| 摘要 |
<p>A medical treating instrument capable of switching simply between a sub-pneumoperitoneum treatment and an extra-peritoneal treatment, protecting an incised wound in the abdominal wall when a carcinoma location is to be removed, and posing no wound infection problem. The medical treating instrument comprises a cylindrical member provided in a proximal-end-side opening with a first fixing member and in a distal-end-side opening with a second fixing member, wherein at least two tension belts are attached to the second fixing member, and a fixing means for adjusting the lengths of tension belts to position the first fixing member is provided on the first fixing member.</p> |
