Adjustable cylindrical pelvic cavity dilator

The utility model relates to an adjustable cylindrical pelvic cavity distraction device. The pelvic cavity distraction device comprises a handle and a vagina posterior wall drag hook integrally connected with the handle. The vagina posterior wall drag hook is provided with a drag hook adjusting structure used for adjusting the length of the vagina posterior wall drag hook. A dilator body for dilating a pelvic cavity is arranged at one end of the vagina posterior wall drag hook; the dilator body is a cylindrical dilator, and one end of the dilator body is provided with a cylindrical adjusting structure used for adjusting the size of the dilator body. Compared with the prior art, the utility model has the advantages of simple structure, suitability for use under various conditions, improved operation safety and feasibility, and the like. 本实用新型涉及一种可调节圆筒盆腔撑开器，所述的盆腔撑开器包括手柄以及和手柄连接一体的阴道后壁拉钩；所述的阴道后壁拉钩上设置有用于调节阴道后壁拉钩长短的拉钩调节结构；所述的阴道后壁拉钩一端设有用于撑开盆腔的撑开器本体；所述的撑开器本体为圆筒式的撑开器，一端设有用于调节撑开器本体大小的圆筒调节结构。与现有技术相比，本实用新型具有结构简单、适用于多种情况下