Terumo Cardiovascular Systems Corporation

Safi Siddiqui

Randal James Kadykowski

Tatsunori Fujii

Dissector cone for endoscope

An endoscopic vessel harvester cuts and cauterizes side branches from a target vessel using a cutter member that extends at a distal end of an insertion member. The cutter member has a plate defining a slit for receiving a side branch. A cutting electrode is disposed at a base of the slit and a pair of grounding electrodes are each mounted to an outer surface of the plate on opposite sides of the slit. Each grounding electrode has a raised longitudinal ridge adjoining a portion of the slit including the base of the slit and has a spot cautery wing extending laterally away from the slit with a surface configured to engage a surface of the tunnel. The longitudinal ridges each have an upright jamb surface configured to contact the side branch remotely from the cutting electrode so that it is unnecessary to make a grounding contact on the tunnel.

Growing community of inventors

Chestertown, MD, United States of America

Safi Siddiqui