Patient interface systems
First Claim
1. A patient interface structure for delivery of respiratory therapy to a patient, comprising:
- a frame configured to conform to the shape of the patient'"'"'s face;
a mouth cushion provided to the frame, the mouth cushion defining a first breathing chamber and comprising a first sealing surface with a first contact portion configured to contact the patient and seal around the patient'"'"'s mouth when the patient interface structure engages the patient'"'"'s face;
a nasal cushion supported by the mouth cushion, the nasal cushion comprising a second sealing surface with a second contact portion configured to contact the patient and seal around both of the patient'"'"'s nasal airways when the patient interface structure engages the patient'"'"'s face; and
a channel separating the first contact portion from the second contact portion.
4 Assignments
0 Petitions
Accused Products
Abstract
A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient'"'"'s face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient'"'"'s mouth; and a nasal cushion configured to seal the patient'"'"'s nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient'"'"'s nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient'"'"'s face.
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Citations
30 Claims
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1. A patient interface structure for delivery of respiratory therapy to a patient, comprising:
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a frame configured to conform to the shape of the patient'"'"'s face; a mouth cushion provided to the frame, the mouth cushion defining a first breathing chamber and comprising a first sealing surface with a first contact portion configured to contact the patient and seal around the patient'"'"'s mouth when the patient interface structure engages the patient'"'"'s face; a nasal cushion supported by the mouth cushion, the nasal cushion comprising a second sealing surface with a second contact portion configured to contact the patient and seal around both of the patient'"'"'s nasal airways when the patient interface structure engages the patient'"'"'s face; and a channel separating the first contact portion from the second contact portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A patient interface structure for delivery of respiratory therapy to a patient, comprising:
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a frame configured to conform to the shape of the patient'"'"'s face; a mouth cushion provided to the frame, the mouth cushion defining a first breathing chamber and comprising a first sealing surface with a first contact portion configured to contact the patient and seal around the patient'"'"'s mouth when the patient interface structure engages the patient'"'"'s face; a nasal cushion supported by the mouth cushion, the nasal cushion defining a second breathing chamber, the nasal cushion comprising a second sealing surface with a second contact portion configured to contact the patient and seal an exterior of the patient'"'"'s nasal airways when the patient interface structure engages the patient'"'"'s face; and a channel dividing the first and second contact portions. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A patient interface structure for delivery of respiratory therapy to a patient, comprising:
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a frame configured to conform to the shape of the patient'"'"'s face; and a cushion provided to the frame, the cushion comprising a sealing surface with a contact portion configured to sealingly engage the patient'"'"'s face when the patient interface structure engages the patient'"'"'s face, the sealing surface comprising a channel that divides the contact portion into a mouth contact portion and a nasal contact portion, the mouth contact portion being configured to seal around the patient'"'"'s mouth when the patient interface structure engages the patient'"'"'s face and the nasal contact portion being configured to seal around the patient'"'"'s nasal airways without entering the patient'"'"'s nasal airways when the patient interface structure engages the patient'"'"'s face. - View Dependent Claims (27, 28, 29, 30)
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Specification