Cardiac harness having leadless electrodes for pacing and sensing therapy
First Claim
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1. A system for treating the heart, comprising:
- a cardiac harness configured to conform generally to at least a portion of a heart;
a plurality of leadless pace/sense electrodes attached to the cardiac harness, the leadless pace/sense electrodes being electrically insulated from the cardiac harness;
the pace/sense electrodes being capable of providing an electrical stimulus to the heart; and
a control unit having a source of energy for communicating with the pace/sense electrodes.
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Abstract
A system for treating the heart includes a cardiac harness associated with a cardiac rhythm management device which does not have a lead system. Multiple pacing and sensing electrodes are attached to the cardiac harness but not to the cardiac rhythm management device. The cardiac harness applies a compressive force on the heart during diastole and systole, and the cardiac rhythm management device will deliver an electrical pulse to the pacing electrodes on the heart for pacing/sensing therapy. The cardiac harness and cardiac rhythm management device are both delivered and implanted by minimally invasive access.
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Citations
39 Claims
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1. A system for treating the heart, comprising:
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a cardiac harness configured to conform generally to at least a portion of a heart;
a plurality of leadless pace/sense electrodes attached to the cardiac harness, the leadless pace/sense electrodes being electrically insulated from the cardiac harness;
the pace/sense electrodes being capable of providing an electrical stimulus to the heart; and
a control unit having a source of energy for communicating with the pace/sense electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 25)
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17. A system for treating the heart, comprising:
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a cardiac harness having rows of undulating spring elements configured to conform generally to at least a portion of a heart;
a control unit for providing electrical pulses to the heart; and
wherein the cardiac harness includes an antenna for transmitting cardiac electrical signals to the control unit. - View Dependent Claims (18, 19, 20)
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21. A system for treating the heart, comprising:
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a cardiac harness configured to conform generally to at least a portion of a heart;
a plurality of leadless pace/sense electrodes attached to the cardiac harness, the leadless pace/sense electrodes being electrically insulated from the cardiac harness;
the pace/sense electrodes being capable of sensing cardiac signals from the heart; and
a control unit for communicating with the pace/sense electrodes. - View Dependent Claims (22, 23, 24)
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26. A method of implanting a cardiac harness and leadless pace/sense electrodes, comprising:
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providing a cardiac harness having leadless pace/sense electrodes attached thereto;
providing a control unit;
providing a minimally invasive access site;
inserting the cardiac harness through the minimally invasive access site and around at least a portion of the heart; and
inserting the control unit through the minimally invasive access site and implanting the control unit close enough to the cardiac harness so that the control unit communicates with the leadless pace/sense electrodes. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification