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Dual sensor rate responsive pacemaker

  • US 5,626,622 A
  • Filed: 09/21/1994
  • Issued: 05/06/1997
  • Est. Priority Date: 09/21/1994
  • Status: Expired due to Term
First Claim
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1. A pacemaker comprising:

  • metabolic rate sensor means for generating a metabolic indicated rate signal dependent on a physiological demand of a patient in response to a physical activity by the patient;

    activity rate sensor means for generating an activity indicated rate signal dependent on an electromechanical measurement indicative of an instantaneous parameter characteristic of said physical activity;

    combining means for generating a time dependent combined rate signal dependent on said metabolic indicated rate, said combining means including transition means for detecting a transition in said physical activity, said metabolic indicated rate being enhanced with said activity indicated rate during said transition; and

    pacing means for generating pacing signals in response to said combined rate.

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