Implantable medical device including eddy current reducing battery
First Claim
1. An implantable medical device battery comprising:
- a first electrode; and
a second electrode separate from the first electrode, the second electrode including;
a first layer formed of a first material and having a first surface and a secondsurface, the first layer including a first section and a second sectionhaving a greater resistance than the first section and extending from the first surfacetoward the second surface, the second section extending from a perimeter of the second electrode to an interior of the second electrode, the second section including at least one slot extending through the first layer, wherein the second section is configured to at least partially segment a surface area of the second electrode to reduce a radial current loop size in the second electrode; and
a second layer formed of a second material different from the first material and having a third surface and a forth surface, the third surface abutting the second surface of the first layer, the second layer including at least one tab extending from the third surface of the second layer and positioned within the at least one slot of the first layer, the at least one tab formed from a third material different from the first material;
wherein the second material includes a conductive material and the third material includes a polymeric material.
1 Assignment
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Accused Products
Abstract
An implantable device, such as a pacer, defibrillator, or other cardiac rhythm management device, can include one or more MRI Safe components. In an example, the implantable device includes a battery including a first electrode and a second electrode separate from the first electrode. The second electrode includes a first surface and a second surface. The second electrode includes a slot through the second electrode from the first surface toward the second surface. The slot extends from a perimeter of the second electrode to an interior of the second electrode. The slot is configured to at least partially segment a surface area of the second electrode to reduce a radial current loop size in the second electrode.
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Citations
22 Claims
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1. An implantable medical device battery comprising:
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a first electrode; and a second electrode separate from the first electrode, the second electrode including; a first layer formed of a first material and having a first surface and a second surface, the first layer including a first section and a second section having a greater resistance than the first section and extending from the first surface toward the second surface, the second section extending from a perimeter of the second electrode to an interior of the second electrode, the second section including at least one slot extending through the first layer, wherein the second section is configured to at least partially segment a surface area of the second electrode to reduce a radial current loop size in the second electrode; and a second layer formed of a second material different from the first material and having a third surface and a forth surface, the third surface abutting the second surface of the first layer, the second layer including at least one tab extending from the third surface of the second layer and positioned within the at least one slot of the first layer, the at least one tab formed from a third material different from the first material; wherein the second material includes a conductive material and the third material includes a polymeric material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 21, 22)
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14. A method of making an implantable medical device battery comprising:
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stacking a first electrode with a second electrode, wherein the second electrode is separate from the first electrode, the second electrode including; a first layer formed of a first material and having a first surface and a second surface, the first layer including a first section and a second section having a greater resistance section than the first section and extending from the first surface toward the second surface, the second section extending from a perimeter of the second electrode to an interior of the second electrode, the second section including at least one slot extending through the first layer, wherein the second section is configured to at least partially segment a surface area of the second electrode to reduce a radial current loop size in the second electrode; and a second layer formed of a second material different from the first material and having a third surface and a fourth surface, the third surface abutting the second surface of the first layer, the second layer including at least one tab extending from the third at least one tab formed from a third material different from the first material; wherein the second material includes a conductive material and the third material includes a polymeric material. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification