IMPLANTABLE CARDIAC DEFIBRILLATION SYSTEM WITH DEFIBRILLATION ELECTRODE ENTRAPMENT PREVENTION AND METHOD
First Claim
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1. An implantable cardiac defibrillation device comprising:
- an implantable defibrillation lead having a defibrillation electrode;
a pulse generator adapted to be coupled to the defibrillation electrode; and
a power supply that maintains a negative voltage on the defibrillation electrode.
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Abstract
An implantable cardiac defibrillation device diminishes fibrosis of a defibrillation electrode. The device includes an implantable lead having a defibrillation electrode adapted for implant in one of the superior vena cava and right ventricle of a heart, a pulse generator adapted to be coupled to the defibrillation electrode that provides defibrillation energy to the defibrillation electrode, and a power supply that maintains a negative voltage on the defibrillation electrode in the absence of defibrillating energy being provided to the defibrillation electrode.
28 Citations
22 Claims
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1. An implantable cardiac defibrillation device comprising:
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an implantable defibrillation lead having a defibrillation electrode;
a pulse generator adapted to be coupled to the defibrillation electrode; and
a power supply that maintains a negative voltage on the defibrillation electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An implantable cardiac defibrillation device comprising:
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an implantable lead having a defibrillation electrode adapted for implant in one of the superior vena cava and right ventricle of a heart;
a pulse generator adapted to be coupled to the defibrillation electrode that provides defibrillation energy to the defibrillation electrode; and
a power supply that maintains a negative voltage on the defibrillation electrode in the absence of defibrillating energy being provided to the defibrillation electrode. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method comprising:
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detecting fibrillation of a heart;
applying defibrillating energy to the heart with an implanted defibrillation electrode in response to detecting fibrillation of the heart; and
maintaining a negative voltage on the defibrillation electrode in the absence of applying the defibrillating energy. - View Dependent Claims (19, 20, 21, 22)
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Specification