Dual ligating and dividing apparatus
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United States of America Patent
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Aug 9, 1994
Grant Date -
N/A
app pub date -
Feb 9, 1993
filing date -
Feb 9, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides an apparatus and method for tissue ligation and transection. In a preferred embodiment, the apparatus comprises a shaft with a slot at the distal end in which a tissue structure may be positioned. A suture is mounted about the periphery of the slot with a free end of the suture on a first side of the slot and a knotted loop on a second side of the slot. The free end of the suture is retrieved and threaded through knotted loop so as to form a ligature surrounding the tissue structure. The free end is drawn proximally to tighten the ligature, and the knotted loops are cinched tight to lock the ligature in position. A blade slidably mounted in the shaft may be advanced to transect the tissue structure adjacent or between ligatures. A sleeve for compressing tissue within the slot during ligation, as well as electrodes for cauterizing the tissue, are also disclosed.
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