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Pacemaker with patient effort-controlled frequency

  • US 5,330,510 A
  • Filed: 12/22/1992
  • Issued: 07/19/1994
  • Est. Priority Date: 12/31/1991
  • Status: Expired due to Term
First Claim
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1. A pacemaker having a stimulation frequency controlled by the patient'"'"'s effort according to a control parameter computer from the acceleration measured at the level of the patient'"'"'s trunk, comprising first means for measuring acceleration along a first axis, second means for measuring acceleration along a second axis, and third means for measuring acceleration along a third axis, wherein the third axis is perpendicular to said first and second axes, and said first and second axes are perpendicular to one another and parallel to said flat surface, and wherein said first, second and third measuring means operate independently of one another;

  • andmeans for determining said control parameter for controlling the stimulation frequency as a function of the measured acceleration in said first, second and third axes.

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