Pressure-controlled breathing aid

Details Pressure-controlled breathing aid Pressure-controlled breathing aid

A - Human Necessities

61

M

A61M 16/00 (2006.01)

Patent

CA 2199620

The ventilation module (8) regulates the inspiratory pressure (P) according to an inspiratory pressure order (AI). A control module (9) compares the breathed volume at each cycle (VTI) with a minimum volume order (VTImini) and varies the pressure order (AI) in the direction tending to maintain the breathed volume (VTI) just over the minimum (VTImini), but keeping the pressure order (AI) within an interval comprised between the two extreme values (AImini, AImaxi). Utilization to combine the advantages of the pressure mode ventilation with those of the volumetric ventilation.

Le module de ventilation (8) régule la pression inspiratoire (P) d'après une consigne de pression inspiratoire (AI). Un module de commande (9) compare le volume respiré à chaque cycle (VTI) avec une consigne de volume minimum (VTImini) et fait varier la consigne de pression (AI) dans le sens tendant à maintenir le volume respiré (VTI) juste supérieur au minimum (VTImini), sans toutefois faire sortir la consigne de pression (AI) d'un intervalle compris entre deux extremums (AImini, AImaxi). Utilisation pour combiner les avantages de la ventilation en mode de pression et ceux de la ventilation volumétrique.

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