Adjustment of endotracheal tube cuff filling

A - Human Necessities – 61 – M

Patent

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A61M 16/04 (2006.01)

Patent

CA 2619687

A method of intubating a subject is disclosed. The method comprises inserting an endotracheal tube into the tracheal airway of the subject; inflating a cuff associated with the endotracheal tube within the airway below the vocal cords; measuring a level of at least one measure being indicative of leakage of secretion past the cuff to the lungs; comparing the level of the measure with an optimal level of the measure; and adjusting inflation of the cuff based on the comparison so as to generally minimize leakage of secretion from above the cuff to the lungs, while minimizing pressure associated damages to the airway. The measure(s) can be carbon dioxide concentration, a proxy measure from which such concentration can be inferred, or the level of one or more additives delivered to a subject during intubation.

La présente invention concerne un procédé permettant d'intuber un patient. Le procédé décrit dans cette invention consiste à introduire un tube endotrachéal dans la trachée d'un patient; à gonfler un ballonnet relié au tube endotrachéal à l'intérieur de la trachée en dessous des cordes vocales; à mesurer le niveau d'au moins une mesure indiquant la fuite de sécrétion devant le ballonnet jusqu'aux poumons; à comparer le niveau de la mesure avec un niveau de mesure optimum; puis à régler le gonflement du ballonnet sur la base du résultat de la comparaison afin de réduire généralement la fuite de sécrétion depuis le haut du ballonnet jusqu'aux poumons, tout en réduisant la pression associée aux endommagements des voies aériennes. La/les mesures peuvent être la concentration de dioxyde de carbone, une variable substitutive à partir de laquelle une telle concentration peut être déduite, ou le niveau d'un ou de plusieurs additifs administrés à un patient au cours de l'intubation.

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