WO1994027492B1 - Discrimination entre des formes d'ondes d'impulsions valables et des formes d'ondes d'impulsions artefactuelles - Google Patents

Discrimination entre des formes d'ondes d'impulsions valables et des formes d'ondes d'impulsions artefactuelles

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Publication number
WO1994027492B1
WO1994027492B1 PCT/US1994/004448 US9404448W WO9427492B1 WO 1994027492 B1 WO1994027492 B1 WO 1994027492B1 US 9404448 W US9404448 W US 9404448W WO 9427492 B1 WO9427492 B1 WO 9427492B1
Authority
WO
WIPO (PCT)
Prior art keywords
pulse waveforms
pulse
subject
parameter
predetermined range
Prior art date
Application number
PCT/US1994/004448
Other languages
English (en)
Other versions
WO1994027492A1 (fr
Filing date
Publication date
Application filed filed Critical
Priority to AU69424/94A priority Critical patent/AU6942494A/en
Publication of WO1994027492A1 publication Critical patent/WO1994027492A1/fr
Publication of WO1994027492B1 publication Critical patent/WO1994027492B1/fr

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Abstract

Procédé et appareil d'oxymétrie par impulsions, permettant la discrimination entre des formes d'ondes d'impulsions valables et des formes d'ondes d'impulsions artéfactuelles. Les temps d'ascendance systolique pour des formes d'ondes d'impulsions valables sont compris dans une plage étroite cohérente qui ne varie que faiblement d'un sujet à l'autre. Cette plage étroite, qui peut être définie empiriquement pour chaque sujet ou établie implicitement pour tous les sujets, définit une plage prédéterminée de temps d'ascendance systolique indicateurs de formes d'ondes d'impulsions valables. Le temps d'ascendance systolique de chaque forme d'onde d'impulsion est comparé avec la plage prédéterminée, et les formes d'ondes d'impulsions ne sont considérées valables que si leurs temps d'ascendance systolique se trouvent dans la plage prédéterminée. Seuls les degrés de saturation du sang artériel en oxygène fondés sur des formes d'ondes d'impulsions validées sont acceptés. La présente invention peut également être utilisée pour valider le rythme cardiaque et/ou les intervalles R-R d'un électro-encéphalogramme, et pour effectuer la discrimination entre les états de sommeil et de vieille chez un sujet surveillé.
PCT/US1994/004448 1993-05-21 1994-04-21 Discrimination entre des formes d'ondes d'impulsions valables et des formes d'ondes d'impulsions artefactuelles WO1994027492A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69424/94A AU6942494A (en) 1993-05-21 1994-04-21 Discriminating between valid and artifactual pulse waveforms

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6659393A 1993-05-21 1993-05-21
US08/066,593 1993-05-21

Publications (2)

Publication Number Publication Date
WO1994027492A1 WO1994027492A1 (fr) 1994-12-08
WO1994027492B1 true WO1994027492B1 (fr) 1995-02-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/004448 WO1994027492A1 (fr) 1993-05-21 1994-04-21 Discrimination entre des formes d'ondes d'impulsions valables et des formes d'ondes d'impulsions artefactuelles

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Country Link
US (1) US5588425A (fr)
AU (1) AU6942494A (fr)
WO (1) WO1994027492A1 (fr)

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