Lung ventilator
US5931159A · kind A · utility
60Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1997 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Jun 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/101
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A lung ventilator for supplying a mixture of oxygen and air to a patient as inspiration gas. The lung ventilator includes a compressor having an intake line for taking in oxygen and gas and supplying a mixture of the oxygen and gas to a main flow line as the inspiration gas to the patient. A recycle line is connected to the main flow line and the intake line of the compressor and a control arrangement is provided for enabling a flow of a portion of the inspiration gas in the main flow line in excess of the inspiration gas utilized by the patient into the recycle line for supply to the intake line of the compressor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.