Breathing assistance apparatus
US11944750B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Apr 21, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3334
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to a breathing assistance apparatus for providing a breathing assistance to a user. The breathing assistance apparatus includes a first/second source configured with a first/second buffer. The first/second fluid is controllably transferred from the first/second source to the first/second buffer using any or combination of a first/second pressure regulators and one or more first/second valves. A mixing chamber configured with the first buffer and the second buffer to receive and mix the first fluid and the second fluid. A delivery tank configured with the mixing tank to controllably receive the third fluid through one or more fourth valves and a third pressure regulator. A user feed mask having an inlet configured with the delivery tank and user's face facilitating breathing assistance to the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.