Implantable stimulating electrode
First Claim
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1. An electrode, comprising:
- a) an implantable, porous, stimulating electrode having a surface bearing a thin coating of a hydrophilic polymer; and
b) an anti-inflammatory steroid encapsulated by said polymer, whereby diffusion of said anti-inflammatory steroid after implantation into surrounding tissue prevents growth of connective tissue and thus prevents a rise in a stimulation threshold of said electrode.
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Abstract
The surface of an implantable, porous stimulating electrode particularly intended for use in pacemakers is provided with a thin coating of a hydrophilic polymer in which is embedded an anti-inflammatory steroid. The electrode reduces the postoperative increase in the stimulation threshold, as well as the growth of connective tissue, without any reduction in capacitance.
77 Citations
17 Claims
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1. An electrode, comprising:
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a) an implantable, porous, stimulating electrode having a surface bearing a thin coating of a hydrophilic polymer; and b) an anti-inflammatory steroid encapsulated by said polymer, whereby diffusion of said anti-inflammatory steroid after implantation into surrounding tissue prevents growth of connective tissue and thus prevents a rise in a stimulation threshold of said electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification