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Respiration-controlled cardiac pacemaker

  • US 4,721,110 A
  • Filed: 07/24/1985
  • Issued: 01/26/1988
  • Est. Priority Date: 08/06/1984
  • Status: Expired due to Fees
First Claim
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1. A respiration-controlled cardiac pacemaker comprising:

  • a stimulating pulse generator for generating stimulating pulses at a controllable basic stimulation rate;

    a rheography pulse generator for generating rheography pulses in synchronism and at a predetermined timed interrelationship with said stimulating pulses;

    a respiration detector responsive to said rheography pulses and generating a respiration signal indicative of a patent'"'"'s respiration rate;

    means for providing a predetermined respiration signal-basic stimulation rate-characteristic; and

    control means for controlling said basic stimulation rate of said stimulating pulse generator according to said predetermined respiration signal--basic stimulation rate--characteristic in response to said repiration signal.

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