Continuous flow augmentation of ventilation

Details Continuous flow augmentation of ventilation Continuous flow augmentation of ventilation

A - Human Necessities

62

B

A62B 7/06 (2006.01) A61M 16/00 (2006.01) A61M 16/10 (2006.01) A62B 7/00 (2006.01) A61M 16/04 (2006.01)

Patent

CA 2074520

The present invention provides a system for augmenting ventilation and removing carbon dioxide of a spontaneous-brea- thing patient (P) and a method of use thereof. The system further allows relaxation of the breathing process thus reducing fatigue of the patient. The system involves providing a high continuous flow of a humidified oxygen/air mixture at a predetermined oxy- gen content and at a constant flow rate through a transtracheal catheter (10) into the lungs of the patient. The system typically provides an oxygen/air mixture of at least 21 percent oxygen, at a humidity between 80 to 100 percent, and a temperature of 35° to 38 °C. The mixture is delivered through the transtracheal catheter (10) at a flow rate of 8 to 20 liters per minute at a back pres- sure of 2 to 25 psi.

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