IMPLANTABLE ELECTRODE ASSEMBLY HAVING REVERSE ELECTRODE CONFIGURATION
First Claim
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1. A method of generating an electric filed inside a patient, the method comprising:
- providing at least a first electrode and a second electrode on a common implantable substrate, wherein each of the first and second electrodes has a respective proximal end and a respective distal end, wherein the proximal end of the first electrode is positioned closer to the distal end of the second electrode than to the proximal end of the second electrode, wherein the proximal end of the second electrode is positioned closer to the distal end of the first electrode than to the proximal end of the first electrode;
implanting the implantable substrate inside the patient; and
applying electrical energy across the first and second electrodes to cause electrical current to flow simultaneously through the first and second electrodes preferentially from the proximal end of one electrode to the distal end of the other electrode.
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Abstract
Methods and apparatus for generating an electric field inside a patient include at least a first electrode and a second electrode on a common implantable substrate. Each of the electrodes has a respective proximal end and a respective distal end. Electrical energy can be applied that causes electrical current to flow simultaneously through the first and second electrodes preferentially from the proximal end of one electrode to the distal end of the other electrode.
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Citations
54 Claims
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1. A method of generating an electric filed inside a patient, the method comprising:
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providing at least a first electrode and a second electrode on a common implantable substrate, wherein each of the first and second electrodes has a respective proximal end and a respective distal end, wherein the proximal end of the first electrode is positioned closer to the distal end of the second electrode than to the proximal end of the second electrode, wherein the proximal end of the second electrode is positioned closer to the distal end of the first electrode than to the proximal end of the first electrode; implanting the implantable substrate inside the patient; and applying electrical energy across the first and second electrodes to cause electrical current to flow simultaneously through the first and second electrodes preferentially from the proximal end of one electrode to the distal end of the other electrode. - View Dependent Claims (2, 3, 4, 5)
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6. An electrode assembly comprising:
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a generally flexible base having a first surface region and an axially spaced-apart second surface region; and at least three generally parallel elongate electrode structures secured and axially aligned over a surface of the base, each electrode structure having a proximal end and a distal end; wherein an outer pair of the electrode structures is electrically isolated from an inner electrode structure; wherein the proximal ends of the outer pair of electrode structures and the distal end of the inner electrode structure are disposed on the first surface region of the vase, and the distal ends of the outer electrode structures and the proximal end of the inner electrode structure are disposed on the second surface region of the base that is separate from the surface region. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. An electrode assembly adapted for implantation at an electrotherapy site in a patient, the electrode assembly comprising:
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a substrate; and at least three elongate electrodes secured to the substrate and electrically coupled to the electrotherapy site, each electrode having a proximal end connected to an electrically conductive lead and a distal end not connected to a lead or other electrode; wherein a generally uniform charge density is generated between an outer pair of the at least three electrodes and an inner electrode when an electrical current is applied to the electrodes. - View Dependent Claims (14, 15, 16, 17)
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18. An electrotherapy arrangement implanted at an electrotherapy site, the electrotherapy arrangement comprising:
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an electrode assembly, including; a substrate; and at least three adjacent elongate electrodes secured to the substrate and electrically coupled to the electrotherapy site, wherein each electrode is situated such that proximal and distal ends of each successive adjacent electrode'"'"'s ends are longitudinally opposing; and an electrotherapy signal generator circuit electrically coupled with the at least three electrodes and applying electrotherapy signaling to the electrotherapy site via the at least two electrodes; wherein the electrotherapy signaling generates an electric field through the electrotherapy site that is generally uniformly distributed along a longitudinal reference axis located in the electrotherapy site between an anode and a cathode of the at least three electrodes. - View Dependent Claims (20, 21)
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19. The electrotherapy arrangement of clam 18, wherein the electrotherapy signaling is adapted to stimulate baroreceptors.
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22. A method of generating an electric field inside a patient, the method comprising:
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providing at least a first electrode, a second electrode and a third electrode on a common implantable substrate, wherein each of the first, second and third electrodes has a respective proximal end and a respective distal end, wherein the proximal end of the first electrode is positioned closer to the distal end of the second electrode than to the distal end of the second electrode than to the proximal end of the second electrode, wherein the proximal end of the second electrode is positioned closer to the distal end of the first electrode than to the proximal end of the first electrode; implanting the implantable substrate inside the patient; and applying electrical energy across the first, second and third electrodes to cause electrical current to flow simultaneously through the first and second electrodes preferentially from the proximal end of one electrode to the distal end of the other electrode and across the third electrode preferentially from the proximal end of the third electrode to the distal end of the second electrode and from the distal end of the third electrode to the proximal end of the second electrode. - View Dependent Claims (23, 24, 25)
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26. An electrode assembly comprising:
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a first electrode having a first arcuate shape; and a second electrode having a second arcuate shape; and wherein the second electrode at least partially encircles the first electrode. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of generating an electric field inside a patient, the method comprising:
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electrically contacting a target tissue of the patient with a first electrode; electrically contacting the target tissue along an arcuate path of a second electrode that least partially encircles the first electrode; and applying electrical energy across the first and second electrodes to establish a generally uniform current density between the first and second electrodes. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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Specification