Feedthrough assembly for an implantable device
First Claim
Patent Images
1. A feedthrough assembly comprising:
- a metallic ferrule including an outer perimeter and an inner perimeter, wherein a mounting section of the inner perimeter extends inward;
an insulator mounted within the ferrule;
a plurality of feedthrough wires mounted within and extending through the insulator; and
a ground wire attached to the ferrule, wherein the ground wire does not pass through or alongside the insulator, and wherein the ground wire is attached to the ferrule at the mounting section such that the ground wire is positioned among the plurality of feedthrough wires.
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Abstract
A feedthrough assembly includes a metallic ferrule, an insulator mounted within the ferrule, a plurality of feedthrough wires mounted within and extending through the insulator, and a ground wire directly attached to the ferrule, wherein the ground wire does not pass through or alongside the insulator.
22 Citations
19 Claims
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1. A feedthrough assembly comprising:
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a metallic ferrule including an outer perimeter and an inner perimeter, wherein a mounting section of the inner perimeter extends inward; an insulator mounted within the ferrule; a plurality of feedthrough wires mounted within and extending through the insulator; and a ground wire attached to the ferrule, wherein the ground wire does not pass through or alongside the insulator, and wherein the ground wire is attached to the ferrule at the mounting section such that the ground wire is positioned among the plurality of feedthrough wires. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An implantable device comprising:
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a housing; a header attached to the housing; a feedthrough assembly attached to the housing and being hermetically sealed, the feedthrough assembly including; a metallic ferrule including an outer perimeter and an inner perimeter, wherein a mounting section of the inner perimeter extending into a middle area of the ferrule; an insulator mounted within the ferrule; a plurality of feedthrough wires mounted within and extending through the insulator from an interior of the housing to an exterior of the housing; and a ground wire directly attached to the mounting section of the ferrule, wherein the ground wire does not pass through or alongside the insulator, wherein the ground wire is located on an interior side of the housing and is not exposed on an exterior side of the housing. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method comprising:
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mounting a insulator to a ferrule; mounting a plurality of feedthrough wires to holes with the insulator, each feedthrough wire extend through the insulator; and mounting a ground wire directly to the ferrule, wherein the ferrule includes a mounting section on an inner perimeter of the ferrule extending into a middle area of the ferrule, and wherein the ground wire is attached to the mounting section, and wherein the ground wire does not pass through or alongside the insulator. - View Dependent Claims (18, 19)
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Specification