×

Artificial pacemaker

  • US 4,009,721 A
  • Filed: 04/23/1976
  • Issued: 03/01/1977
  • Est. Priority Date: 04/24/1975
  • Status: Expired due to Term
First Claim
Patent Images

1. In an artificial pacemaker including oscillator means providing electrical stimuli to the heart at the oscillator frequency, the improvement comprising, in combination, detector means operable to detect instantaneous variations of the pH of the blood as a function of the effort exerted by the wearer of the pacemaker to provide an electrical output which is a function of the instantaneous pH variation;

  • and means connecting said detector means to said oscillator means to control the frequency of said oscillator means as a function of the detected pH of the blood.

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