A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 8/06 (2006.01)
Patent
CA 2585782
A non-invasive method for continuous real-time monitoring of cerebrovascular blood flow autoregulation state includes simultaneous non-invasive monitoring of intracranial blood volume respiratory waves and lung volume respiratory waves, real-time decomposition of intracranial blood volume respiratory waves and lung volume respiratory waves into narrowband sinewave first harmonic components, determination therefrom of the phase shift between intracranial blood volume respiratory wave and lung volume respiratory wave first harmonics' and derivation of cerebrovascular autoregulation state from that phase shift value.
L'invention porte sur une méthode non invasive de surveillance continue en temps réel de l'état d'autorégulation de l'écoulement sanguin cérébrovasculaire, cette méthode consistant à surveiller simultanément de façon non invasive les ondes respiratoires du volume sanguin intracrânien et les ondes respiratoires du volume thoracique, décomposer en temps réel les ondes respiratoires du volume sanguin intracrânien et les ondes respiratoires du volume thoracique en premières composantes d'harmoniques sinusoïdales à bande étroite, déterminer, à partir de là, le déphasage entre la première harmonique de l'onde respiratoire du volume sanguin intracrânien et de l'onde respiratoire du volume thoracique et effectuer la dérivation de l'état d'autorégulation cérébrovasculaire à partir de la valeur de déphasage.
Daubaris Gediminas
Ragauskas Arminas
Hicks Intellectual Property Law
Uab Vittamed
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