×

DOUBLE RATE DEMAND PACEMAKER

  • US 3,623,486 A
  • Filed: 10/01/1969
  • Issued: 11/30/1971
  • Est. Priority Date: 10/01/1969
  • Status: Expired due to Term
First Claim
Patent Images

1. A demand pacer comprising terminal means for connection to a patient'"'"''"'"'s heart, pulse-generating means for applying periodic pulses to said terminal means, means for detecting the natural beating of said patient'"'"''"'"'s heart and in response thereto for inhibiting the generation of the next pulse which would otherwise be generated by said pulse-generating means, circuit means including bistable magnetic reed switch means connected to said pulse-generating means for controlling said pulse-generating means to operate at a particular one of two possible rates in accordance with the state of said bistable magnetic reed switch means, and monostable magnetic reed switch means for selectively preventing the inhibiting of the operation of said pulsegenerating means.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×