Interconnections of implantable lead conductors and electrodes and reinforcement therefor
First Claim
1. An implantable lead comprising:
- a lead body extending from a lead proximal end portion to a lead distal end portion and having a lead intermediate portion therebetween, the lead body including a longitudinally extending internal lumen;
a conductive linking member having a base and a projection laterally extending from the base, the base disposed at least partially within the lumen and the projection partially extending through an aperture in a lumen wall;
a conductor received in and extending along the lumen, a portion of the conductor disposed adjacent to the base of the linking member and electrically coupled thereto; and
a tubular electrode co-axial with and overlying portions of the lead body, the tubular electrode electrically coupled with the conductor, in part, via the projection of the linking member extending through the lumen wall.
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Abstract
An implantable lead comprises a lead body extending from a lead proximal end portion to a lead distal end portion. The lead body includes one or more longitudinally extending lumens. A conductor is received in, and extends along, a lumen. In varying examples, the implantable lead further comprises a tubular electrode co-axial with, and overlying portions of, the lead body. In one example, a lumen wall is sized and shaped to urge an electrically conductive interposer coupled with the conductor toward an inner surface of the electrode. In another example, a ring member is disposed within a lumen and the conductor is drawn and coupled thereto. In yet another example, an electrically conductive connector couples a first and a second conductor via grooves or threads. In a further example, an axial support member couples a distal end electrode and the lead body. Methods associated with the foregoing are also discussed.
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Citations
22 Claims
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1. An implantable lead comprising:
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a lead body extending from a lead proximal end portion to a lead distal end portion and having a lead intermediate portion therebetween, the lead body including a longitudinally extending internal lumen; a conductive linking member having a base and a projection laterally extending from the base, the base disposed at least partially within the lumen and the projection partially extending through an aperture in a lumen wall; a conductor received in and extending along the lumen, a portion of the conductor disposed adjacent to the base of the linking member and electrically coupled thereto; and a tubular electrode co-axial with and overlying portions of the lead body, the tubular electrode electrically coupled with the conductor, in part, via the projection of the linking member extending through the lumen wall. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An implantable lead comprising:
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a lead body extending from a lead proximal end portion to a lead distal end portion and having a lead intermediate portion therebetween, the lead body including a longitudinally extending internal lumen; a conductive ring member having a base and a projection extending laterally outward from the base, the projection extending partially through an aperture in a lumen wall; a conductor received in and extending along the lumen, a portion of the conductor disposed adjacent to the base of the ring member and electrically coupled thereto; and a tubular electrode co-axial with the lead body, the tubular electrode electrically coupled with the conductor via the ring member. - View Dependent Claims (14, 15)
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16. A method of manufacturing an implantable lead, the method comprising:
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forming a lead body extending from a lead proximal end portion to a lead distal end portion and having a lead intermediate portion therebetween, including forming a longitudinally extending lumen within the lead body; disposing a base of a conductive linking member within the lumen and inserting a projection of the linking member through an aperture in a lumen wall; drawing a conductor into and through the lumen, including disposing a portion of the conductor adjacent to a base of the linking member; coupling the conductor to the base; and overlying portions of the lead body with a tubular electrode, the tubular electrode co-axial with the lead body and electrically coupled with the conductor. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification