Vaso-occlusive coil delivery system
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United States of America Patent
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Jun 19, 2012
Grant Date -
Apr 15, 2010
app pub date -
Oct 7, 2009
filing date -
Oct 13, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An occlusive coil delivery device includes an occlusive coil having a plurality of windings with the proximal end having a plurality of open pitched windings, and a delivery wire assembly having a proximal tubular portion and a distal coil portion with a lumen extending at least partially through the assembly, the assembly including a delivery wire forming a first conductive path extends through the lumen from a proximal end of the delivery wire assembly to a location distal with respect to the distal coil portion, the distal extension including a sacrificial detachment zone. The delivery wire assembly further includes a second conductive path formed by the proximal tubular portion and distal coil portion, with the delivery device further including a delivery wire adapter having a proximal end and a distal end, the distal end of the adapter comprising a plurality of fingers configured to interface between adjacent open pitched windings of the proximal end of the occlusive coil, with the proximal end of the delivery wire adapter secured to a distal portion of the delivery wire.
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