Active fixation implantable medical lead configured to indicate via fluoroscopy embedment of helical anchor in cardiac tissue
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United States of America Patent
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Jan 31, 2012
Grant Date -
Aug 5, 2010
app pub date -
Feb 4, 2009
filing date -
Feb 4, 2009
priority date (Note) -
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Abstract
An implantable medical lead for active fixation to cardiac tissue is disclosed herein. The lead may include a lead body distal end, a tissue fixation helical anchor and a structure. The tissue fixation helical anchor may be coupled to the lead body distal end and include a distal tip. The structure may be coupled to the lead body distal end and include a structure distal end including a first radiopaque marker. The structure may be biased to project the structure distal end near the distal tip. When the tissue fixation helical anchor is progressively embedded in the cardiac tissue, the cardiac tissue progressively displaces the structure distal end proximally.
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