Methods and apparatus for closed-circuit ventilation therapy

Details Methods and apparatus for closed-circuit ventilation therapy Methods and apparatus for closed-circuit ventilation therapy

A - Human Necessities

61

M

A61M 16/00 (2006.01) A61M 16/22 (2006.01)

Patent

CA 2238013

Methods and apparatus are provided which allow for closed-circuit ventilation for the treatment or diagnosis of disorders. The closed-circuit ventilation apparatus of the present invention (200, 300, 400, 500, 600) provide a closed- circuit respirator that isolates the gas flow path from the ventilator apparatus. This allows the prolonged administration of expensive materials such as fluorochemicals without excessive loss due to evaporation. As such the provided methods and apparatus are particularly applicable to liquid ventilation including partial liquid ventilation and total liquid ventilation.

L'invention concerne un procédé et un dispositif permettant d'effectuer une ventilation en circuit fermé dans le but de diagnostiquer ou de traiter des maladies. Le dispositif de ventilation en circuit fermé selon l'invention (200, 300, 400, 500, 600) consiste en un respirateur à circuit fermé isolant le trajet d'écoulement gazeux du dispositif de ventilation. Ceci permet d'administrer de façon prolongée des substances coûteuses, tels que des produits chimiques fluorés, sans pertes excessives provoquées par l'évaporation. Ce procédé et ce dispositif sont particulièrement appropriés pour effectuer une ventilation à base de liquide, y compris une ventilation partielle et une ventilation totale.

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