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Physiological status monitor

  • US 9,750,442 B2
  • Filed: 03/10/2014
  • Issued: 09/05/2017
  • Est. Priority Date: 03/09/2013
  • Status: Active Grant
First Claim
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1. A physiological status monitor responsive to an interconnected sensor, the sensor generates a sensor signal responsive to a physiological phenomenon and a display presents a measured physiological parameter responsive to the phenomenon, the physiological status monitor comprising:

  • a monitor configured to determine a physiological parameter in response to a sensor signal derived from a patient;

    a single screen display incorporated with the monitor so as to display a summary screen corresponding to the physiological parameter;

    a plurality of objects representing historical information regarding the physiological parameter for each of a plurality of patients;

    the summary screen comprising the plurality of objects on the single screen display,wherein each of the plurality of objects comprise a pie chart including;

    a first zone representing a first combined amount of time the physiological parameter is within a first range of values over a monitored time period; and

    a second zone representing a second combined amount of time the physiological parameter is within a second range of values different than the first range of values over the monitored time period, andwherein a ratio of a first display portion associated with the first zone to a second display portion associated with the second zone in each of the plurality of objects is based at least in part on the first combined amount of time, the second combined amount of time, and the monitored time period;

    the single screen display further configured to display a selected patient screen simultaneously with the summary screen, the selected patient screen including patient visualization of a selected patient from the plurality of patients,the patient visualization comprising;

    a first axis corresponding to a time scale, said time scale divided into a plurality of time periods;

    a second axis correspond to a physiological parameter scale;

    a first plot representing a trend of the physiological parameter of the selected patient as with respect to the first axis and the second axis;

    a second plot representing an alarm limit corresponding to the physiological parameter;

    for each of the plurality of time periods;

    a time period pie chart representing a time summary of physiological parameter of the selected patient for the respective plurality of time periods, wherein the time period pie chart is integrated with the first plot and wherein the time period pie charts are connected by a line,wherein the physiological parameter is oxygen saturation; and

    the single screen display is further configured to display a multiple parameter screen for the selected patient, the multiple parameter screen comprising;

    a perfusion index pie chart configured to display historical values of perfusion index of the selected patient over a plurality of perfusion index ranges, each of the plurality of perfusion index ranges including different colors; and

    a pulse rate pie chart configured to display historical values of pulse rate of the selected patient over a plurality of pulse rate ranges, each of the plurality of pulse rate ranges including different colors.

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