Diffuser arrangements for a vent of a respiratory interface
AssigneeFisher & Paykel Healthcare Limited
InventorsMatthew Roger Stephenson, Toong Chuo Lim, Thomas Mark Richardson, Kyle Gregory Brown
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Abstract
A diffuser element for use over a vent opening of a breathing assistance apparatus. In some configurations, the diffuser element is formed by knitting or weaving one or more threads together into an interlocking pattern. In some configurations, the diffuser pad has a first surface and an opposing second surface and at least the first surface includes a surface texture. Arrangements for coupling the diffuser element to a structure that defines or carries the vent are also disclosed.
Claims11
A diffuser arrangement for diffusing gases exhausted from a vent of a respiratory interface assembly, comprising:
- a diffuser having a body,
- wherein an entirety of the body is flexible such that the body of the diffuser is configured to conform to a shape of a structure that defines or carries the vent,
- wherein the body is a sleeve that is sized and shaped to cover the vent,
- wherein the sleeve comprises a window configured to engage an alignment feature of the structure that defines or carries the vent,
- wherein the window extends around at least half of a circumference of the sleeve.
Dependencies are inferred from the claim text.