Method and equipment for analysing biological signals representing intercranial pressure and blood pressure variations

The invention concerns a system for representing and analysing pressure variables comprising pressure sensors [blood pressure, intracardiac pressure], means for processing signals delivered by said sensors and means for displaying variations of said signals, the processing means including a pluralit...

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Bibliographic Details
Main Author LEMAIRE JEAN-JACQUES
Format Patent
LanguageEnglish
Published 12.08.2004
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
DIAGNOSIS
ELECTRIC DIGITAL DATA PROCESSING
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
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Summary:The invention concerns a system for representing and analysing pressure variables comprising pressure sensors [blood pressure, intracardiac pressure], means for processing signals delivered by said sensors and means for displaying variations of said signals, the processing means including a plurality of inputs for receiving analog signals from different sensors. The invention is characterised in that each input is connected to a sampling circuit supplying a digital signal used by a calculator to carry out processing operations including: re-sampling of the displayed or recorded signals, analysing the frequency of said sampled signal relative to a range of target frequencies recorded in a storage unit, displaying and recording temporal variations of the signals corresponding to slow waves, determining the lag between the slow waves of the signals corresponding to two distinct inputs.
Bibliography:Application Number: US20040484565