Capacitive filtered feedthrough array for implantable medical device
First Claim
1. A filtered feedthrough assembly comprising:
- a feedthrough comprising at least one feedthrough conductive pathway extending between a first feedthrough side and a second feedthrough side;
a capacitive filter array comprising at least one filter array conductive pathway extending between a first filter array side and a second filter array side, and at least one capacitor filter of the capacitor filter array substantially surrounding at least a portion of the at least one filter array conductive pathway, wherein the at least one filter array conductive pathway comprises a termination plug including an electrically conductive material substantially filling a portion of a via extending between the first filter array side and the second filter array side; and
at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway, wherein the at least one electrically conductive member comprises an alignment portion configured to mate with the via so as to align the at least one feedthrough conductive pathway with the at least one filter array conductive pathway.
1 Assignment
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Accused Products
Abstract
In one example, a filtered feedthrough assembly for a medical device, such as, e.g., an implantable medical device, is described. The filtered feedthrough assembly may comprise a feedthrough comprising at least one feedthrough conductive pathway extending between a first feedthrough side and a second feedthrough side; a capacitive filter array comprising at least one filter array conductive pathway extending between a first filter array side and a second filter array side, and at least one capacitor filter substantially surrounding at least a portion the at least one filter array conductive pathway; and at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway.
69 Citations
39 Claims
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1. A filtered feedthrough assembly comprising:
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a feedthrough comprising at least one feedthrough conductive pathway extending between a first feedthrough side and a second feedthrough side; a capacitive filter array comprising at least one filter array conductive pathway extending between a first filter array side and a second filter array side, and at least one capacitor filter of the capacitor filter array substantially surrounding at least a portion of the at least one filter array conductive pathway, wherein the at least one filter array conductive pathway comprises a termination plug including an electrically conductive material substantially filling a portion of a via extending between the first filter array side and the second filter array side; and at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway, wherein the at least one electrically conductive member comprises an alignment portion configured to mate with the via so as to align the at least one feedthrough conductive pathway with the at least one filter array conductive pathway. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An implantable medical device comprising:
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a housing; electronics enclosed within the housing; a ferrule mounted within an opening in the housing, the ferrule comprising a ferrule opening extending between an internally-facing ferrule side and an externally-facing ferrule side; a feedthrough mounted in the ferrule opening, wherein a hermetic seal is formed between the feedthrough and the ferrule, the feedthrough comprising at least one feedthrough conductive pathway extending through the feedthrough between an internally-facing feedthrough side and an externally-facing feedthrough side; a capacitive filter array comprising at least one filter array conductive pathway extending between an internally-facing filter array side and an externally-facing filter array side, and at least one capacitor filter of the capacitive filter array substantially surrounding at least a portion of the at least one filter array conductive pathway; at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway, wherein the at least one electrically conductive member comprises a coiled spring formed of an electrically conductive material.
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13. A filtered feedthrough assembly comprising:
a feedthrough comprising at least one feedthrough conductive pathway extending between a first feedthrough side and a second feedthrough side;
a capacitive filter array comprising at least one filter array conductive pathway extending between a first filter array side and a second filter array side, and at least one capacitor filter of the capacitor filter array substantially surrounding at least a portion of the at least one filter array conductive pathway; and
at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway, wherein the at least one electrically conductive member comprises a coiled spring formed of an electrically conductive material.
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14. An implantable medical device comprising:
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a housing; electronics enclosed within the housing; a ferrule mounted within an opening in the housing, the ferrule comprising a ferrule opening extending between an internally-facing ferrule side and an externally-facing ferrule side; a feedthrough mounted in the ferrule opening, wherein a hermetic seal is formed between the feedthrough and the ferrule, the feedthrough comprising at least one feedthrough conductive pathway extending through the feedthrough between an internally-facing feedthrough side and an externally-facing feedthrough side; a capacitive filter array comprising at least one filter array conductive pathway extending between an internally-facing filter array side and an externally-facing filter array side, at least one capacitor filter of the capacitive filter array substantially surrounding at least a portion of the at least one filter array conductive pathway, wherein the at least one filter array conductive pathway comprises a termination plug including an electrically conductive material substantially filling a portion of a via extending between the internally-facing filter array side and the externally-facing filter array side; at least one electrically conductive member electrically coupling the at least one filter array conductive pathway to the at least one feedthrough conductive pathway, wherein the at least one electrically conductive member comprises an alignment portion configured to mate with the via so as to align the at least one feedthrough conductive pathway with the at least one filter array conductive pathway. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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- 27. A method comprising electrically coupling at least one feedthrough conductive pathway of a feedthrough to at least one filter array conductive pathway of a capacitive filter array via at least one electrically conductive member, wherein the at least one feedthrough conductive pathway extends between a first feedthrough side and a second feedthrough side, and wherein the at least one filter array conductive pathway extends between a first filter array side and a second filter array side, and the capacitive filter array comprises at least one capacitor filter substantially surrounding at least a portion of the at least one filter array conductive pathway, wherein the at least one electrically conductive member comprises a coiled spring formed of an electrically conductive material.
Specification