Medical system including a novel bipolar pacing and sensing pair
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United States of America Patent
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Mar 13, 2007
Grant Date -
Nov 18, 2004
app pub date -
May 15, 2003
filing date -
May 15, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medical electrical lead includes a first low voltage electrode adapted for intimate contact with tissue at an implant site, in order to provide pacing stimulation, and a second low voltage electrode positioned in proximity to the first electrode, isolated from the first electrode and adapted to function in conjunction with the first electrode to provide bipolar sensing of near-field signals. A porous layer is formed over the second electrode; the porous layer allows conduction therethrough while preventing contact between the second electrode and tissue in proximity to the implant site.
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