CUSHION FOR A PATIENT INTERFACE DEVICE
First Claim
1. A cushion (10, 3056) for a patient interface device (8, 46), comprising:
- a patient contacting portion (12, 32 60); and
one or more wall portions (18, 20, 22, 24, 34, 66, 68, 70, 72) adjacent the patient contacting portion, wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the patient contacting portion and the one or more wall portions are made of a material having a hardness of between 5 and 60 on the Shore 00 scale.
1 Assignment
0 Petitions
Accused Products
Abstract
A cushion (10, 30, 56) for a patient interface device includes a patient contacting portion (12, 32, 60) and wall portions (18, 20, 22, 24, 34, 66, 68, 70, 72). The wall portions include a plurality of voids (26, 74) and/or orifices therein. The patient contacting portion and the wall portions may be made of a material having a hardness of between 5 and 60 on the Shore 00 scale. Also, the parts of the wall not having the plurality of voids/orifices provided therein may have a cross-sectional thickness of 4 mm or greater. The voids may include a first void provided in an inner side of a first one of the wall portions and a second void provided in an outer side of the first one of the wall portions. The first void and the second void are positioned across from and overlapping one another.
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Citations
49 Claims
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1. A cushion (10, 3056) for a patient interface device (8, 46), comprising:
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a patient contacting portion (12, 32 60); and one or more wall portions (18, 20, 22, 24, 34, 66, 68, 70, 72) adjacent the patient contacting portion, wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the patient contacting portion and the one or more wall portions are made of a material having a hardness of between 5 and 60 on the Shore 00 scale. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A cushion (10, 30, 56) for a patient interface device (8, 46), comprising:
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a patient contacting portion (12, 32, 60); a connection portion (16, 36, 64) for providing a connection between the cushion and a support structure (7, 52, 58); and a middle portion (14, 34 62) located in between the patient contacting portion and the connection portion, the middle portion having one or more wall portions (18, 20, 22, 24, 66, 68, 70, 72), wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the parts of the one or more wall portions not having the plurality of voids provided therein have a cross-sectional thickness of 4 mm or greater. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A cushion (10, 30, 56) for a patient interface device (8, 46), comprising:
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a patient contacting portion (12, 32, 60); and a middle portion (14, 34 62) located adjacent to the patient contacting portion, the middle portion having one or more wall portions (18, 20, 22, 24, 66, 68, 70, 72), wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the plurality of voids comprise a first void (26A, 74A) provided in an inner side of a first one of the wall portions and a second void (26B, 74B) provided in an outer side of the first one of the wall portions, wherein in a cross-section of the first one of the wall portions the first void and the second void are positioned across from and overlapping one another such that at least a portion of the first void and a portion of the second void are located the same distance from a plane perpendicular to the cross-section and defining a bottom of the middle portion with a section of the middle portion being located between the first void and the second void. - View Dependent Claims (21, 22, 23, 24)
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25. A patient interface device (8, 46) for delivering a flow of breathing gas to an airway of a patient, comprising:
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a support structure (7, 52); a coupling conduit (5, 54) coupled to the support structure; and a cushion (10, 30, 56) coupled to the support structure, the cushion including; a patient contacting portion (12, 32, 60); a connection portion (16, 36, 64) coupled to the support structure; and a middle portion (14, 34 62) located in between the patient contacting portion and the connection portion, the middle portion having one or more wall portions (18, 20, 22, 24, 66, 68, 70, 72), wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the patient contacting portion and the one or more wall portions are made of a material having a hardness of between 5 and 60 on the Shore 00 scale. - View Dependent Claims (26, 27, 28)
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29. A patient interface device (8, 46) for delivering a flow of breathing gas to an airway of a patient, comprising:
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a support structure (7, 52); a coupling conduit (5, 54) coupled to the support structure; and a cushion (10, 30, 56) coupled to the support structure, the cushion including; a patient contacting portion (12, 32, 60); a connection portion (16, 36, 64) coupled to the support structure; and a middle portion (14, 34, 62) located in between the patient contacting portion and the connection portion, the middle portion having one or more wall portions (18, 20, 22, 24, 66, 68, 70, 72), wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the parts of the one or more wall portions not having the plurality of voids provided therein have a cross-sectional thickness of 4 mm or greater. - View Dependent Claims (30, 31, 32)
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33. A patient interface device (8, 46) for delivering a flow of breathing gas to an airway of a patient, comprising:
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a support structure (7, 52); a coupling conduit (5, 54) coupled to the support structure; and a cushion (10, 30, 56) coupled to the support structure, the cushion including; a patient contacting portion (12, 32, 60); a connection portion (16, 36, 64) coupled to the support structure; and a middle portion (14, 34, 62) located in between the patient contacting portion and the connection portion, the middle portion having one or more wall portions (18, 20, 22, 24, 66, 68, 70, 72), wherein the one or more wall portions include a plurality of voids (26, 74) therein, wherein the plurality of voids comprise a first void (26A, 74A) provided in an inner side of a first one of the wall portions and a second void (26B, 74B) provided in an outer side of the first one of the wall portions, wherein in a cross-section of the first one of the wall portions the first void and the second void are positioned across from and overlapping one another such that at least a portion of the first void and a portion of the second void are located the same distance from a plane perpendicular to the cross-section and defining a bottom of the middle portion with a section of the middle portion being located between the first void and the second void. - View Dependent Claims (34, 35, 36)
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37. A patient sealing assembly for a patient interface device (8, 46), comprising:
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a cushion element (80) having one or more wall portions (88, 90, 92, 94), wherein the one or more wall portions include one or more orifices (96) extending completely therethrough; and a sealing flap assembly (82) structured to be coupled to the cushion element, the sealing flap assembly having a sealing flap portion (100) structured to cover the one or more orifices when the sealing flap assembly is coupled to the cushion element. - View Dependent Claims (38, 39, 40, 41, 42, 43)
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44. A cushion (110) for a patient interface device (8, 46), comprising:
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a sealing flap (116); a connection portion (114) for providing a connection between the cushion and a support structure (7, 52, 58); a wall portion (112) located in between the sealing flap and the connection portion, wherein the wall portion includes a plurality of voids (118) therein, wherein the parts of the wall portion not having the plurality of voids provided therein have a cross-sectional thickness of 3 mm or greater and the wherein the sealing flap has a cross-sectional thickness of between 0.1 mm and 0.5 mm. - View Dependent Claims (45, 46)
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47. A cushion (110) for a patient interface device (8, 46), comprising:
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a sealing flap (116); a connection portion (114) for providing a connection between the cushion and a support structure (7, 52, 58); a wall portion (112) located in between the sealing flap and the connection portion, wherein the wall portion includes a plurality of voids (118) therein, wherein the parts of the wall portion not having the plurality of voids provided therein have a cross-sectional thickness T, and wherein the parts of the wall portion having the plurality of voids provided therein have a cross-sectional thickness of between 5% and 9% of T. - View Dependent Claims (48, 49)
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Specification