A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/00 (2006.01)
Patent
CA 2727860
Abstract: The present disclosure relates to systems and methods for detecting features of a signal. According to embodiments, by transposing segments of a signal, such as segments representing pulses in a PPG signal, such that they are stacked next to each other, various characteristics about the signal may be discerned such as information about repetitive features of the signal. According to an embodiment, from a PPG signal respiration information may be determined about individual breaths, blood pressure changes may be determined, and informa-tion about other physiological parameters affecting the PPG signal may be determined. Image
La présente invention concerne des systèmes et des procédés de détection de caractéristiques d'un signal. Dans certains modes de réalisation, en transposant des segments d'un signal, par exemple des segments qui représentent des impulsions d'un signal PPG, de telle sorte quils soient empilés les uns à côté des autres, on peut discerner différentes caractéristiques du signal, par exemple des informations sur des éléments répétitifs du signal. Dans un mode de réalisation, à partir d'un signal PPG, une information sur la respiration peut être déterminée sur des inspirations séparées, des modifications de la pression sanguine peuvent être déterminées ainsi que des informations concernant d'autres paramètres physiologiques qui affectent le signal PPG.
Addison Paul Stanley
Watson James Nicholas
Nellcor Puritan Bennett Ireland
Smart & Biggar
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