Determination of apnea and hypopnea

Details Determination of apnea and hypopnea Determination of apnea and hypopnea

A - Human Necessities

61

B

A61B 7/04 (2006.01) A61B 5/087 (2006.01) A61B 5/113 (2006.01) A61B 7/00 (2006.01)

Patent

CA 2327809

Apparatus for the detection of breathing activity, comprising: a breath sound sensor (6) which produces a breath sound signal responsive to breath sounds of a subject; spectrum producing circuitry which receives the breath sound signal and produces a spectrum of the breath sound signal; averaging circuitry which receives the spectrum and sums or averages the spectrum over a given frequency range to produce a breath sounds power signal.

L'invention concerne un dispositif de détection de l'activité respiratoire comprenant: un détecteur (6) de bruit respiratoire qui produit un signal de bruit respiratoire dépendant des bruits respiratoires d'un sujet; des circuits producteurs de spectre, qui reçoivent un signal de bruit respiratoire et produisent un spectre du signal de bruit respiratoire; des circuits d'établissement de moyenne qui reçoivent ce spectre et calculent une somme ou une moyenne du spectre pour une plage de fréquences afin de produire un signal de puissance des bruits respiratoires.

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