Interface comprising a rolling nasal bridge portion
US11883591B2 · kind B2 · utility
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509References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2020 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Oct 1, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0625
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An interface for positive pressure therapy includes a mask assembly, a headgear assembly and a connection port assembly. The mask assembly comprises a seal member that has an upper portion movably connected to an integrated lower portion, wherein the upper portion rolls during hinging movement of the upper portion relative to the lower portion. The headgear assembly allows connection to the mask assembly in a direction substantially normal to a direction of strap tension. The connection port assembly includes a swivel elbow with a valve member that controls flow through a port that opens toward the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.