Cushion to frame assembly mechanism
DC CAFCFirst Claim
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1. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
- a cushion adapted to form a seal by abutting a patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion comprising a face contacting portion with a membrane that contacts the patient'"'"'s face around the patient'"'"'s nose and mouth and a support cushion underlying at least a portion of the membrane;
a frame integrally molded to the cushion, the frame comprising an annular wall surrounding an opening that allows fluid communication of the pressurized gas to an interior of the frame and a second wall surrounding the annular wall and connected to the cushion; and
a skeleton frame removably attached to the frame, the skeleton frame comprising an upper support member adapted to receive a forehead support, a lower frame member comprising headgear attachment locations adapted to receive clips for straps of a headgear assembly, an annular hole adapted to align with the opening, and two frame members interconnecting the upper support member and the lower frame member and forming a substantially triangular open space between the two frame members and the lower frame member, wherein the frame is at least partially accessible through the substantially triangular space.
1 Assignment
Litigations
4 Petitions
Accused Products
Abstract
A full-face mask assembly includes a frame, a cushion provided to the frame, the cushion adapted to form a seal around the patent'"'"'s nose and mouth and a skeleton frame to maintain the cushion to the frame, the skeleton frame including at least one of an upper support member adapted to support a forehead support, lower headgear clip receptacles adapted to be engaged with clips provided to straps of a headgear assembly, and an annular elbow connection seal adapted to engage an inlet conduit.
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Citations
91 Claims
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1. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a cushion adapted to form a seal by abutting a patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion comprising a face contacting portion with a membrane that contacts the patient'"'"'s face around the patient'"'"'s nose and mouth and a support cushion underlying at least a portion of the membrane; a frame integrally molded to the cushion, the frame comprising an annular wall surrounding an opening that allows fluid communication of the pressurized gas to an interior of the frame and a second wall surrounding the annular wall and connected to the cushion; and a skeleton frame removably attached to the frame, the skeleton frame comprising an upper support member adapted to receive a forehead support, a lower frame member comprising headgear attachment locations adapted to receive clips for straps of a headgear assembly, an annular hole adapted to align with the opening, and two frame members interconnecting the upper support member and the lower frame member and forming a substantially triangular open space between the two frame members and the lower frame member, wherein the frame is at least partially accessible through the substantially triangular space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a cushion adapted to form a seal by abutting a patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion comprising a face contacting portion with a membrane that contacts the patient'"'"'s face around the patient'"'"'s nose and mouth and a support cushion underlying at least a portion of the membrane; a frame integrally molded to the cushion, the frame comprising an annular wall surrounding an opening that is adapted to allow fluid communication of the pressurized gas to an interior of the frame and a second wall surrounding the annular wall and connected to the cushion; an inlet elbow to contact the frame and to communicate the pressurized gas to the interior of the frame; and a skeleton frame adapted to be removably engageable with the frame, the skeleton frame comprising an upper support member adapted to receive a forehead support, a lower frame member comprising headgear attachment locations adapted to engage with clips for straps of a headgear assembly, two frame members interconnecting the upper support member and the lower frame member and forming an open space between the two frame members and the lower frame member, wherein the skeleton frame and the frame are adapted to be releasably engageable to one another at the opening, and the frame is at least partially accessible through the open space. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a first frame made of first material; a cushion connected to the first frame, the cushion being adapted to form a seal around a patient'"'"'s nose and mouth and being made from a second material that is more flexible than the first material; and a second frame adapted to constrain the first frame, the second frame comprising an upper support member that supports a forehead support, two lower headgear clip attachments engaged with clips provided to straps of a headgear assembly, an annular connection adapted to engage an elbow of an inlet conduit and an opening located between the annular connection and the upper support member, the opening providing access to the first frame. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a first frame made of first material; a cushion connected to the first frame, the cushion being adapted to form a seal around a patient'"'"'s nose and mouth and being made from a second material that is more flexible than the first material, the first frame and the cushion together forming a breathing chamber; and a second frame adapted to constrain the first frame, the second frame comprising an upper support member adapted to assist with forehead support, two lower headgear clip attachments engaged with clips provided to straps of a headgear assembly, an annular opening adapted to allow an elbow to provide pressurized gas to the patient, and a separate opening located between the annular opening and the upper support member, the separate opening providing access to the first frame while the mask assembly is fully assembled. