A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/00 (2006.01)
Patent
CA 2265586
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.
Procédé et dispositif pour assurer la ventilation des patients pendant une anesthésie générale. Le gaz respiratoire est apporté au patient sous anesthésie à raison d'un volume contrôlé, réglé au-dessus de la capacité résiduelle fonctionnelle des poumons du patient. Lorsque le volume de gaz respiratoire est supérieur à la capacité résiduelle fonctionnelle, le patient peut respirer spontanément. La pression du gaz respiratoire est abaissée périodiquement pour faciliter l'expulsion des gaz contenant du gaz carbonique par le patient. Ce système permet d'assurer la ventilation alvéolaire, l'élimination du gaz carbonique, l'oxygénation et la surveillance respiratoire des patients sous anesthésie générale.
Downs John B.
Smart & Biggar
LandOfFree
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