Device and method for internal ligation of tubular structures
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United States of America Patent
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May 18, 2004
Grant Date -
Aug 21, 2003
app pub date -
Feb 20, 2002
filing date -
Feb 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A surgical device for performing internal ligation of a fallopian tube or other tubular anatomical structure, by application of one or more ligating bands to a folded portion of the wall of the tubular structure. A method of using the device is also disclosed. The inventive method and device may be used for sterilization to prevent undesired pregnancies, or for other medical applications. One embodiment of the device includes an elongated tubular element that is inserted into the fallopian tube, a grasper that extends out of the tubular element, grasps the interior of the fallopian tube and retracts into the tubular element in a folded bundle of the fallopian tube tissue; and a pusher balloon for pushing a ligating band from the tip of the tubular element onto the tissue bundle. A fold assist mechanism may be included to help evert a section of a fallopian, or other, tube.
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