Neural device with modular electrode array
First Claim
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1. A modular electrode array, comprising:
- a) a first electrode module, comprising;
i) a first flexible substrate comprising a first perimeter; and
ii) at least two first electrodes supported on a first side of the first substrate,iii) wherein the at least two first electrodes are spaced apart from each other by a first pitch length of the first substrate;
b) a second electrode module, comprising;
i) a second flexible substrate comprising a second perimeter; and
ii) at least two second electrodes supported on a first side of the second substrate,iii) wherein the at least two second electrodes are spaced apart from each other by a second pitch length of the second substrate;
c) a first connector substrate extending along a first longitudinal axis from a first connector end to a second connector end, wherein;
i) the first connector end is connected to the first substrate perimeter and the second connector end is connected to the second substrate perimeter to thereby provide a spatial separation between the first and second modules, andii) wherein the first longitudinal axis of the first connector substrate intersects both the first pitch between and spaced from the two first electrodes and the second pitch between and spaced from the two second electrodes; and
d) at least two first conductive interconnects and at least two second conductive interconnects, each of the first and second conductive interconnects extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end,i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, andii) wherein the distal portions of the first conductive interconnects are supported by the first flexible substrate with the first distal interconnect ends electrically coupled to respective ones of the at least two first electrodes, andiii) wherein the distal portions of the second conductive interconnects are supported by the first flexible substrate, the first connector substrate, and the second flexible substrate with the second distal interconnect ends electrically coupled to respective ones of the at least two second electrodes; and
e) a backing supporting the first and second substrates and the intermediate first connector substrate on respective second sides thereof opposite the first sides to thereby maintain the spatial separation between the first and second modules.
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Abstract
An apparatus comprises a flexible substrate including a modular electrode array disposed on the flexible substrate. The modular electrode array includes a plurality of electrode modules, where an electrode module includes a plurality of electrodes. The flexible substrate also includes a spatial separation between the electrode modules of the modular electrode array, and conductive interconnect coupled to the electrodes of the plurality of electrodes.
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Citations
43 Claims
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1. A modular electrode array, comprising:
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a) a first electrode module, comprising; i) a first flexible substrate comprising a first perimeter; and ii) at least two first electrodes supported on a first side of the first substrate, iii) wherein the at least two first electrodes are spaced apart from each other by a first pitch length of the first substrate; b) a second electrode module, comprising; i) a second flexible substrate comprising a second perimeter; and ii) at least two second electrodes supported on a first side of the second substrate, iii) wherein the at least two second electrodes are spaced apart from each other by a second pitch length of the second substrate; c) a first connector substrate extending along a first longitudinal axis from a first connector end to a second connector end, wherein; i) the first connector end is connected to the first substrate perimeter and the second connector end is connected to the second substrate perimeter to thereby provide a spatial separation between the first and second modules, and ii) wherein the first longitudinal axis of the first connector substrate intersects both the first pitch between and spaced from the two first electrodes and the second pitch between and spaced from the two second electrodes; and d) at least two first conductive interconnects and at least two second conductive interconnects, each of the first and second conductive interconnects extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal portions of the first conductive interconnects are supported by the first flexible substrate with the first distal interconnect ends electrically coupled to respective ones of the at least two first electrodes, and iii) wherein the distal portions of the second conductive interconnects are supported by the first flexible substrate, the first connector substrate, and the second flexible substrate with the second distal interconnect ends electrically coupled to respective ones of the at least two second electrodes; and e) a backing supporting the first and second substrates and the intermediate first connector substrate on respective second sides thereof opposite the first sides to thereby maintain the spatial separation between the first and second modules. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A modular electrode array, comprising:
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a) a first electrode module, comprising; i) a first flexible substrate comprising a first perimeter; and ii) a plurality of first electrodes supported on a first side of the first substrate, iii) wherein at least two of the plurality of first electrodes are spaced apart from each other by a first pitch length of the first substrate; b) a second electrode module, comprising; i) a second flexible substrate comprising a second perimeter; and ii) a plurality of second electrodes supported on a first side of the second substrate, iii) wherein at least two of the plurality of second electrodes are spaced apart from each other by a second pitch length of the second substrate; c) a connector substrate extending along a longitudinal axis from a first connector end to a second connector end, wherein; i) the first connector end is connected to the first substrate perimeter of the first electrode module and the second connector end is connected to the second substrate perimeter of the second electrode module, and ii) wherein a first width where the first connector end connects to the first perimeter is less than the first pitch length between the at least two first electrodes supported on the first substrate, and iii) wherein a second width where the second connector end of the first connector substrate connects to the second perimeter is less than the second pitch length between the at least two second electrodes supported on the second substrate, and iv) wherein the longitudinal axis of the first connector substrate intersects both the first pitch between and spaced from the two first electrodes and the second pitch between and spaced from the two second electrodes; d) a plurality of first conductive interconnects and a plurality of second conductive interconnects, each of the first and second conductive interconnect extending from a proximal interconnect end to a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal interconnect ends of the first conductive interconnects are supported by the first flexible substrate and electrically coupled to a respective one of the plurality of first electrodes, and iii) wherein the distal interconnect ends of the second conductive interconnects are supported by the first flexible substrate, the connector substrate, and the second flexible substrate and electrically coupled to a respective one of the plurality of second electrodes; and e) a backing supporting the first and second substrates and the intermediate first connector substrate on respective second sides thereof opposite the first sides to thereby maintain the spatial separation between the first and second modules. - View Dependent Claims (23, 24, 25, 26)
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27. A modular electrode array, comprising:
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a) a first electrode module, comprising; i) a first flexible substrate comprising a first perimeter; and ii) at least two first electrodes supported on the first substrate, iii) wherein the at least two first electrodes are spaced apart from each other by a first pitch; b) a second electrode module, comprising; i) a second flexible substrate comprising a second perimeter; and ii) at least two second electrodes supported on the second substrate, iii) wherein the at least two second electrodes are spaced apart from each other by a second pitch; c) a first connector substrate extending from a first connector end to a second connector end, wherein; i) the first connector end is connected to the first substrate perimeter and the second connector end is connected to the second substrate perimeter, and ii) wherein a first width where the first connector end connects to the first perimeter is less than the first pitch between the at least two first electrodes supported on the first substrate, and iii) wherein a second width where the second connector end of the first connector substrate connects to the second perimeter is less than the second pitch between the at least two second electrodes supported on the second substrate; and d) at least two first conductive interconnects and at least two second conductive interconnects, each of the first and second conductive interconnects extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal portions of the first conductive interconnects are supported by the first flexible substrate with the first distal interconnect ends electrically coupled to respective ones of the at least two first electrodes, and iii) wherein the distal portions of the second conductive interconnects are supported by the first flexible substrate, the first connector substrate, and the second flexible substrate with the second distal interconnect ends electrically coupled to respective ones of the at least two second electrodes; and e) an aperture extending through at least one of the respective first and second flexible substrates of the first and second electrode modules; and f) a wave guide configured to deliver light to the at least one aperture.
