| 摘要 |
PROBLEM TO BE SOLVED: To provide the insertion instrument of a medical treatment instrument, which reasonably covers a wide operative field in a body cavity from an insertion port, where a treatment instrument is set at first, in the insertion instrument by which a plurality of treatment instrument are applied to a single incision. SOLUTION: The insertion instrument of the medical treatment instrument includes: an incising means provided with a flexible body cavity side ring 1 which is inserted from the incision and positioned in the body cavity, a body surface side ring 2 which is arranged opposite to the body cavity side ring 1 and positioned on the body surface side, and a cylindrical sheet 3 whose both ends are connected to the respective body cavity side ring 1 and body surface side ring 2 and positioned from the body cavity to the body surface; and a plate member 4 arranged in the upper part of the incising means, having a plurality of ports 42 to be the insertion ports of the medical treatment instrument and an endoscope from the external part of the body to the body cavity, and formed to have a dome shape curved surface, etc. The plate member 4 is turnable in the circumferential direction with respect to the incising means and also fixable at a desired position. COPYRIGHT: (C)2011,JPO&INPIT |
