Interface assemblies for respiratory therapy
US12220533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2019 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Apr 13, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In some embodiments there is provided a headgear assembly for a full-face under-nose respiratory mask comprising a strap assembly including a rear panel, a crown strap, a pair of opposing upper side straps, and a pair of opposing lower side straps. The assembly further comprises a flexible headgear connector element, wherein a free end of each of the upper straps is coupled to the headgear connector element, and wherein the headgear connector element is configured to extend laterally across and be removably fastened to a frame of the respiratory mask below a tip of a user's nose.There is also provided a respiratory mask assembly comprising a mask frame and a cushion module, the mask frame comprising a breathing gas inlet configured to receive a supply of breathable gas and to deliver the breathable gas to the cushion module, the cushion module being configured to form a seal with a user's face. The mask assembly can further comprise a bias vent in communication with the cushion module, and configured to allow air to be exhausted from the cushion module through the bias vent. the bias vent can be provided with a diffuser comprising diffuser material configured to extend over the bia…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.