Methods, tools, and assemblies for implantation of medical leads having distal tip anchors
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United States of America Patent
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Oct 2, 2018
Grant Date -
Apr 25, 2013
app pub date -
Oct 23, 2012
filing date -
Oct 25, 2011
priority date (Note) -
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Abstract
Medical leads include distal tip anchors that are retained by fixation mechanisms of implantation tools. The fixation mechanism may include a fixed body that has features retaining the distal tip anchor. The fixation mechanism may include a movable body that can apply tension to the distal tip anchor to force the distal tip anchor to be released from the features of the fixed body. The movable body may include an axial portion that is received by an axial hole of the fixed body to allow for axial movement of the movable body to release the distal tip anchor. The fixation mechanism may instead include an elongated flexible body that passes through the distal tip anchor and is attached to the fixed body. Tension applied to the elongated body creates a releasing motion of the distal tip anchor to free the distal tip anchor from the features of the fixed body.
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