Implantable Neuro-Stimulation Electrode with Drug Elution Material
First Claim
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1. A cochlear implant electrode array comprising:
- a cochlear electrode array for electrically stimulating cochlear tissue, the array including a drug eluting portion having a pharmaceutical agent incorporated into a polymer material, wherein the drug eluting portion is adapted to release over time a therapeutically effective amount of the pharmaceutical agent for the inner ear.
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Abstract
An implantable electrode with a fluid reservoir is described. An implantable electrode carrier has an outer surface including electrode contacts for electrically stimulating nearby neural tissue. A fluid reservoir within the electrode carrier stores a volume of therapeutic fluid. At least one fluid delivery port connects the fluid reservoir to the outer surface of the electrode carrier for delivering the therapeutic fluid from the fluid reservoir to the outer surface. A delivery septum port is in fluid communication with the fluid reservoir for delivering the therapeutic fluid to the fluid reservoir.
86 Citations
25 Claims
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1. A cochlear implant electrode array comprising:
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a cochlear electrode array for electrically stimulating cochlear tissue, the array including a drug eluting portion having a pharmaceutical agent incorporated into a polymer material, wherein the drug eluting portion is adapted to release over time a therapeutically effective amount of the pharmaceutical agent for the inner ear. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification