Apparatus and method for integrated vessel ligator and transector
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United States of America Patent
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Dec 13, 2011
Grant Date -
Sep 16, 2010
app pub date -
Mar 24, 2010
filing date -
Aug 12, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Surgical treatment of tissue includes electro cauterization of blood vessels interposed between spaced sets of electrodes of opposite polarity, and includes transection of such tissue by a cutter that is mounted between the spaced sets of electrodes for translational and lateral movement relative to the sets of electrodes. Orientations of the sets of electrodes within a range of angles about an elongated axis of a supporting body are controlled by manual movement of an actuator mounted near a proximal end of the body for movement through a smaller range of angles via linkage connecting the actuator to the electrodes. Tissue dissection with gas insufflation to form an anatomical space in tissue is facilitated by a fluid outlet port located near the tissue-dissecting tip at the distal end of the elongated body that delivers through the tissue-dissecting tip to the dissected tissue a fluid under pressure that is supplied along a lumen within the elongated body.
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