Apparatus for assistance for venting a patient
US6722359B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Feb 17, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/43
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for assisting with ventilating a patient breathing in successive cycles, each of the cycles includes a phase of inhalation and a phase of exhalation. The apparatus includes a pressurized gas source, an outlet orifice of the gas source supplies a stream of pressurized gas. The apparatus also includes a gas stream distribution unit that has a transmission circuit which connects the gas source to a main inhalation pipe. The apparatus further includes an inhalation valve for regulating the gas stream and which is interposed in the transmission circuit and is controlled by a control circuit of the apparatus particularly as a function of the values of the flow rate inhalation valve is produced in the form of a rotary directional-control valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.