Electrophysiological monitoring of uterine contractions

Christiaan Peters (Inventor), Rik Vullings (Inventor)

Research output: PatentPatent publication

29 Downloads (Pure)

Abstract

A signal processing arrangement 130, a monitoring system 100, a signal processing method, a monitoring method of monitoring uterine contractions of a pregnant woman, and a computer program product are provided. The signal processing arrangement 130 receives an electrophysiological signal 116 representing uterine muscle activity of a pregnant woman at an input 132. A filter 136 generates a filtered electrohysterogram signal from the electrophysiological signal 116. The filter 136 allows the passage of spectral components between 0 and 3 Hz. A window function applicator 138 applies a window function to the filtered electrohysterogram signal to obtain an output waveform 146. The window function defines that samples of a time interval preceding the application of the window function need to be used The output waveform 146 simulates output data of tocodynamometer or an intra-uterine pressure catheter. The output waveform 146 is provided at an output 144 of the signal processing arrangement.

Original languageEnglish
Patent numberUS2014180169
IPCA61B 5/ 00 A I
Priority date24/12/12
Publication statusPublished - 26 Jun 2014

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