INSERTION AID FOR TREATMENT OF LARGE INTESTINE WHOLE LAYER RESECTION, AND MEDICAL INSTRUMENT SYSTEM THEREOF

摘要

PROBLEM TO BE SOLVED: To provide an insertion aid for treatment of the large intestine whole layer resection to hardly narrower the inner lumen of the large intestine after the treatment of the large intestine whole layer resection, and a medical instrument system thereof. SOLUTION: The insertion aid 3 for treatment of the large intestine whole layer resection raises an organic tissue to be treated to an operation space 7 through a treatment side hole 6, and resects a region of the organic tissue above the ligated region of the organic tissue by a resection snare unit 11 after ligating the root of the raised organic tissue to be ligated by a ligator 16. The shape of the treatment side hole 6 of a sheath part 5 of the treatment insertion aid 3 is set so that the length in the direction orthogonally crossing the axial direction of the sheath part 5 is longer than the length in the axial direction of the sheath part 5. COPYRIGHT: (C)2005,JPO&NCIPI