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System and method for monitoring autonomic balance and physical activity

  • US 7,572,226 B2
  • Filed: 10/28/2003
  • Issued: 08/11/2009
  • Est. Priority Date: 10/28/2003
  • Status: Expired due to Fees
First Claim
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1. An implantable device comprising:

  • an autonomic tone sensor to provide a tone signal as a function of a sympathetic nervous system and as a function of a parasympathetic nervous system for a predetermined period of time;

    an activity sensor to provide an activity signal as a function of physical activity corresponding to the predetermined period; and

    an information processing unit connected to the autonomic tone sensor and connected to the activity sensor and adapted to generate an output signal based upon a relationship between the tone signal and the activity signal, establish a baseline that correlates different tone signals with different activity signals over a predetermined period of time, compare the output signal to the baseline, and classify a patient'"'"'s health status based upon the comparison.

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