Method and apparatus for tubal occlusion
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United States of America Patent
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-
Mar 30, 2004
Grant Date -
Aug 23, 2001
app pub date -
Mar 16, 2001
filing date -
Feb 1, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and devices for occlusion of the fallopian tubes of a woman. The method involves thermally damaging the lining of the utero-tubal junction with relatively low power, followed by placement of a reticulated foam plug. In one embodiment, vascularized tissue grows into the plug and prevents or discourages formation of scar tissue around the plug. Another embodiment with a relatively small foam pore size encourages formation of a vascularized capsule around the plug. The presence of this vascularized capsule limits the patient's foreign body response, so that the capsule does not constrict around the plug. Also presented is a catheter designed for wounding the epithelial layer of the utero-tubal junction, and a method of using the catheter to form a long yet shallow lesion in the utero-tubal junction.
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Family
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