Apparatus for providing positive airway pressure to a patient

Details Apparatus for providing positive airway pressure to a patient Apparatus for providing positive airway pressure to a patient

A - Human Necessities

61

M

A61M 16/00 (2006.01) A62B 7/04 (2006.01) F16K 31/26 (2006.01)

Patent

CA 2507254

A system including methods and apparatus for treatment of a medical disorder such as obstructive sleep apnea or congestive heart failure. The system involves applying a gain to flow rate of pressurized gas delivered to a patient during inspiratory and/or expiratory phases of a respiratory cycle to deliver the pressurized gas in proportion to the respective gains during inspiration and/or expiration. A base pressure may be applied in addition to the gain-modified pressures and an elevated pressure profile may be employed to assist or control inspiration. The system may be utilized in connection with conventional continuous positive airway pressure treatments, such as CPAP or bi-level positive airway pressure equipment to effect various beneficial treatment applications.

L'invention concerne un système, qui comprend un procédé et un appareil destinés au traitement d'un trouble médical, tel que l'apnée obstructive du sommeil ou l'insuffisance cardiaque globale. Le procédé consiste à appliquer un gain à un débit de gaz sous pression administré à un patient pendant des phases d'inspiration et/ou d'expiration d'un cycle respiratoire afin d'administrer le gaz sous pression proportionnellement aux gains respectifs obtenus pendant l'inspiration et/ou l'expiration. Une pression d'émission peut être appliquée en sus des pressions modifiées par le gain, et un profil de pression élevée peut être utilisé pour aider à l'inspiration ou la réguler. Le système peut être utilisé en association avec des traitements continus classiques de la pression positive expiratoire mettant en oeuvre, par exemple, un matériel CPAP ou de pression positive expiratoire à deux niveaux.

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