Apparatus for the administration of continuous positive airway pressure therapy

Vorrichtung zur Durchführung einer Cpap-Behandlung

Appareil pour effectuer un traitement par CPAP

Abstract

The apparatus centers on a driver (30) used in conjunction with a gas delivery. The driver (30) includes a valve (34), adapted to receive gas from a source, for regulating the flow of gas to the delivery device (10) in response to a control signal. A controller (36), connected to the valve (34), generates the control signal so that the valve (34) periodically modifies the flow of gas, thereby injecting a sigh cycle. A sensor (46) is connected to sense the airway pressure and generate a pressure signal representative of the airway pressure. The controller (36) periodically modifies the flow of gas in response to this pressure signal. It is especially preferred to initiate a sigh cycle when a drop in airway pressure is sensed.

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Patent Citations (3)

    Publication numberPublication dateAssigneeTitle
    US-4301793-ANovember 24, 1981Thompson Harris SSigh producing mechanism for positive pressure respirator
    US-5193532-AMarch 16, 1993Moa Conny P G, Nilsson Kjell ODevice for generating by means of ejector action a continuous positive airway pressure (cpap) during spontaneous breathing
    US-5865173-AFebruary 02, 1999Sunrise Medical Hhg Inc.Bilevel CPAP system with waveform control for both IPAP and EPAP

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