Methods, systems and devices for non-invasive open...

A - Human Necessities – 61 – M

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A61M 16/08 (2006.01)

Patent

CA 2757588

A non-invasive ventilation system may include an interface. The interface may include at least one gas delivery jet nozzle adapted to be positioned in free space and aligned to direct-ly deliver ventilation gas into an entrance of a nose. The at least one gas delivery jet nozzle may be connected to a pressurized gas supply. The ventilation gas may entrain ambient air to elevate lung pressure, elevate lung volume, decrease the work of breathing or increase airway pressure, and wherein the ventilation gas is deliv-ered in synchrony with phases of breathing. A support for the at least one gas delivery jet nozzle may be provided. A breath sensor may be in close proximity to the entrance of the nose. A patient may spontaneous breathe ambient air through the nose without be-ing impeded by the interface.

Un système de ventilation non invasif peut comporter une interface. L'interface peut comprendre au moins un ajutage de projection de gaz conçu pour être placé à l'air libre et aligné pour envoyer directement le gaz de ventilation à l'entrée du nez. Le ou les ajutages de projection de gaz peuvent être reliés à une alimentation en gaz sous pression. Le gaz de ventilation peut entraîner l'air ambiant de manière à augmenter la pression dans les poumons, à augmenter le volume des poumons, à diminuer le travail de respiration et à augmenter la pression dans les voies respiratoires, le gaz de ventilation étant délivré de manière synchronisée par rapport aux phases de respiration. Un support pour le ou les ajutages de projection de gaz peut être prévu. Un détecteur de respiration peut être prévu à proximité étroite de l'entrée du nez. Un patient peut respirer spontanément l'air ambiant par le nez sans être gêné par l'interface.

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