Bipolar cardiac lead with drug eluting device

Details Bipolar cardiac lead with drug eluting device Bipolar cardiac lead with drug eluting device

1992-07-13

1993-06-08

Howell, Kyle L.

Surgery

Truss

Pad

128642, 128790, 128419P, A61N 105

Patent

active

052170284

ABSTRACT:
A bi-polar cardiac lead for transmitting electric current to the heart and/or sensing and monitoring electrical activity of the heart has elongated electrical conductors connected to a head. The lead has a first electrode mounted on the head having a helical wire connected to one conductor adapted to be turned into heart tissue. The helical wire is coated with platinum black particles which decrease electrical losses at the electrode-tissue interface. A second annular electrode having an irregular outer surface configuration is mounted on the head around the first electrode. A plug impregnated with a drug is located within a recess in the head adjacent the electrodes. The drug migrates from the plug to the stimulation site.

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