Single pass A-V lead with active fixation device
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United States of America Patent
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-
Apr 25, 2000
Grant Date -
N/A
app pub date -
Mar 13, 1998
filing date -
Mar 13, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An implantable pacing lead system for pacing a patient's heart, including a delivery catheter and a lead delivered by the delivery catheter. The lead takes the form of a single non-diverging filament having a proximal end and a distal end and carries an electrode mounted to a distal portion of the lead body. An active fixation device is mounted fixedly to, and extends laterally from, the lead body proximal to and longitudinally spaced from the electrode. During advancement of the lead through the vasculature the active fixation device is located within the delivery catheter. At the point of desired location of the active fixation device, it is advanced out of the delivery catheter and engaged with heart tissue. The lead body has greater torsional rigidity proximal to the active fixation device than distal to the active fixation device.
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