Patent ID: 8097010
Filing Date: 2012-01-17
Classification: A61B

Abstract:
1. An endoscopic blood vessel harvesting method comprising: forming a cut skin portion in a part of a skin to expose a harvesting object blood vessel; inserting a dissector including an endoscope inserted therein into a body through the cut skin portion to provide a space in the body, under endoscopic observation; extracting the dissector from the body and inserting a treatment sheath into the body through the cut skin portion, by one hand grasping a proximal end portion of the treatment sheath, the treatment sheath including cutting and holding members and an endoscope interposed between the cutting and holding members, wherein the cutting member and holding member respectively have operation portions which are projected from a peripheral surface of the proximal end portion of the treatment sheath in different directions relative to each other, the operation portions being movable along an axis of the treatment sheath and being controllable by different fingers of said one hand to move the cutting and holding members; performing holding and cutting of blood vessels by operating the cutting and holding members solely with the different fingers of said one hand while observing said holding and cutting steps with said endoscope; and harvesting a part of a blood vessel from a connective tissue, along the harvesting object blood vessel, by operation of said one hand under the endoscopic observation.