Occlusion devices and methods
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United States of America Patent
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May 27, 2014
Grant Date -
Jun 6, 2013
app pub date -
Nov 19, 2012
filing date -
Jun 7, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides intrafallopian devices and non-surgical methods for their placement to prevent conception. The efficacy of the device is enhanced by forming the structure at least in part from copper or copper alloy. The device is anchored within the fallopian tube by a lumen-traversing region of the resilient structure which has helical outer surface, together with a portion of the resilient structure which is biased to form a bent secondary shape, the secondary shape having a larger cross-section than the fallopian tube. The resilient structure is restrained in a straight configuration and transcervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilization is effected by passing a current through the resilient structure to the tubal walls.
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Family
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