Field steerable electrical stimulation paddle, lead system, and medical device incorporating the same
First Claim
1. An implantable electrode paddle adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue, the electrode paddle comprising:
- a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, the housing having a longitudinal dimension that is greater than a lateral dimension of the housing;
an electrode array including a plurality of longitudinally spaced electrode groups with each separated by a portion of the walls of the housing with longitudinal spacing of the electrode groups being in a direction of the longitudinal dimension of the housing, each electrode group including at least two electrodes that are individually secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately laterally adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of at least one electrode group having an applied common electrical potential relative to an immediately laterally adjacent electrode of the at least one electrode group; and
a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal.
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Accused Products
Abstract
An implantable electrode paddle is adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue. The paddle includes a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, an electrode array including a plurality of electrode groups, each electrode group including at least two electrodes individually secured in a respective window and spaced between about 0.1 mm and about 10 mm apart, and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal. A lead assembly and an implantable medical device can include the paddle.
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Citations
25 Claims
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1. An implantable electrode paddle adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue, the electrode paddle comprising:
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a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, the housing having a longitudinal dimension that is greater than a lateral dimension of the housing; an electrode array including a plurality of longitudinally spaced electrode groups with each separated by a portion of the walls of the housing with longitudinal spacing of the electrode groups being in a direction of the longitudinal dimension of the housing, each electrode group including at least two electrodes that are individually secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately laterally adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of at least one electrode group having an applied common electrical potential relative to an immediately laterally adjacent electrode of the at least one electrode group; and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal. - View Dependent Claims (2, 3, 4, 5)
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6. An implantable lead system adapted to transmit an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue, the system comprising:
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a first lead body comprising at least one conductor; and an electrode paddle, comprising; a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, the housing having a longitudinal dimension that is greater than a lateral dimension of the housing; an electrode array including a plurality of longitudinally spaced electrode groups with longitudinal spacing of the electrode groups being in a direction of the longitudinal dimension of the housing, each electrode group including at least two electrodes individually that are secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately laterally adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of any one of the electrode groups having an applied common electrical potential relative to an immediately laterally adjacent electrode of the electrode group; and a plurality of wires, each of the wires being routed within the interior space and coupled to a respective electrode and to the first lead body. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. An implantable medical device assembly for generating an electrical field to stimulate selected body tissue, the device comprising:
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a controlling device having an electrical output for transmitting electrical signals; a first lead body comprising one or more electrical conductors, the first lead body having a first end and a second end, the first end being coupled to the electrical output; and an electrode paddle, comprising; a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, the housing having a longitudinal dimension that is greater than a lateral dimension of the housing; an electrode array including a plurality of longitudinally spaced electrode groups separated by a portion of the walls of the housing with longitudinal spacing of the electrode groups being in a direction of the longitudinal dimension of the housing, each electrode group including at least two electrodes that are individually secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of at least one electrode group having an applied common electrical potential relative to an immediately laterally adjacent electrode of the at least one electrode group; and a plurality of wires, each of the wires being routed within the interior space and coupled to a respective electrode and to the first lead body second end. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An implantable electrode paddle adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue, the electrode paddle comprising:
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a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue; an electrode array including a plurality of longitudinally spaced electrode groups with each separated by a portion of the walls of the housing, each electrode group including at least two electrodes that are individually secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately laterally adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of at least one electrode group having an applied common electrical potential relative to an immediately laterally adjacent electrode of the at least one electrode group, with at least one of the electrode groups including only a single laterally spaced row of the at least two electrodes; and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal.
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25. An implantable electrode paddle adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue, the electrode paddle comprising:
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a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue; an electrode array including a plurality of longitudinally spaced electrode groups with each separated by a portion of the walls of the housing, each electrode group including at least two electrodes that are individually secured in a respective window, that are immediately laterally adjacent, and that are laterally spaced from closest edge to closest edge by an amount that is less than the longitudinal spacing from closest edge to closest edge between the electrode groups that are immediately longitudinally adjacent, where the lateral spacing between the immediately laterally adjacent electrodes from closest edge to closest edge is between about 0.1 mm and less than 1 mm, and where the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a first electrode group of the plurality is the same as the lateral spacing from closest edge to closest edge between two immediately adjacent electrodes of a second electrode group of the plurality that is longitudinally spaced from the first electrode group, with at least one electrode of at least one electrode group having an applied common electrical potential relative to an immediately laterally adjacent electrode of the at least one electrode group, with at least one electrode group including at least one electrode that has a longitudinal dimension that is at least three times as large as a lateral dimension; and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal.
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Specification