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Method and apparatus based on combination of physiological parameters for assessment of analgesia during anesthesia or sedation

  • US 20050010116A1
  • Filed: 07/07/2003
  • Published: 01/13/2005
  • Est. Priority Date: 07/07/2003
  • Status: Active Grant
First Claim
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1. A method for monitoring a condition of a patient under anesthesia or sedation, the method comprising the steps of:

  • acquiring at least a first signal representing a cardiovascular activity of the patient;

    deriving, from said first signal, at least a first and a second parameter value;

    applying a predetermined mathematical index for probability of patient comfort, in which index said at least first and second parameters are variables;

    calculating successively changing values of said mathematical index; and

    indicating said successive index values.

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