High hanging low cutting operation assisted retractor

CN224403693UActive Publication Date: 2026-06-26XIYUAN HOSPITAL OF CHINA ACAD OF CHINESE MEDICAL SCI
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIYUAN HOSPITAL OF CHINA ACAD OF CHINESE MEDICAL SCI
Filing Date
2025-03-19
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing surgical instruments are insufficient to effectively expand the surgical field when treating anorectal diseases such as hemorrhoids, leading to inconvenience in the operation.

Method used

A high-suspension, low-cut surgical aid retractor is designed, comprising a hand-held part, an expansion part, and a pressing part. The expansion part is a gradually widening arc-shaped plate structure that can be inserted into the anal canal to expand it. The pressing part stably presses the tissue below the surgical position. It is equipped with a dirt collection component and a reflective adjustment component to improve the ease of operation.

Benefits of technology

It effectively exposes the surgical field, allows for flexible and convenient operation, reduces damage to tissues, improves surgical clarity and safety, and enhances the flexibility and convenience of the procedure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224403693U_ABST
    Figure CN224403693U_ABST
Patent Text Reader

Abstract

The application provides a high-suspension low-cut operation auxiliary drag hook. The drag hook comprises a hand holding part, an expansion part and a pressing part connected in sequence, the expansion part is configured as an arc-shaped plate body structure gradually widened along a height direction from bottom to top, the expansion part comprises a lower arc end at a lower end and an upper arc end at an upper end, the lower arc end has the minimum curvature radius and the shortest arc length, the upper arc end has the maximum curvature radius and the longest arc length, the hand holding part is connected to the upper arc end and held by a surgical operator, and the pressing part is connected to the lower arc end and used for pressing tissues below a surgical site, and the expansion part is used for expanding an anal canal. The drag hook can effectively expose a surgical visual field and is convenient to use.
Need to check novelty before this filing date? Find Prior Art