Nasal seal and respiratory interface
US12364834B2 · kind B2 · utility
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97References
26Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 30, 2020 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Nov 30, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal seal for a respiratory interface comprises a supple lower-nose-receiving center part having a concave shape pre-formed to receive and sealingly contact the tip, lower sides, and base of the nose and sealingly contact the upper lip, and position an aperture for gas flow beneath the nares of wearer. The seal may have resilience or memory towards this preformed shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.