Optical central venous pressure measurement

  • US 10,080,528 B2
  • Filed: 05/19/2015
  • Issued: 09/25/2018
  • Est. Priority Date: 05/19/2015
  • Status: Active Grant
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First Claim
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1. A method for outputting a central venous pressure (CVP) of a person computed by at least one computing device, the method comprising:

  • generating, by the at least one computing device and using a camera associated with the at least one computing device, a video of the person raising their hands;

    generating, by the at least one computing device, a reconstructed video in which motion that results from at least one of veins collapsing in the person'"'"'s arms or a change in pulse is amplified based on detection of the collapsing of veins in the person'"'"'s arms or the change in the person'"'"'s pulse at different spatial frequency bands by processing the video according to one or more video motion amplification techniques;

    measuring, by the at least one computing device, an angle and height of the raised hands, relative to the person'"'"'s heart, in the reconstructed video at a time that corresponds to the collapsing of the veins or the change in pulse;

    computing, by the at least one computing device, the CVP of the person based on the measured angle and height of the raised hands; and

    outputting, by the at least one computing device, digital content indicative of the computed CVP.

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