Microelectrode with laterally extending platform for reduction of tissue encapsulation
First Claim
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1. An implantable microelectrode comprising:
- a shank comprising;
a backbone portion; and
a laterally extending platform having a thickness less than the backbone portion andextending radially from the backbone portion;
an electrode site disposed at least partially on or in the laterally extending platform; and
a conductive interconnect, disposed between insulating layers of dielectric in at least one of the shank and the laterally extending platform, that terminates with the electrode site.
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Abstract
In some embodiments, an implantable microelectrode is provided with a shank comprised of a laterally extending platform whose thickness and/or configuration contributes to reduced tissue encapsulation, with at least one electrode site disposed at least partially on or in the laterally extending platform. Novel methods of designing, making, and using an implantable microelectrode or biosensor resulting in reduced tissue encapsulation are also disclosed.
81 Citations
20 Claims
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1. An implantable microelectrode comprising:
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a shank comprising; a backbone portion; and a laterally extending platform having a thickness less than the backbone portion and extending radially from the backbone portion; an electrode site disposed at least partially on or in the laterally extending platform; and a conductive interconnect, disposed between insulating layers of dielectric in at least one of the shank and the laterally extending platform, that terminates with the electrode site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An implantable microelectrode comprising:
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a shank comprising; a backbone portion; and a laterally extending platform having a thickness less than the backbone portion and extending radially from the backbone portion, wherein the thickness of the laterally extending platform is approximately 10 microns or less; a plurality of electrode sites disposed at least partially on or in the laterally extending platform; a plurality of conductive interconnects disposed between insulating layers of dielectric in at least one of the shank and the laterally extending platform, wherein each conductive interconnect terminates with a respective electrode site; and a plurality of bond pads, at least some of which are in contact with a respective interconnect. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification