×

Physiological trend monitor

  • US 8,570,167 B2
  • Filed: 07/24/2012
  • Issued: 10/29/2013
  • Est. Priority Date: 01/24/2002
  • Status: Expired due to Term
First Claim
Patent Images

1. An patient monitor configured to receive sensor signals from an optical sensor responsive to attenuation of light by body tissue at a measurement site, the monitor comprising:

  • a processor determining measurement values of a physiological parameter, said measurement values responsive to said sensor signals;

    an alarm indicator receiving smoothed values of said measurement values of said physiological parameter and receiving predictive values of said measurement values of said physiological parameter;

    an alarm; and

    a memory storing first and second criteria, each indicative of alarm conditions, said first criteria being relevant to said smoothed values and said second criteria being relevant to said predictive values,said alarm indicator comparing features to said first criteria, and when said features match said first criteria, triggering said alarm, andsaid alarm indicator comparing features to said second criteria, and when said features match said second criteria, triggering said alarm.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×