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Method and apparatus for control of A-V interval

  • US 5,411,531 A
  • Filed: 09/23/1993
  • Issued: 05/02/1995
  • Est. Priority Date: 09/23/1993
  • Status: Expired due to Term
First Claim
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1. An electrical medical stimulator, comprising:

  • electrode means for delivery of electrical stimulation to the fat pad associated with the AV node of a human heart;

    means for sensing atrial and ventricular depolarizations of said human heart;

    pulse generator means for generating stimulus pulses and for providing said stimulus pulses to said first electrode means;

    means for sensing the rate at which said human heart is beating;

    means for sensing the durations of the A-V conduction intervals of said human heartmeans for defining a desired A-V conduction interval range as a function of heart rate; and

    control means responsive to said A-V interval sensing means for controlling operation of said pulse generator means to vary the duration of said A-V conduction intervals to fall within said desired interval range.

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