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28. A modular electrode array, comprising:
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a) a first electrode module, comprising; i) a first flexible substrate comprising a first perimeter; and ii) at least two first electrodes supported on the first substrate, iii) wherein the at least two first electrodes are spaced apart from each other by a first pitch; b) a second electrode module, comprising; i) a second flexible substrate comprising a second perimeter; and ii) at least two second electrodes supported on the second substrate, iii) wherein the at least two second electrodes are spaced apart from each other by a second pitch; c) wherein at least one of the two first and second electrodes is a penetrating electrode; d) a first connector substrate extending from a first connector end to a second connector end, wherein; i) the first connector end is connected to the first substrate perimeter and the second connector end is connected to the second substrate perimeter, and ii) wherein a first width where the first connector end connects to the first perimeter is less than the first pitch between the at least two first electrodes supported on the first substrate, and iii) wherein a second width where the second connector end of the first connector substrate connects to the second perimeter is less than the second pitch between the at least two second electrodes supported on the second substrate; and e) at least two first conductive interconnects and at least two second conductive interconnects, each of the first and second conductive interconnects extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal portions of the first conductive interconnects are supported by the first flexible substrate with the first distal interconnect ends electrically coupled to respective ones of the at least two first electrodes, and iii) wherein the distal portions of the second conductive interconnects are supported by the first flexible substrate, the first connector substrate, and the second flexible substrate with the second distal interconnect ends electrically coupled to respective ones of the at least two second electrodes.
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29. A modular electrode array, comprising:
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a) a first electrode module, comprising; i) a first flexible substrate comprising a first perimeter; and ii) at least one first electrode supported on a first side of the first substrate; b) a second electrode module, comprising; i) a second flexible substrate comprising a second perimeter; and ii) at least one second electrode supported on a first side of the second substrate; c) a first connector substrate extending from a first connector end to a second connector end, wherein the first connector end is connected to the first substrate perimeter and the second connector end is connected to the second substrate perimeter to thereby provide a spatial separation between the first and second modules; d) at least one first conductive interconnect and at least one second conductive interconnect, the first and second conductive interconnects extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal portion of the first conductive interconnect is supported by the first flexible substrate with the first distal interconnect end electrically coupled to the at least one first electrode, and iii) wherein the distal portion of the second conductive interconnect is supported by the first flexible substrate, the first connector substrate, and the second flexible substrate with the second distal interconnect end electrically coupled to the at least one second electrode; and e) a backing supporting the first and second substrates and the intermediate first connector substrate on respective second sides thereof opposite the first sides to thereby maintain the spatial separation between the first and second modules. - View Dependent Claims (30, 31)
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32. A method for forming a modular electrode array, comprising the steps of:
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a) disposing at least two first electrodes on a first side of a first flexible substrate having a first perimeter to form a first electrode module, wherein the at least two first electrodes are spaced apart from each other by a first pitch length; b) disposing at least two second electrodes on a first side of a second flexible substrate having a second perimeter to form a second electrode module, wherein the at least two second electrodes are spaced apart from each other by a second pitch length; c) providing a connector substrate extending along a longitudinal axis from a first connector end to a second connector end with the first connector end connected to the first substrate perimeter and the second connector end connected to the second substrate perimeter to thereby provide a spatial separation between the first and second modules; and d) attaching a backing to the first and second substrates and the intermediate first connector substrate on respective second sides thereof opposite the first sides to thereby maintain the spatial separation between the first and second modules, e) wherein the longitudinal axis of the first connector substrate intersects both the first pitch length between and spaced from the two first electrodes and the second pitch length between and spaced from the two second electrodes; and f) providing at least two first conductive interconnects and at least two second conductive interconnects, each interconnect extending from a proximal interconnect end to a distal interconnect portion having a distal interconnect end, i) wherein the proximal first and second interconnect ends are configured for electrical connection to an external electrical device, and ii) wherein the distal portions of the first conductive interconnects are supported by the first flexible substrate with the first distal interconnect, ends electrically coupled to respective ones of the at least two first electrodes, and iii) wherein the distal portions of the second conductive interconnects are supported by the first flexible substrate, the connector substrate, and the second flexible substrate with the second distal interconnect ends electrically coupled to respective ones of the at least two second electrodes. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification