Radiopaque marking of lead electrode zone in a continuous conductor construction
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United States of America Patent
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-
Apr 12, 2011
Grant Date -
Dec 20, 2007
app pub date -
Aug 29, 2007
filing date -
Oct 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cardiac transvenous defibrillation lead has a continuous coil conductor within a layer of insulation. A portion of the coil conductor is exposed as a defibrillation electrode. In order to enhance fluoroscopic visualization of the exposed electrode during implant, the end of the exposed electrode is marked with a radiopaque element. The element may be in the form of an adhesive filled with radiopaque material that is used to backfill under the layer of insulation. Alternatively, a tube made of radiopaque material may be installed between the layer of insulation and the coil conductor.
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