Method and apparatus for nuisance alarm reductions

A - Human Necessities – 61 – B

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A61B 5/00 (2006.01) A61B 5/0245 (2006.01) A61B 5/1455 (2006.01) G01D 1/18 (2006.01)

Patent

CA 2305195

A method and apparatus for controlling alarms in medical diagnostic apparatus where an alarm is generated when a measured value for a physiological parameter passes a threshold. The method determines both the amount of time the measured value is past the threshold, and the amount by which the threshold is passed. The alarm is inhibited based upon a combination of (1) the amount of time and (2) how much past the threshold the measured value is. Preferably, the combination is an integral or some function of an integral.

La présente invention concerne un procédé et un dispositif visant à limiter les alarmes des appareils de diagnostic médical donnant lieu à production d'un signal d'alarme dès qu'une valeur mesurée de paramètre physiologique franchit un seuil. Le procédé consiste à calculer le temps écoulé depuis que la valeur mesurée à franchi le seuil et la différence entre la valeur du seuil et la valeur mesurée. L'interdiction d'alarme intervient en fonction d'une combinaison (1) de la durée et (2) du dépassement de la valeur mesurée. Cette combinaison est de préférence une intégrale ou une fonction quelconque d'une intégrale.

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