Loading patent…
AssigneeFisher & Paykel Healthcare Limited
InventorsDaniel John Smith, Brett John Huddart, Matthew James Adams, Nicholas Alexander Hobson, Timothy James Beresford Sharp, Troy Barsten, Gregory James Olsen, Matthew Roger Stephenson, Roheet Patel
Estimating the term…
A patient interface, including a mask assembly and a headgear assembly, provides improved facial sealing and improved ease of use. The mask assembly includes an inflating or ballooning seal. The seal can be secured between two portions of a snap-fit exoskeleton. The headgear assembly connects to the mask assembly with flexible straps during course fitting and with more rigid straps following course fitting. The straps include holes that fit over a tapering post on the mask assembly.
An interface assembly comprising a mask assembly, the mask assembly comprising an endoskeleton, the endoskeleton comprising a central portion, the central portion being delimited by a groove that defines a shoulder, a seal member overlying at least a portion of the endoskeleton, the seal member comprising an opening, at least part of the central portion of the endoskeleton being exposed forwardly through the opening in the seal member, an exoskeleton overlying at least a portion of the seal member, the exoskeleton comprising a rim that defines an opening, the rim and the shoulder interlocking to secure the endoskeleton to the exoskeleton with the seal member secured between the endoskeleton and the exoskeleton, at least part of the central portion of the endoskeleton being exposed forwardly through the opening in the exoskeleton, wherein the seal member is configured to seal the mask assembly to a face of a wearer when the mask assembly is in use.
Dependencies are inferred from the claim text.