Mask bead for a patient interface
US11305081B2 · kind B2 · utility
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20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2018 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Jun 5, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0616
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a mask bead for a patient interface that comprises a contact area, a nose bridge area having a width (B1), side areas, a base area, and a bearing area on a patient. The bearing area extends from the side areas, the base area and the nose bridge area to a central opening is being designed as a sealing lip which frames the central opening. The mask bead further has a maximum width (B2), the ratio B1 to B2 being one to three or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.