Apparatus for mechanically ventilating a patient

A - Human Necessities – 61 – H

Patent

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A61H 31/00 (2006.01)

Patent

CA 2568645

An apparatus for mechanically ventilating a patient is provided to have two separate components movably arranged with respect to one another within a flexible, air-tight covering fit about the torso of a patient. When the components move away from one another within the air-tight covering, negative pressure is generated which causes the patient to draw air into the lungs. Conversely, when the components stop moving away from one another within the air-tight covering, the patient~s natural exhalation recoil takes over to allow the patient to expel the air from within the patient~s lungs. A ventilator for helping a patient such as a premature infant breathe when placed in a chamber, is also provided.

L'invention concerne un appareil destiné à ventiler mécaniquement un patient, qui est équipé de deux composants séparés disposés mobiles l'un par rapport à l'autre dans une enveloppe hermétique souple placée autour du torse du patient. Lorsque lesdits composants s'éloignent l'un de l'autre à l'intérieur de l'enveloppe hermétique, une pression négative se produit qui amène le patient à aspirer l'air dans les poumons. Inversement, lorsque les composants arrêtent de s'éloigner l'un de l'autre à l'intérieur de l'enveloppe hermétique, le recul de l'expiration naturelle du patient prend le relais et permet au patient d'expulser l'air de ses poumons. L'invention concerne en outre un ventilateur destiné à aider un patient, par exemple un prématuré, à respirer lorsqu'il est mis dans une enceinte.

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