Diagnosis of sleep breathing disorders

Details Diagnosis of sleep breathing disorders Diagnosis of sleep breathing disorders

A - Human Necessities

61

B

A61B 5/0472 (2006.01) A61B 5/0205 (2006.01) A61B 5/00 (2006.01) A61B 5/024 (2006.01) A61B 5/0402 (2006.01) A61B 5/05 (2006.01) A61B 5/087 (2006.01)

Patent

CA 2430284

An apparatus, including monitors (11), a selector (12), and chaotic processor (14), and method for identifying the timing of the onset and duration of an event characteristic of sleep breathing disorder while a patient is awake. Chaotic processing techniques analyze data concerning a cardio-respiratory function, such as nasal air flow. Excursions of the resulting signal beyond a threshold provide markers for delivering the average repetition rate for such events that is useful in the diagnosis of obstructed sleep apnea and other respiratory dysfunctions.

Appareil et procédé pour identifier le temps de déclenchement et la durée d'un événement caractéristique de troubles respiratoires durant le sommeil, pendant que le patient est en état de veille. Des techniques de traitement chaotique analysent des données concernant une fonction cardio-respiratoire tel que l'écoulement de l'air par le nez. Les déviations du signal qui en résultent par rapport à un seuil fournissent des marqueurs permettant d'obtenir une vitesse de répétition moyenne pour ces événements, qui est utile pour le diagnostic de l'apnée obstructive durant le sommeil et d'autres dysfonctionnements respiratoires.

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