Single pass lead and system with active and passive fixation elements
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United States of America Patent
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-
Oct 31, 2000
Grant Date -
N/A
app pub date -
Jul 22, 1998
filing date -
Jul 22, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A single pass endocardial lead is provided which is adapted for implantation on or about the heart and for connection to a system for monitoring or stimulating cardiac activity. The lead includes a main body which extends into two distal leg portions, each having at least two electrodes coupled therewith. The first leg is for positioning within the ventricle of the heart. The second leg is for positioning within the atrium of the heart. Both the first leg and the second leg are bipolar and are adapted for positioning and fixation to the heart wall. The first and second legs can be fixated to the heart wall using either passive or active fixation structures. A movement assembly for advancing a helix comprises an externally threaded collar which engages with an internally threaded housing or housing insert.
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