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a first frame with a first opening adapted to fluidly communicate an interior of the first frame with an inlet conduit, the first frame being made of a first material; a cushion with a side wall and a face contacting portion extending from the side wall, wherein the cushion is over-molded to the first frame to form a cushion/frame sub-assembly and the cushion is adapted to form a seal around a patient'"'"'s nose and mouth, the cushion being made of a second material that is less rigid than the first material; and a second frame adapted to removably interlock with the cushion/frame sub-assembly, the second frame including an upper member configured to provide forehead support; lower portion with a second opening aligned with the first opening so that the inlet conduit fluidly communicates with a breathing chamber formed by the cushion and the first frame, and with headgear attachment structures on opposed lateral sides of the second opening, the headgear attachment structures being adapted to engage with headgear attachments; two elongate frame members that interconnect the upper member and lower portion; and an open space bounded at least in part by the two elongate frame members and the lower portion; wherein the first frame protrudes at least partially through the open space. - View Dependent Claims (52, 53, 54, 55, 56, 57)
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58. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a cushion adapted to form a seal by abutting a patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion comprising a face contacting portion with a sealing portion that contacts the patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion being made of a first material; a frame integrally molded to the cushion, the frame comprising an annular wall surrounding a frame-opening that allows fluid communication of the pressurized gas to an interior of the frame and a second wall connected to the cushion, the frame being made of a second material more rigid than the first material; and a skeleton frame removably attached to the frame, the skeleton frame comprising an upper support member adapted to receive a forehead contacting portion, a lower frame member comprising headgear attachment locations adapted to receive clips for straps of a headgear assembly, an annular hole adapted to align with the frame-opening, and two frame members interconnecting the upper support member and the lower frame member and forming an open space between the two frame members and the lower frame member, wherein the frame is at least partially accessible through the open space. - View Dependent Claims (59, 60, 61, 62, 63, 64)
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65. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a cushion adapted to form a seal by abutting a patient'"'"'s face around the patient'"'"'s nose and mouth, the cushion comprising a face contacting portion with a sealing portion that contacts the patient'"'"'s face around the patient'"'"'s nose and mouth and comprising a first material; a frame integrally molded to the cushion, the frame comprising an annular wall surrounding an opening that is adapted to allow fluid communication of the pressurized gas to an interior of the frame and a second wall surrounding the annular wall and connected to the cushion and comprising a second material that is more rigid than the first material; an inlet conduit in fluid communication with the frame to communicate the pressurized gas to the interior of the frame; and a skeleton frame adapted to be removably engageable with the frame, the skeleton frame comprising an upper support member adapted to receive a forehead contacting portion, a lower frame member comprising attachment locations adapted to engage with clips for straps, two frame members interconnecting the upper support member and the lower frame member and forming an open space between the two frame members and the lower frame member, wherein the skeleton frame and the frame are adapted to be releasably engageable to one another at the opening, and the frame is at least partially accessible through the open space. - View Dependent Claims (66, 67, 68, 69, 70, 71, 72, 73)
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74. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a first frame with a first opening surrounded by a first cylindrical wall and adapted to fluidly communicate an interior of the first frame with an inlet conduit, the first frame being made of a first material; a cushion with a face contacting portion, wherein the cushion is over-molded to the first frame to form a cushion/frame sub-assembly and the cushion is adapted to form a seal around a patient'"'"'s nose and mouth, the cushion being made of a second material that is less rigid than the first material; and a second frame adapted to removably interlock with the cushion/frame sub-assembly, the second frame including; an upper member configured to support a forehead contacting portion, a lower member with a second opening surrounded by a second cylindrical wall and aligned with the first opening so that the first cylindrical wall and the second cylindrical wall at least partially overlap when the first frame and the second frame are assembled, two elongate frame members that interconnect the upper member and lower portion; and an open space bounded at least in part by the two elongate frame members and the lower member; wherein the first frame is accessible through the open space after the first frame is assembled to the second frame. - View Dependent Claims (75, 76, 77, 78, 79, 80)
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81. A mask assembly for treatment of sleep disorder breathing by delivering a flow of pressurized gas to a patient, the mask assembly comprising:
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a first frame made of first material; a cushion connected to the first frame, the cushion being adapted to form a seal around a patient'"'"'s nose and mouth and being made from a second material that is more flexible than the first material, the first frame and the cushion together forming a breathing chamber; and a second frame adapted to constrain the first frame, the second frame comprising an upper member, a lower member with an annular opening adapted to allow an inlet conduit to provide pressurized gas to the patient, and a separate opening located between the annular opening and the upper member, the separate opening providing access to the first frame when the mask assembly is fully assembled, wherein the first frame and the second frame snap-fit together. - View Dependent Claims (82, 83, 84, 85, 86, 87, 88, 89, 90, 91)
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Specification