Single pass endocardial lead for multi-site atrial pacing
First Claim
Patent Images
1. A single pass transvenously insertable endocardial lead comprising:
- a lead body;
a first leg including a first leg lead body and having at least one pacing electrode constructed and arranged for atrial pacing; and
a second leg including a second leg lead body and having at least one pacing electrode, said first and second leg for positioning within a single chamber of the heart, said chamber being an atrium, the electrode constructed and arranged for atrial pacing;
wherein the lead is constructed and arranged for transvenous implantation in a patient by subcutaneous placement, advancement to a shoulder and neck of the patient and placement in a major vein and the distal end of the lead is placed directly within an endocardium, the first leg is positioned at a first site within a single chamber of the heart and the second leg is positioned at a second site within the single chamber of the heart for multisite atrial pacing.
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Abstract
A single-pass endocardial lead electrode is adapted for implantation within a single chamber of the heart. The lead includes a first electrode and a second electrode. The first and second electrodes are placed within the same chamber of the heart. In one embodiment, two electrodes are placed on a curved distal end of the lead. In another embodiment, the lead includes multiple legs, each leg carrying an electrode. The lead is attached to a pulse generator for producing pulses to the multiple sites within the heart.
100 Citations
35 Claims
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1. A single pass transvenously insertable endocardial lead comprising:
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a lead body; a first leg including a first leg lead body and having at least one pacing electrode constructed and arranged for atrial pacing; and a second leg including a second leg lead body and having at least one pacing electrode, said first and second leg for positioning within a single chamber of the heart, said chamber being an atrium, the electrode constructed and arranged for atrial pacing; wherein the lead is constructed and arranged for transvenous implantation in a patient by subcutaneous placement, advancement to a shoulder and neck of the patient and placement in a major vein and the distal end of the lead is placed directly within an endocardium, the first leg is positioned at a first site within a single chamber of the heart and the second leg is positioned at a second site within the single chamber of the heart for multisite atrial pacing. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A single pass, transvenously insertable endocardial lead comprising:
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a lead body having a curved end portion having a curve formed therein; a first leg including a first leg lead body and having at least one pacing electrode constructed and arranged for atrial pacing; and a second leg including a second leg lead body and having at least one pacing electrode, said first and second leg for positioning within a chamber of the heart, said chamber being an atrium, the at least one pacing electrode constructed and arranged for atrial pacing; and the first pacing electrode and the second pacing electrode positioned at two positions on the curved end portion of the lead body, the lead constructed and arranged for transvenous implantation in a patient by subcutaneous placement, advancement to a shoulder and neck of the patient and placement in a major vein and placement of the distal end of the lead directly within the endocardium, said curved end portion is positioned within a single chamber of the heart so that the first pacing electrode is located at a first position within the single chamber and the second pacing electrode is located at a second position within the single chamber of the heart for multisite atrial pacing. - View Dependent Claims (9, 10, 11)
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12. A system for delivering pulses to the heart, said system comprising:
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an electronics system including a pulse generator which produces pulses to stimulate the heart; and a lead adapted for transvenous insertion and endocardial implantation within, on, or about the heart and for connection to the electronics system, said lead comprising; a lead body; a first leg having at least one pacing electrode constructed and arranged for atrial pacing; and a second leg having at least one pacing electrode, said first and second leg for positioning within a chamber of the heart, said chamber being an atrium, the at least one electrode constructed and arranged for atrial pacing; the lead constructed and arranged for transvenous implantation in a patient by subcutaneous placement, advancement to a shoulder and neck of the patient and placement in a major vein and placement of the distal end of the lead directly within the endocardium, whereby the first leg is positioned at a first site within a single chamber of the heart and the second leg is positioned at a second site within the single chamber of the heart for multisite atrial pacing. - View Dependent Claims (13, 14, 15, 16, 24, 25, 26, 27, 28)
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17. A lead comprising:
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a main lead body adapted to carry signals to and from a heart when the lead is transvenously inserted and implanted in a single chamber of the heart, the chamber being an atrium, the main lead body having a first recess therein; a first leg including a first leg lead body, the first leg associated with the main lead body, the first leg including a first atrial electrode; a second leg including a second leg lead body, the second leg associated with the main lead body, the second leg including a second atrial electrode; and where the first recess receives the entire first leg therein, and the first leg is housed in the first recess during implantation of the lead in an atrium. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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29. A method for implanting a lead having a lead body, the method comprising:
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inserting the lead transvenously until a distal end of the lead is disposed within an atrium, the lead including a first leg having a first lead body and a first electrode and a second leg having a second lead body and a second electrode, the second leg disposed within a recess of the lead body, disposing the first electrode against a wall of the atrium, advancing the second lead body and second leg and second electrode out of the recess of the lead body until the second electrode is disposed against the wall of the atrium. - View Dependent Claims (30, 31, 32, 33, 34, 35)
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Specification