Systems and methods for detecting symptoms of hypoglycemia

  • US 7,052,472 B1
  • Filed: 12/18/2003
  • Issued: 05/30/2006
  • Est. Priority Date: 12/18/2002
  • Status: Active Grant
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First Claim
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1. A system for detecting symptoms of hypoglycemia in a diabetic individual, comprising:

  • a temperature sensing system for producing a temperature signal representative of a skin temperature of the diabetic individual;

    a conductance sensing system for producing a conductance signal representative of a level of perspiration of the diabetic individual;

    a trending system responsive to the temperature signal for producing a slope estimate representative of a rate of change of the skin temperature over a predetermined interval;

    a threshold system responsive to the conductance signal and to the temperature signal for producing a slope threshold representative of a hypoglycemic decline in skin temperature observed over the predetermined interval; and

    an alarm system responsive to the slope estimate and to the slope threshold for producing an indication of the presence of hypoglycemic symptoms.

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