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Atrial defibrillator employing transvenous and subcutaneous electrodes and method of use

  • US 5,314,430 A
  • Filed: 06/24/1993
  • Issued: 05/24/1994
  • Est. Priority Date: 06/24/1993
  • Status: Expired due to Term
First Claim
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1. An apparatus for defibrillating the atrium of a patient'"'"'s heart, comprising:

  • a first defibrillation electrode means for location in the coronary sinus of said patient'"'"'s heart;

    an implantable defibrillation pulse generator having a housing and having a first output coupled to said first defibrillation electrode; and

    a second defibrillation electrode comprising a conductive portion of said housing of said defibrillation pulse generator and coupled to a second output of said defibrillation pulse generator; and

    means for sensing the occurrence of atrial fibrillation and for triggering the delivery of a defibrillation pulse between said first and second electrodes in response to sensing the occurrence of atrial fibrillation.

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