Blood pressure algorithm
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United States of America Patent
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Apr 19, 2011
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N/A
app pub date -
Mar 20, 2008
filing date -
Mar 20, 2007
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Abstract
A apparatus and method for non-invasively measuring blood pressure. Cuff pressure and oscillometric signals are generated. The signals are conditioned by a plurality of linear filters to remove artifacts and local trends. Rank-order filters are applied to the conditioned oscillometric signal to detect upper and lower envelops. The systolic blood pressure and diastolic blood pressure are calculated using a plurality of multidimensional threshold vectors.
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