Mask system
US11547828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2021 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Dec 17, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mask system includes a frame adapted to attach headgear, a sealing arrangement releasably connectable to the frame, and an elbow provided to the sealing arrangement and adapted to be connected to an air delivery tube that delivers breathable gas to the patient. The sealing arrangement defines a breathing chamber and is adapted to form a seal with the patient's face. The sealing arrangement includes structure to establish a positive connection with the frame and with the elbow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.