Three-dimensional system of electrode leads
First Claim
1. An electrode lead for implantation into body tissue, the lead comprising:
- a) a carrier comprising a rigid three-dimensional shape extending along a carrier length from a carrier proximal end to a carrier distal end;
b) an electrode array comprising a plurality of electrodes supported on the carrier in the rigid three-dimensional shape; and
c) a guiding element extending from a guiding element proximal end to a guiding element distal end, wherein the guiding element distal end is connected to the electrode array, and wherein the guiding element is configured to have a first three-dimensional shape, andd) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the carrier supporting the plurality of electrodes connected to the distal end of the guiding element maintains its rigid three-dimensional shape, ande) wherein the plurality of electrodes comprise stimulation electrodes configured for electrical stimulation of biological tissue and recording electrodes configured for recording of biological activity from biological tissue and wherein there are at least a first row and a second row of four stimulation electrodes along the carrier length, the stimulation electrodes being equally spaced around a circumference of the carrier, and two diametrically opposed recording electrodes positioned between the first and second rows of stimulation electrodes.
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0 Petitions
Accused Products
Abstract
The electrode lead system of a preferred embodiment includes a series of first electrical subsystems; a guiding element that positions the series of first electrical subsystems in a three dimensional arrangement within body tissue; a second electrical subsystem; and at least one connector that couples the first electrical subsystems to the second electrical subsystem. The electrode lead system of another preferred embodiment includes a series of electrode arrays; a guide tube that facilitates implantation of electrode arrays within body tissue and temporarily contains the series of electrode arrays; and a guiding element that provides a bias on the series of electrode arrays such that (a) when contained by the guide tube, the first electrical subsystems maintain a substantially singular path within body tissue, and (b) when not contained by the guide tube, the first electrical subsystems diverge along more than one path into a three dimensional arrangement within body tissue.
171 Citations
41 Claims
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1. An electrode lead for implantation into body tissue, the lead comprising:
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a) a carrier comprising a rigid three-dimensional shape extending along a carrier length from a carrier proximal end to a carrier distal end; b) an electrode array comprising a plurality of electrodes supported on the carrier in the rigid three-dimensional shape; and c) a guiding element extending from a guiding element proximal end to a guiding element distal end, wherein the guiding element distal end is connected to the electrode array, and wherein the guiding element is configured to have a first three-dimensional shape, and d) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the carrier supporting the plurality of electrodes connected to the distal end of the guiding element maintains its rigid three-dimensional shape, and e) wherein the plurality of electrodes comprise stimulation electrodes configured for electrical stimulation of biological tissue and recording electrodes configured for recording of biological activity from biological tissue and wherein there are at least a first row and a second row of four stimulation electrodes along the carrier length, the stimulation electrodes being equally spaced around a circumference of the carrier, and two diametrically opposed recording electrodes positioned between the first and second rows of stimulation electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An electrode lead for implantation into body tissue, the electrode lead comprising:
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a) a tubular carrier comprising a rigid three-dimensional shape extending along a carrier length from a carrier proximal end to a carrier distal end; b) an electrode array supported on the tubular carrier in the rigid three-dimensional shape, wherein the electrode array comprises sixty-four stimulation electrodes and thirty-two recording electrodes; and c) a guiding element extending from a guiding element proximal end to a guiding element distal end, wherein the guiding element distal end is electrically connected to the electrode array, and wherein the guiding element is configured to have a first three-dimensional shape, and; d) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the carrier supporting the plurality of electrodes connected to the distal end of the guiding element maintains its rigid three-dimensional shape, and e) wherein the sixty-four stimulation electrodes are arranged in stimulation groups of four stimulation electrodes equally spaced annularly around a circumference of the carrier at sixteen spaced axial locations along the carrier length and wherein the thirty-two recording electrodes are arranged in recording groups of two recording electrodes positioned on opposites sides of the carrier between immediately adjacent annular stimulation electrode groups. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. An electrode lead system for implantation into body tissue, the lead system comprising:
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a) a plurality of leads, each lead comprising; i) a carrier comprising a rigid three-dimensional shape extending along a carrier length from a carrier proximal end to a carrier distal end; ii) an electrode array comprising a plurality of electrodes distributed along the carrier in the three-dimensional shape, wherein the plurality of electrodes comprise stimulation electrodes configured for electrical stimulation of biological tissue and recording electrodes configured for recording of biological activity from biological tissue and wherein there are at least a first row and a second row of four stimulation electrodes along the carrier length, the stimulation electrodes being equally spaced around a circumference of the carrier, and two diametrically opposed recording electrodes positioned between the first and second rows of stimulation electrodes; and iii) a guiding element extending from a guiding element proximal end to a guiding element distal end, wherein the guiding element distal end is connected to the electrode array, and wherein the guiding element is configured to have a first three-dimensional shape, and iv) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the carrier supporting the plurality of electrodes connected to the distal end of the guiding element maintains its rigid three-dimensional shape; b) an electrical subsystem; and c) at least one interconnect that couples the electrode array to the electrical subsystem. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. An electrode lead for implantation into body tissue, the lead comprising:
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a) a first electrical subsystem comprising a three-dimensional shape extending from a distal end to a proximal end, wherein the first electrical subsystem includes a plurality of electrodes that are configured for either electrical stimulation of biological tissue or recordation of biological activity; b) a guiding element configured to have a first three-dimensional shape extending from a guiding element distal end to a guiding element proximal end, wherein the guiding element distal end is connected to the first electrical subsystem proximal end and wherein the guiding element proximal end is configured to be electrically connectable to a second electrical subsystem; and c) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the first electrical subsystem comprising the plurality of electrodes connected to the distal end of the guiding element maintains its rigid three-dimensional shape, and d) wherein there are at least a first row and a second row of four stimulation electrodes along the carrier length, the stimulation electrodes being equally spaced around a circumference of the carrier, and two diametrically opposed recording electrodes positioned between the first and second rows of stimulation electrodes. - View Dependent Claims (39, 40)
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41. An electrode lead for implantation into body tissue, the lead comprising:
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a) a cylindrical carrier extending along a carrier length from a carrier proximal end to a carrier distal end; b) an electrode array comprising a plurality of electrodes supported on the carrier in a rigid three-dimensional shape; and c) a guiding element extending from a guiding element proximal end to a guiding element distal end, wherein the guiding element distal end is connected to the electrode array, and wherein the guiding element is configured to have a first three-dimensional shape, and d) wherein the guiding element is maneuverable into a second three-dimensional shape that is different than the first three-dimensional shape while the carrier supporting the plurality of electrodes connected to the distal end of the guiding element maintains its cylindrical three-dimensional shape, and e) wherein the plurality of electrodes comprise stimulation electrodes configured for electrical stimulation of biological tissue and recording electrodes configured for recording of biological activity from biological tissue and wherein there are at least a first row and a second row of four stimulation electrodes along the carrier length, the stimulation electrodes being equally spaced around a circumference of the carrier, and two diametrically opposed recording electrodes positioned between the first and second rows of stimulation electrodes.
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Specification