Lead interconnect using a captured fixation member
AssigneeCardiac Pacemakers, Inc.
InventorPaul E. Zarembo
Life of this patent
Estimating the term…
Abstract
Methods and devices for interconnecting a medical lead conductor member and an electrode are provided. One device includes a medical lead having a shaft. The shaft has a conductor member extending therethrough and a ring electrode disposed along the shaft. The ring electrode has a fixation device disposed within the ring electrode, and the fixation device forms an interference fit with the conductor member, forming an electrical contact therebetween. Also provided are methods for forming an electrical interconnect between a ring electrode and a conductor member.
Claims20
A medical lead comprising:
- an elongate lead body including a conductor extending from a proximal portion of the lead body to a distal portion of the lead body;
- a fixation member;
- and
- an electrode disposed along the conductor and including an outer electrically active surface, the electrode defining an inner cavity with the fixation member disposed therein;
- and
- wherein the fixation member is captured within the cavity and the fixation member exerts a compressive force on the conductor, mechanically and electrically connecting the conductor to the fixation member and the electrode.
A medical lead comprising:
- an elongate shaft including a conductor extending from a proximal portion of the shaft to a distal portion of the shaft;
- and
- an electrode disposed along the shaft, the electrode including a ring member and a fixation member captured within the ring member;
- wherein the fixation member exerts a compressive force on the conductor, thereby forming an interference fit and an electrical connection between the fixation member and conductor member.
A method of making a medical lead comprising:
- providing a conductor;
- providing an electrode having a ring member and a fixation member disposed within the ring member, the fixation member sized and configured to form an interference fit with the conductor;
- disposing the electrode over a portion of the conductor, forming an interference fit between the fixation member and the conductor;
- and
- disposing an insulative material over the conductor distal and proximal of the electrode.
Dependencies are inferred from the claim text.