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Techniques for blood pressure measurement by implantable device

  • US 7,335,161 B2
  • Filed: 08/20/2004
  • Issued: 02/26/2008
  • Est. Priority Date: 08/20/2004
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • a sensing channel for generating signals reflective of cardiac electrical activity;

    an intravascular pressure sensor for generating blood pressure waveforms;

    a controller interfaced to the sensing channel and the intravascular pressure sensor; and

    ,wherein the controller is programmed to collect a plurality of blood pressure waveforms as digitized sample values, align the collected waveforms by making the time at which each corresponding sample value is collected the same with respect to detected cardiac electrical activity among the collected waveforms, and compute an average blood pressure waveform by averaging corresponding samples of the collected waveforms.

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