Method and apparatus for breathing during anesthesia
US6123072A · kind A · utility
Inventor
Key dates
| Filing date | Sep 11, 1996 |
| Grant date | Sep 26, 2000 |
| Priority date | — |
| Expiry date | Sep 11, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/432
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus are provided for ventilation of patients during general anesthesia. Breathing gas is supplied to the patient during anesthesia at a controlled volume above the functional residual capacity of the patient's lungs. The patient is allowed to spontaneously respire when the volume of breathing gas is above the functional residual capacity. The pressure of the breathing gas is periodically reduced to facilitate expulsion of carbon dioxide-containing gas from the patient. The system promotes alveolar ventilation, carbon dioxide excretion, oxygenation and respiratory monitoring in patients who receive general anesthesia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.