Surgery – Instruments – Electrical application
Reexamination Certificate
2004-03-29
2010-11-30
Johnson, III, Henry M (Department: 3769)
Surgery
Instruments
Electrical application
C606S032000, C606S041000
Reexamination Certificate
active
07842035
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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Office Ac
Bowman Brett S.
Carr-Brendel Victoria E.
Harrington Douglas C.
Cytyc Corporation
Johnson, III Henry M
Roane Aaron
Vivenzio Marc A.
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