Method and device for diagnosis using an oscillating airflow

A - Human Necessities – 61 – B

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A61B 5/08 (2006.01) A61B 5/085 (2006.01) A61B 7/00 (2006.01)

Patent

CA 2464443

It has surprisingly been found that nasal NO release is greatly increased by the presence of an oscillating airflow in healthy subjects. Accordingly, a device comprising means for generating and/or maintaining an oscillating airflow is described and suggested for use in the diagnosis of a condition of the upper airways of a human. The invention also encompasses method wherein the concentration and/or flow of at least one gaseous component in nasally exhaled air is determined and recorded in the presence and absence of an oscillating airflow acting on the upper airways or parts thereof.

On a été surpris de découvrir que la libération nasale d'oxyde nitrique (NO) est considérablement augmentée par la présence d'un écoulement d'air chez des sujets sains. Par conséquent, cette invention concerne un dispositif comprenant un organe permettant de générer et/ou de maintenir un flux d'air oscillant et on suggère d'utiliser ce dispositif pour diagnostiquer une pathologie des voies aériennes supérieures d'un patient. Cette invention concerne aussi un procédé dans lequel la concentration et/ou l'écoulement d'au moins un élément gazeux dans l'air expiré par le nez est déterminé et enregistré en présence ou non d'un écoulement d'air oscillant agissant sur les voies aériennes ou des parties de celles-ci.

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