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US 2026/0137889 A1Published application
Thermoformed mask
AssigneeFisher & Paykel Healthcare Limited
InventorsJeroen HAMMER, Adam Alexander TEBBUTT, Andrew Chun Mon FAN
Life of this patent
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Abstract
Respiratory masks made of thermoformed EVA foam are provided. A mask can include a seal that contacts a user's face in use and a housing permanently joined to the seal. Both the seal and housing can be made of EVA foam. The seal and housing can be made of EVA foam having different densities. The mask can further include a frame removably or permanently coupled the housing. Headgear can be coupled to the frame and can couple the mask to the user's face in use.
Claims1
A respiratory mask assembly comprising:
- a cushion module comprising:
- a seal portion comprising thermoformed foam;
- a housing comprising thermoformed foam, the seal portion and the housing permanently joined to define a breathing chamber;
- and
- an inlet aperture having a front portion and a back portion, wherein the front portion of the inlet aperture is defined by the housing and the back portion is defined by the seal portion.
2 more elements
Dependencies are inferred from the claim text.