Method and apparatus for the non-invasive detection of...

Details Method and apparatus for the non-invasive detection of... Method and apparatus for the non-invasive detection of...

A - Human Necessities

61

B

A61B 5/02 (2006.01) A61B 5/0476 (2006.01) A61B 5/103 (2006.01) A61B 5/00 (2006.01) A61B 5/0205 (2006.01) A61B 5/087 (2006.01)

Patent

CA 2401285

A method and apparatus for monitoring an individual for the occurrence of a particular condition during the sleep state of the individual, by applying and external probe (2) to an external surface at a peripheral location on the individual's body, for monitoring the peripheral vascular bed volume of the individual at the peripheral body location and determining the sleep state condition of the individual according to the output of the probe (2). Examples of different sleep state conditions detected in accordance with the described invention include: arousals during the sleep state, periodic legs movement syndrome, apneas, hypopneas, UARS events, a Cheynes-Stokes breathing pattern, and rapid eye movement (REM) stage sleep.

Cette invention a trait à une technique, ainsi qu'à l'appareil correspondant, permettant de surveiller chez un sujet la survenue d'une condition particulière durant l'état de sommeil et ce, par application d'une sonde externe (2) sur une région périphérique du corps dudit sujet, ce qui permet de surveiller le volume du réseau vasculaire périphérique au niveau de cette région périphérique et de déterminer la condition d'état de sommeil en fonction des données de sortie fournies par la sonde (2). Parmi diverses conditions d'état de sommeil détectées grâce aux techniques de cette invention, figurent des réveils, le syndrome du mouvement périodique des jambes, des apnées, des hypopnées, des résistances des voies aériennes supérieures à l'écoulement gazeux, un mode de respiration de Cheynes-Stokes et des phases paradoxales du sommeil.

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