a nasal bridge of the person; at least one lateral stabilising portion adapted to provide a force on a side of a nose in the region of the nasal bridge; a corner of mouth region; and a lower lip region; the cushion further comprising a wall portion located between a retention feature of the cushion and the sealing portion, the wall portion having a first cross-sectional profile in a corner of mouth region, and a second cross-sectional profile in a side of nose region. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification