Implantable lead for septal placement of pacing electrodes
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United States of America Patent
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Jun 24, 2008
Grant Date -
Jun 24, 2004
app pub date -
Dec 19, 2002
filing date -
Dec 19, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A pacing lead having a lead body configured into a pre-formed J-shape. The lead includes a pacing electrode coupled to an intermediate portion of the lead body and located distally from a bottom of the pre-formed J-shape. The lead is adapted to be placed within a heart in a J-shaped configuration with the electrode positioned proximate a ventricular septum or a right ventricular outflow tract such that at least a portion of the distal end of the lead body is located within a pulmonary artery. In one embodiment, the distal end of the lead is configured to be passively fixated within the pulmonary artery. Another aspect includes a lead body wherein a section of the intermediate portion of the lead body is less stiff than adjacent sections of the lead body. The lead includes a pacing electrode coupled to the intermediate portion of the lead body and located distally from the less stiff section. The lead is adapted to be placed within a heart in a J-shaped configuration with the less stiff section near a bottom of the J-shape such that the electrode is positioned proximate a ventricular septum or a right ventricular outflow tract and at least a portion of the distal end of the lead body is fixated within a pulmonary artery.
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