Magnetically assisted sealing arrangement for a patient interface device
US11730908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jul 25, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/088
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A sealing arrangement for use in a patient interface device. The sealing arrangement includes a nasal pillow having a sealing surface structured to sealingly engage a surface of the patient at or about the airway. A first magnetic material is disposed in or the nasal pillow. A carrier member is positioned across a nose of the patient. Finally, a second magnetic material is positioned in or on carrier member. The first magnetic material and the second magnetic material magnetically interact in a manner that the sealing surface of the flexible member toward the surface of the patient responsive to the flexible member being disposed at or about the airway and the second magnetic material is disposed at a corresponding position to interact with the first magnetic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.