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ATRIAL AND VENTRICULAR DEMAND PACER WITH SEPARATE ATRIAL AND VENTRICULAR BEAT DETECTORS

  • US 3,747,604 A
  • Filed: 12/06/1971
  • Issued: 07/24/1973
  • Est. Priority Date: 12/15/1969
  • Status: Expired due to Term
First Claim
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1. A pacer comprising terminal means for connection to a patient'"'"''"'"'s heart for atrial stimulation, terminal means for connection to said patient'"'"''"'"'s heart for ventricular stimulation, means for detecting an atrial beat of said patient'"'"''"'"'s heart, means for detecting a ventricular beat of said patient'"'"''"'"'s heart, means responsive to the operation of said ventricular detecting means for generating an electrical stimulus on said ventricular terminal means following a first predetermined time interval after the last detected ventricular beat only of said patient'"'"''"'"'s heart, means for generating an electrical stimulus on said atrial terminal means following a second predetermined time interval after the last ventricular beat only of said patient'"'"''"'"'s heart, and means for preventing the generation of an electrical stimulus on said atrail terminal means responsive to the detection of an atrial beat of said patient'"'"''"'"'s heart during said second predetermined time interval.

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