Expandable assembly for cardiac lead fixation
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United States of America Patent
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Feb 28, 2012
Grant Date -
Dec 24, 2009
app pub date -
Jun 15, 2009
filing date -
Jun 23, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A cardiac lead includes a lead body that defines a passage, a conductive element that extends through the passage, and a fixation assembly. The fixation assembly includes a threaded member threadably engaged with the conductive element such that rotation of the threaded member causes the threaded member to translate longitudinally relative to the conductive element. A fixation element has a first end coupled to the threaded member and a second end coupled to a fixed location. A resilient membrane extends over the fixation element such that rotation of the threaded member affects the resilient membrane radially with respect to the conductive element.
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