Cushion to frame assembly mechanism
First Claim
1. A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient'"'"'s airways comprising:
- a cushion member that includes a face contacting portion and a resiliently flexible lip;
a frame member; and
a cushion clip member provided to maintain engagement between the cushion member and the frame member,wherein the cushion member and the frame member are repeatedly engageable with and disengageable from one another,wherein a gas chamber bounded by an outer perimeter is formed at least in part by engagement of the cushion member and the frame member,wherein the cushion clip is proximate the outer perimeter, andwherein the resiliently flexible lip is configured to seal between the cushion member and the frame member, and the resiliently flexible lip projects laterally in a direction away from a wall that forms part of a groove in a tongue and groove arrangement and projects towards an interior of the gas chamber, the resiliently flexible lip extending transverse to a direction that the tongue extends into the groove.
2 Assignments
0 Petitions
Accused Products
Abstract
A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient'"'"'s airways including: a cushion member that includes a face contacting portion, a retaining structure and a resiliently flexible lip; and a frame member, wherein the retaining structure and the frame member are repeatedly engageable with and disengageable from one another, wherein a gas chamber is formed at least in part by engagement of the cushion member and the frame member, and wherein the resiliently flexible lip is configured to provide a sealing force between the cushion member and the frame member.
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Citations
17 Claims
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1. A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient'"'"'s airways comprising:
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a cushion member that includes a face contacting portion and a resiliently flexible lip; a frame member; and a cushion clip member provided to maintain engagement between the cushion member and the frame member, wherein the cushion member and the frame member are repeatedly engageable with and disengageable from one another, wherein a gas chamber bounded by an outer perimeter is formed at least in part by engagement of the cushion member and the frame member, wherein the cushion clip is proximate the outer perimeter, and wherein the resiliently flexible lip is configured to seal between the cushion member and the frame member, and the resiliently flexible lip projects laterally in a direction away from a wall that forms part of a groove in a tongue and groove arrangement and projects towards an interior of the gas chamber, the resiliently flexible lip extending transverse to a direction that the tongue extends into the groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification