Patient interface with venting
US12220528B2 · kind B2 · utility
1Cited by
33References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2020 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Mar 29, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/75
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Interfaces for positive pressure therapy having various vent designs are disclosed herein. The interfaces include a bias flow vent with design geometries that help reduce and/or minimize draft and noise levels of the fluids exiting the vents. Some of the vent designs include particular vent hole geometries, plenum spaces, diffusers and fibrous media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.