Device and method of reducing bias flow in oscillatory...

Details Device and method of reducing bias flow in oscillatory... Device and method of reducing bias flow in oscillatory...

A - Human Necessities

62

B

A62B 9/02 (2006.01) A61M 16/00 (2006.01) A61M 16/22 (2006.01)

Patent

CA 2474428

A device and method of ventilating a patient reduces the bias flow relative to existing oscillatory ventilators. The device has a gas flow circuit comprising an oscillating line (14), a patient line (25) and an exhalation or a return line (67). A gas supply line (18) and an outlet valve (52) are in pneumatic communication with the gas flow circuit. One or more carbon dioxide scrubbers (38, 68) and one or more check valves (20, 42) are provided in the circuit. A method of ventilating using such a device is also disclosed.

Cette invention concerne un dispositif et un procédé de ventilation d'un patient permettant de réduire le flux régulé par rapport à des ventilateurs oscillatoires. Le dispositif comprend un circuit d'écoulement gazeux comportant un conduit oscillant, un conduit d'alimentation et un conduit d'expiration ou un conduit de retour. Une canalisation d'amenée du gaz et une soupape de sortie sont en communication pneumatique avec le circuit d'écoulement gazeux. Le circuit comporte un ou plusieurs épurateurs de CO¿2? et un ou plusieurs clapets anti-retour. Est également décrite une méthode de ventilation à l'aide d'un tel dispositif.

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