Electrical leads for medical use
AssigneeCathRx Ltd
InventorsNeil L. Anderson, Norman Booth, Evan K. Chong
Life of this patent
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Abstract
A process for manufacturing an electrical lead having one or more electrodes includes providing an elongate member having at least one polymeric region and further having at least one electrical conductor that extends along at least a part of a length of the elongate member and that is contained in a wall of the elongate member. A length of the at least one electrical conductor is accessed at the at least one polymeric region. An electrically conductive adhesive is applied to the length of the at least one electrical conductor that has been accessed.
Claims9
A medical-use electrical lead, including:
- a tubular elongate member having a proximal end and a distal end comprising an open distalmost tip, at least one helically wound electrical conductor contained in the tubular elongate member and extending from the proximal end toward the distal end of the elongate member, the at least one helically wound electrical conductor terminating in electrical connection with a respective electrode of a plurality of electrodes each comprising a layer of electrically conductive ink on conductive adhesive materials filled in an opening of the tubular elongate member, wherein the respective electrode is located externally of the elongate member flush with the open distalmost tip;
- and
- a non-conductive termination having a first layer and a second layer, wherein the first layer of the non-conductive termination is arranged immediately adjacent to a distalmost electrode of the respective electrodes, the first layer secured to and sealing the open distalmost tip of the tubular elongate member, and wherein the second layer of the non-conductive termination is located distally on the first layer and protrudes distally of the first layer to form a desired shaped tip, a layer of conductive ink printed on the desired shaped tip and a continuous layer of electrically conductive material extending over and engaging the layer of conductive ink on the distalmost electrode and the layer of conductive ink on the desired shaped tip by electroless bonding;
- wherein the non-conductive termination isolates an end of the at least one helically wound electrical conductor at the distal end.
Dependencies are inferred from the claim text.