Patent ID: 8585719

Claim:
An instrument for anorectal surgery, comprising a hollow main body, the main body includes a front end and a rear end, the rear end of the main body has a closed-ring cut section; the main body is configured for reaching an operating position through an anus; a suture junction integrated with the rear end of the main body and extending from the rear end of the main body; and an inserter guider integrated with the front end of the main body, and extending forward from the front end of the main body for guiding the instrument for anorectal surgery to the operating position; whereby the main body is pushable to an operating position by operating the suture junction and is fixable by suturing the suture junction on tissues; wherein the suture junction comprises a broad brim having a diameter greater than that of the main body, and the broad brim is backwardly divergent in shape, wherein two or three openings, which are always open during insertion, rotation and removal, are provided in a front wall of the closed-ring cut section of the main body, enabling tissues, which need to be cut, into a hollow interior of the main body through one of the openings; wherein the inserter guider comprises a cone-shaped body with a closed wall; and wherein the suture junction and the inserter guide are integrated with the main body.