Mask pressure regulation in CPAP treatment and assisted respiration by dynamic control of mask vent flow
US10898672B2 · kind B2 · utility
0Cited by
20References
21Claims
0Family size
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Key dates
| Filing date | Jan 24, 2018 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Apr 29, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/432
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An air delivery system includes an air flow generator to provide a pressurized flow of air, a patient interface to provide a seal with the patient's face in use, an air delivery conduit to interconnect the air flow generator and the patient interface, and a controllable vent valve to control venting from the patient interface. The vent valve is controlled to maintain a substantially constant air flow in the air delivery conduit and the air flow generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.