Lead for an active implantable medical device with a chip for electrode multiplexing
First Claim
1. A lead for an active implantable medical device, comprising:
- an elongated flexible sheath having a central lumen and at least one conductive connection housed in the central lumen of the sheath;
wherein the elongated flexible sheath and the at least one conductive connection are separated into two or more segments by at least one rigid supporting tube interposed in the sheath, the two or more segments comprising a first segment and a second segment, the supporting tube comprising;
a central region and two end regions, wherein the central region has a diameter that is greater than a diameter of the two end regions;
wherein the central region further comprises a cavity, the cavity forming a chip receptacle;
a chip held in the chip receptacle comprising a substrate and further comprising a first conductive contact pad and a second conductive contact pad;
an electrode positioned on the supporting tube such that the first conductive contact pad of the chip is connected to the electrode; and
a conductive strip formed on an outer surface of the supporting tube and extending in an axial direction along a length of the supporting tube, wherein the conductive strip comprises a central portion and two end portions, wherein the second conductive contact pad on the chip is connected to the conductive strip, and wherein a first of the two end portions of the conductive strip is electrically coupled to the first segment of the at least one conductive connection and a second of the two end portions of the conductive strip is electrically coupled to the second segment of the at least one conductive connection.
1 Assignment
0 Petitions
Accused Products
Abstract
A lead for active implantable medical devices comprising a chip, notably for electrode multiplexing. The lead includes an insulating supporting tube interposed in a flexible elongated tube, with a central bore coaxial with the lumen of the lead. The supporting tube comprises on its surface at least one crossing conductive strip extending in the axial direction. A chip on a flexible substrate is disposed with a bent or curved conformation in a receptacle of the supporting tube isolated from the conductive strip. An electrode, e.g., for cardiac sensing/pacing, carried by the supporting tube is electrically connected to an outer conductive pad of the chip. The conductive strip is connected (i) at each end, face to face to a conductive connection, housed in the sheath, and (ii) in a central region, to an inner conductive pad of the chip.
20 Citations
20 Claims
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1. A lead for an active implantable medical device, comprising:
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an elongated flexible sheath having a central lumen and at least one conductive connection housed in the central lumen of the sheath; wherein the elongated flexible sheath and the at least one conductive connection are separated into two or more segments by at least one rigid supporting tube interposed in the sheath, the two or more segments comprising a first segment and a second segment, the supporting tube comprising; a central region and two end regions, wherein the central region has a diameter that is greater than a diameter of the two end regions; wherein the central region further comprises a cavity, the cavity forming a chip receptacle; a chip held in the chip receptacle comprising a substrate and further comprising a first conductive contact pad and a second conductive contact pad; an electrode positioned on the supporting tube such that the first conductive contact pad of the chip is connected to the electrode; and a conductive strip formed on an outer surface of the supporting tube and extending in an axial direction along a length of the supporting tube, wherein the conductive strip comprises a central portion and two end portions, wherein the second conductive contact pad on the chip is connected to the conductive strip, and wherein a first of the two end portions of the conductive strip is electrically coupled to the first segment of the at least one conductive connection and a second of the two end portions of the conductive strip is electrically coupled to the second segment of the at least one conductive connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A supporting tube of a lead for an active implantable medical device, comprising:
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a conductive strip disposed on an outer surface of the supporting tube and extending in an axial direction along a length of the supporting tube and including a central portion and two end portions, wherein a first of the two end portions of the conductive strip is configured to be electrically coupled to a first segment of an at least one conductive connection and a second of the two end portions is configured to be electrically coupled to a second segment of the at least one conductive connection; and a central region and two end regions, the central region extending from the outer surface of the supporting tube such that the central region has a diameter greater than the two end regions and defining a cavity, the cavity forming a chip receptacle structured to hold a chip;
wherein the chip includes an interior contact pad and an exterior contact pad, the conductive strip configured to contact the interior contact pad of the chip. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification