Compensation for unmeasurable inspiratory flow in a critical care ventilator
US9358356B2 · kind B2 · utility
1Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2013 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Dec 12, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2016/0042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system and method for operating a ventilator to compensate for external gas flow reaching a patient from an external device, such as a nebulizer. A control unit of the ventilator monitors the gas flow rate from the ventilator and compares the gas flow rate from the ventilator to an expired gas flow rate from the patient. The difference between the inspired flow rate and the expired flow rate is due to the external device. The control unit modifies the operation of the ventilator to compensate for the external gas flow rate such that the flow of gas reaching the patient is maintained at a desired level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.