Atrial defibrillator and method of use
First Claim
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1. An apparatus for delivering cardioversion pulses to the atrium of a patient'"'"'s heart, comprising:
- means for sensing atrial tachyarrhythmia;
a first electrode means for location in the coronary sinus of said patient'"'"'s heart;
a second electrode means for location in the right ventricle of said patient'"'"'s heart;
a third electrode means for location in the right atrium/superior vena cava portion of said patient'"'"'s heart;
means for coupling said first electrode means to said second electrode means;
an implantable high voltage pulse generator having a housing and coupled to said first, second and third electrode means and including means for delivering a cardioversion pulse between said first and second electrode means while coupled to one another and said third electrode means, in response to a sensed occurrence of atrial tachyarrhythmia.
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Abstract
A method and apparatus for treating atrial tachyarrhythmias, particularly atrial fibrillation. High energy pulses are delivered between electrodes located in the right atrium/SVC, the right ventricle and the coronary sinus/great vein, with the right ventricular and coronary sinus/great vein electrodes connected in common. Optionally a subcutaneous electrode, preferably located in the left pectoral area may also be employed, coupled in common to the right atrial/SVC electrode.
99 Citations
21 Claims
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1. An apparatus for delivering cardioversion pulses to the atrium of a patient'"'"'s heart, comprising:
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means for sensing atrial tachyarrhythmia; a first electrode means for location in the coronary sinus of said patient'"'"'s heart; a second electrode means for location in the right ventricle of said patient'"'"'s heart; a third electrode means for location in the right atrium/superior vena cava portion of said patient'"'"'s heart; means for coupling said first electrode means to said second electrode means; an implantable high voltage pulse generator having a housing and coupled to said first, second and third electrode means and including means for delivering a cardioversion pulse between said first and second electrode means while coupled to one another and said third electrode means, in response to a sensed occurrence of atrial tachyarrhythmia. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of cardioverting the atrium of a patient'"'"'s heart, comprising:
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locating a first electrode in the coronary sinus of said patient'"'"'s heart; locating a second electrode in the right ventricle of said patient'"'"'s heart; locating a third electrode in the right atrium/superior vena cava portion of said patient'"'"'s heart; sensing the occurrence of atrial tachyarrhythmia; coupling said first electrode to said second electrode; and delivering a cardioversion pulse between said first and second electrodes while coupled to one another and said third electrode in response to a detected occurrence of atrial tachyarrhythmia. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus for delivering cardioversion pulses to the atrium of a patient'"'"'s heart, comprising:
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means for sensing atrial tachyarrhythmia; a first electrode locatable in a patient'"'"'s coronary sinus; a second electrode locatable in said patient'"'"'s right ventricle while said first electrode is located in said patient'"'"'s coronary sinus; a third electrode locatable in said patient'"'"'s right atrium/superior vena cava while said first and second electrodes are located in said patient'"'"'s coronary sinus and right ventricle, respectively; means for coupling said first electrode to said second electrode; and an implantable high voltage pulse generator having a housing and coupled to said first, second and third electrodes and including means for delivering a cardioversion pulse between said first and second electrodes while coupled to one another and said third electrode, in response to a sensed occurrence of atrial tachyarrhythmia. - View Dependent Claims (17)
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16. An apparatus for delivering cardioversion pulses to the atrium of a patient'"'"'s heart, comprising:
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means for sensing atrial tachyarrhythmia; first, second and third transvenously insertable elongated cardioversion electrodes; means for coupling said first electrode to said second electrode; and an implantable high voltage pulse generator having a housing and coupled to said first, second and third electrodes and including means for delivering a cardioversion pulse between said first and second electrodes while coupled to one another and said third electrode means, in response to a sensed occurrence of atrial tachyarrhythmia.
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18. A method of cardioverting the atrium of a patient'"'"'s heart, comprising:
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transvenously inserting first, second and third elongated cardioversion electrodes relative to the atrium of said patient'"'"'s heart; sensing the occurrence of atrial tachyarrhythmia; coupling said first electrode to said second electrode; and delivering a cardioversion pulse between said first and second electrodes while coupled to one another and said third electrode in response to a detected occurrence of atrial tachyarrhythmia. - View Dependent Claims (19, 20, 21)
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Specification