Neural interface assembly and method for making and implanting the same
First Claim
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1. An implant assembly for implantation within the neural tissue of a subject, comprising:
- a hub member;
at least one electrode connected to and extending outwardly from the hub member;
a connector attached to the hub member; and
a plurality of electrical traces that extend theretrough portions of the hub member the at least one electrode and that are in communication with the connector, wherein at least a portion of each electrical trace on a portion of the electrode is exposed to form a transducer site that is adapted to convert sensed electrochemical physical reactions present in the neural tissue of the subject into electrical signals, and wherein the electrical traces are adapted to transmit the electrical signals to the connector.
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Abstract
An implant assembly for creating a neural interface with a central nervous system having at least one biocompatible intracortical electrode is presented along with a method of making and implanting device. The mechanical, electrical and biological characteristics of the assembly support its use as a reliable long term implant.
97 Citations
20 Claims
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1. An implant assembly for implantation within the neural tissue of a subject, comprising:
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a hub member;
at least one electrode connected to and extending outwardly from the hub member;
a connector attached to the hub member; and
a plurality of electrical traces that extend theretrough portions of the hub member the at least one electrode and that are in communication with the connector, wherein at least a portion of each electrical trace on a portion of the electrode is exposed to form a transducer site that is adapted to convert sensed electrochemical physical reactions present in the neural tissue of the subject into electrical signals, and wherein the electrical traces are adapted to transmit the electrical signals to the connector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A means for recording neural signals comprising:
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preparing a site on a subject for implantation of an implant assembly fabricated from a flexible polymer material;
implanting the implant assembly on the site, including insertion of intracortical electrodes from the implant assembly into the tissue of the subject; and
connecting the implant assembly to a recording device.
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16. A biosensor for implanting in live tissue, comprising:
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a thin film substrate including benzocyclobutene (BCB) material, wherein the thin film substrate defines an opening;
a conductor routing along the thin film substrate, wherein a portion of the conduction underlies the opening in the thin film substrate and forms a transducer site adapted to convert biophysical phenomenon to an electrical signal, and wherein the conductor is adapted to transmit the electrical signal. - View Dependent Claims (17, 18, 19)
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20. A method of using benzocyclobutene material in a biocompatible device, comprising the step of forming a substrate from the benzocyclobutene material so that the substrate is suitable for implant into living tissue.
Specification