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Pulse oximetry system for adjusting medical ventilation

  • US 8,670,811 B2
  • Filed: 06/25/2010
  • Issued: 03/11/2014
  • Est. Priority Date: 06/30/2009
  • Status: Active Grant
First Claim
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1. A noninvasive method of analyzing oxygen saturation of a patient, the method comprising:

  • deriving oxygen saturation values from a patient, the oxygen saturation values reflecting oxygen saturation of blood at a tissue site over a respiration cycle of the patient;

    calculating a difference between a maximum and a minimum of the derived oxygen saturation values over the respiration cycle;

    outputting an indication of the difference between the maximum and the minimum of the derived oxygen saturation values; and

    outputting an indication of a risk of overextension of alveoli of the patient.

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