Electrode for recording and stimulation
First Claim
1. A cortical electrode comprising a strip body of elongated flexible dielectric material having front and back layers, said front layer having a plurality of openings in a predetermined arrangement, a plurality of electrode contacts extending through said openings, a lead wire extending from each said electrode contacts, said strip body having a proximal edge and having at least one tubing junction at said proximal edge of said strip body, said lead wires extending through said at least one tubing junction, said front and back layers having a textured surface to increase flexibility and to prevent adherence to smooth wet surfaces of brain tissue and dura matter.
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Abstract
Improved electrode assemblies for recording and stimulation. Cortical and depth electrode structures are provided as well as inline interconnection systems. Methods of manufacture are further taught to provide enhanced surfaces for cortical electrodes. The inline interconnection systems include connector assembly embodiments for electrode leads which have structure providing ease of EEG recording as well as stimulation.
24 Citations
20 Claims
- 1. A cortical electrode comprising a strip body of elongated flexible dielectric material having front and back layers, said front layer having a plurality of openings in a predetermined arrangement, a plurality of electrode contacts extending through said openings, a lead wire extending from each said electrode contacts, said strip body having a proximal edge and having at least one tubing junction at said proximal edge of said strip body, said lead wires extending through said at least one tubing junction, said front and back layers having a textured surface to increase flexibility and to prevent adherence to smooth wet surfaces of brain tissue and dura matter.
- 8. A cortical electrode comprising a strip body of elongated flexible dielectric material having front and back layers, said front layer having a plurality of openings in a predetermined arrangement, a plurality of electrode contacts extending through said openings, a plurality of lead wires, wherein one lead wire extends from each said electrode contacts, said strip body having at least one tubing junction extending from the proximal edge of said strip body, said lead wires extending through said at least one tubing junction, said front and back layers having a textured surface to increase flexibility and to prevent adherence to smooth wet surfaces of brain tissue and dura matter, said textured surface having peaks and ridges.
- 14. A cortical electrode comprising a strip body of elongated flexible dielectric material having front and back layers, said front layer having a plurality of openings in a predetermined arrangement, a plurality of electrode contacts aligned with and extending through said openings of said top layer, a plurality of lead wires wherein one lead wire extends from each said electrode contacts, said strip body having at least one tubing junction extending from the proximal edge of said strip body, said lead wires extending through said at least one tubing junction, said front and back layers having a textured surface to increase flexibility and to prevent adherence to smooth wet surfaces of brain tissue and dura matter, said plurality of lead wires extending through said at least one tubing junction being shielded.
Specification