System and method for detecting swallowing activity

A - Human Necessities – 61 – B

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A61B 5/00 (2006.01) A61B 5/11 (2006.01) G06F 17/00 (2006.01)

Patent

CA 2570202

A system and method for detecting swallowing activity is provided. In an embodiment, a method includes receiving an electronic signal from an acceleronic signal from an accelerometer that represents swallowing activity, extracting at least two features from the signal, classifying the signal as a type of swallowing activity based on the extracted features, and generating an output of the classification. Exemplary activities include swallows, aspirations, movement and vocal artifacts. By indicating whether an activity is a swallow or an aspiration, the manner in which a patient afflicted with an increased likelihood for aspirations is fed can be adjusted to increase the likelihood of achieving a swallow instead of an aspiration during feeding. In turn this could reduce hospitalizations for aspiration pneumonia in patients with acute or chronic injury.

Système et méthode pour détecter l'activité de déglutition. Concrètement, la méthode comprend la réception d'un signal électronique d'un accéléromètre qui représente l'activité de déglutition, extrayant au moins deux caractéristiques du signal, classifiant le signal en tant que type d'activité de déglutition sur la base des caractéristiques extraites, et générant une sortie de la classification. Les activités exemplaires comprennent les déglutitions, les aspirations, les artéfacts de mouvement et vocaux. En indiquant si une activité est une déglutition ou une aspiration, la manière selon laquelle un patient, affligé par une vraisemblance accrue des aspirations, est alimenté, peut être réglée pour augmenter la vraisemblance d'effectuer une déglutition au lieu d'une aspiration pendant l'alimentation. Alternativement ceci peut réduire les hospitalisations pour pneumonie par aspiration chez les patients avec blessures aiguës ou chroniques.

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