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Lead system for use with an atrial defibrillator and method

  • US 5,350,404 A
  • Filed: 10/01/1993
  • Issued: 09/27/1994
  • Est. Priority Date: 04/12/1991
  • Status: Expired due to Term
First Claim
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1. A device for monitoring activity of the heart and delivering cardioverting electrical energy to the atria of the heart, said device comprising:

  • storage means for storing said electrical energy;

    atrial activity sensing means for sensing atrial activity of the heart;

    electrical activation sensing means for sensing electrical activations of the heart;

    a first lead including a first electrode and a second electrode, said first lead for disposing said first electrode within the right atrium of the heart and for disposing said second electrode within the coronary sinus beneath the left atrium of the heart, said first and second electrodes being coupled to said storage means for delivering said electrical energy to the atria of the heart and to said atrial activity sensing means for sensing atrial activity of the heart;

    a second lead including first and second sensing electrodes, said second lead for disposing said first and second sensing electrodes within the right ventricle of the heart, said first and second sensing electrodes being coupled to said electrical activation sensing means for sensing electrical activations of the heart; and

    said first and second leads being fully implantable beneath the skin of a patient.

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