A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/12 (2006.01) A61B 17/068 (2006.01) A61B 17/072 (2006.01) A61B 17/295 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2167344
An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between an electrode associated with a first pole of a bipolar energy source located on one interfacing surface off a first element, and a second interfacing surface of a second element. The first and second elements are used to engage and compress tissue between the first and second interfacing surfaces. A second electrode associated with a second pole is located one of the two interfacing surfaces. The first electrode is either recessed into the first tissue contacting surface and/or offset from the second electrode on the same or opposing surfaces. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.
Voegele James W.
Yates David C.
Ethicon Endo-Surgery Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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